{"product_id":"organic-plant-soap","title":"Organic Plant Soap | Potassium Soft Soap","description":"\u003c!-- Dr Forest — Bio-Plant Soap Concentrate Product Page --\u003e\n\u003c!-- Prefix: drf-bp- (bio plant) --\u003e\n\u003c!-- Pure CSS radio-input tabs. No JavaScript. Shopify-safe. --\u003e\n\u003cstyle\u003e\n  .drf-wrap *, .drf-wrap *::before, .drf-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }\n  .drf-wrap { font-family: 'Jost', sans-serif; font-weight: 400; color: #2c2c2c; font-size: 14px; line-height: 1.65; width: 100%; max-width: 100%; overflow: hidden; }\n  :root { --drf-grn: #1B3D2F; --drf-grn-light: #E8F0EB; --drf-grn-mid: #4a7a5e; --drf-grn-dark: #0f2a1e; --drf-gold: #C5A55A; --drf-gold-light: #FAF7F0; --drf-cream: #F5F2EC; --drf-border: #d4cfc5; --drf-muted: #666; }\n  .drf-wrap h2 { font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 1.9em; color: var(--drf-grn); line-height: 1.25; margin-bottom: 0.5em; }\n  .drf-wrap h3 { font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 1.35em; color: var(--drf-grn); margin: 1.4em 0 0.4em; }\n  .drf-wrap h4 { font-family: 'Jost', sans-serif; font-weight: 600; font-size: 0.85em; letter-spacing: 0.1em; text-transform: uppercase; color: var(--drf-muted); 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font-size: 1.3em; font-weight: 300; color: var(--drf-gold); width: 1.5em; height: 1.5em; border-radius: 50%; background: var(--drf-grn-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-left: 0.6em; }\n  .drf-faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; font-size: 0.92em; color: #555; line-height: 1.7; } .drf-faq-a \u003e div { padding: 0 0 1em; }\n  .drf-faq input:checked ~ .drf-faq-q::after { content: '−'; background: var(--drf-grn); color: #fff; } .drf-faq input:checked ~ .drf-faq-a { max-height: 600px; }\n  .drf-refs { font-size: 0.78em; color: #888; line-height: 1.5; margin-top: 1.5em; padding-top: 0.8em; border-top: 1px solid var(--drf-border); } .drf-refs ol { padding-left: 1.4em; margin: 0; } .drf-refs li { margin-bottom: 0.3em; }\n  .drf-sep { border: none; border-top: 2px solid var(--drf-gold); margin: 1.5em 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"drf-wrap\"\u003e\n\u003cdiv class=\"drf-tabs-wrap\"\u003e\n  \u003cinput type=\"radio\" name=\"drf-bp-tabset\" id=\"drf-bp-tab1\" checked\u003e\n  \u003cinput type=\"radio\" name=\"drf-bp-tabset\" id=\"drf-bp-tab2\"\u003e\n  \u003cinput type=\"radio\" name=\"drf-bp-tabset\" id=\"drf-bp-tab3\"\u003e\n  \u003cinput type=\"radio\" name=\"drf-bp-tabset\" id=\"drf-bp-tab4\"\u003e\n  \u003cdiv class=\"drf-tab-labels\"\u003e\n    \u003clabel for=\"drf-bp-tab1\"\u003eOverview\u003c\/label\u003e\n    \u003clabel for=\"drf-bp-tab2\"\u003eThe Oils\u003c\/label\u003e\n    \u003clabel for=\"drf-bp-tab3\"\u003eHow to Use\u003c\/label\u003e\n    \u003clabel for=\"drf-bp-tab4\"\u003eFAQ\u003c\/label\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"drf-panels\"\u003e\n\n  \u003cdiv class=\"drf-panel\" id=\"drf-bp-panel1\"\u003e\n    \u003ch2\u003eBio-plant soap concentrate — British rapeseed potassium soap for hygienic plant washing\u003c\/h2\u003e\n    \u003cdiv class=\"drf-badge-row\"\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003eBritish Rapeseed Oil\u003c\/span\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003e4-Oil Premium Blend\u003c\/span\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003eTrue Potassium Soap\u003c\/span\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003eFully Biodegradable\u003c\/span\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003eHandcrafted in UK\u003c\/span\u003e\n      \u003cspan class=\"drf-badge drf-badge-green\"\u003eNo Synthetic Chemicals\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eHealthy foliage starts with clean foliage. Dust, atmospheric particulates, hard water deposits, honeydew residue, sooty mould build-up, and mineral scale all accumulate on leaf surfaces over time. This layer physically blocks light from reaching the chloroplasts, reduces gas exchange through the stomata, and makes plants look dull and neglected. A regular washing routine removes these deposits, restores light transmission, and keeps foliage functioning at its best. It is one of the simplest improvements a gardener can make — and one of the most commonly overlooked.\u003c\/p\u003e\n    \u003cp\u003eDr Forest Bio-Plant Soap is a true \u003cstrong\u003epotassium soap\u003c\/strong\u003e — not a synthetic detergent — handcrafted from scratch at Dr Forest HQ in Stockport, Greater Manchester. The base is \u003cstrong\u003eBritish cold-pressed rapeseed oil\u003c\/strong\u003e, rich in oleic acid (~63%) and chosen specifically for the gentle, conditioning soap it produces when saponified. This is blended with organic castor oil, organic coconut oil, and insect larvae oil to create a four-oil formula that delivers stable lather, thorough cleaning, and even coverage across all foliage types.\u003c\/p\u003e\n    \u003cp\u003eThe concentrate dilutes in water to produce a clear, frothy solution that lifts surface deposits, dissolves sticky residues, and rinses away without leaving persistent films or synthetic residues. It doubles as an effective \u003cstrong\u003eoil emulsifier\u003c\/strong\u003e — dispersing neem oil and other horticultural oils evenly into water for consistent application. Fully biodegradable. Recycled packaging. No expiry date.\u003c\/p\u003e\n    \u003cdiv class=\"drf-stats\"\u003e\n      \u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e4\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003ePremium Oils\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e~63%\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eOleic Acid (Rapeseed)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e100%\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eBiodegradable\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e♾\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eNo Expiry Date\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003ch3\u003eWhat this plant soap is used for\u003c\/h3\u003e\n    \u003cul class=\"drf-uses\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eRoutine leaf cleaning\u003c\/strong\u003e — removes dust, dirt, atmospheric grime, and mineral deposits to keep foliage clean and photosynthetically efficient\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHoneydew and residue removal\u003c\/strong\u003e — dissolves sticky honeydew and the dark sooty mould residue that forms on it, restoring clean, glossy leaf surfaces\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHouseplant care\u003c\/strong\u003e — cleans indoor plants that accumulate household dust, cooking film, and airborne particles that dull foliage and block light\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGreenhouse and polytunnel hygiene\u003c\/strong\u003e — regular washing supports a cleaner growing environment in enclosed spaces where debris builds up faster\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOil emulsification\u003c\/strong\u003e — disperses neem oil and other horticultural oils into water for consistent, even mixing and application\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePre-feed leaf preparation\u003c\/strong\u003e — a clean leaf absorbs foliar feeds and biostimulants more efficiently; washing before feeding improves nutrient contact and uptake\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eEnd-of-season clean-up\u003c\/strong\u003e — removes a season's accumulated deposits from perennial plants, fruit trees, and greenhouse crops\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eEquipment and surface cleaning\u003c\/strong\u003e — dilute solution cleans secateurs, pots, trays, propagators, and greenhouse glass using a natural, biodegradable formula\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003ch3\u003eWhy this soap instead of a synthetic detergent?\u003c\/h3\u003e\n    \u003cdiv class=\"drf-compare\"\u003e\n      \u003cdiv class=\"drf-compare-box\"\u003e\n        \u003ch4\u003eDr Forest Bio-Plant Soap (True Potassium Soap)\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eTrue soap — saponified from British rapeseed, organic castor, organic coconut, and insect larvae oils using potassium hydroxide\u003c\/li\u003e\n          \u003cli\u003eBritish rapeseed base — cold-pressed, non-GM, high in oleic acid for a gentle, conditioning wash\u003c\/li\u003e\n          \u003cli\u003eFully biodegradable — breaks down rapidly and completely in soil and water\u003c\/li\u003e\n          \u003cli\u003eNo fragrances, preservatives, colourings, or synthetic additives\u003c\/li\u003e\n          \u003cli\u003eFormulated and dilution-rated specifically for use on living plants\u003c\/li\u003e\n          \u003cli\u003eEffective oil emulsifier for neem and horticultural oils\u003c\/li\u003e\n          \u003cli\u003eNo expiry date — inherently stable concentrate\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"drf-compare-box\"\u003e\n        \u003ch4\u003eWashing-Up Liquid or Synthetic Detergent\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eSynthetic surfactants (SLS, SLES) designed for kitchenware, not living plant tissue\u003c\/li\u003e\n          \u003cli\u003eFragrances, colourings, and preservatives serve no horticultural purpose and leave residues\u003c\/li\u003e\n          \u003cli\u003eCan strip natural epicuticular wax from leaves, increasing desiccation and stress\u003c\/li\u003e\n          \u003cli\u003eFormulations change without notice — inconsistent results\u003c\/li\u003e\n          \u003cli\u003eNot all components are fully biodegradable at all concentrations\u003c\/li\u003e\n          \u003cli\u003eNot designed, tested, or dilution-rated for use on plants\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"drf-panel\" id=\"drf-bp-panel2\"\u003e\n    \u003ch2\u003eThe oil blend: four oils, each with a job to do\u003c\/h2\u003e\n    \u003ch3\u003eWhy the base oil matters\u003c\/h3\u003e\n    \u003cp\u003eThe base oil defines the character of any soap. A coconut-only soap cleans aggressively but can be drying. A castor-only soap lathers richly but lacks cleaning power. Dr Forest Bio-Plant Soap uses British cold-pressed rapeseed oil as its primary base — chosen for its high oleic acid content (~63%), which produces a mild, conditioning soap that cleans effectively without stripping the plant's natural leaf surface. The remaining three oils are blended in to add lather volume, cleaning power, and structural stability.\u003c\/p\u003e\n    \u003cp\u003eThis is a \u003cstrong\u003epotassium soap\u003c\/strong\u003e — saponified using potassium hydroxide rather than sodium hydroxide. Potassium soaps remain liquid at room temperature, dissolve readily in water, and produce the soft, spreadable lather ideal for foliar application. Sodium soaps (bar soap chemistry) are harder and less soluble — unsuitable for diluting into spray solutions. The potassium saponification method is more expensive and more technically demanding, but it produces a fundamentally better product for plant washing.\u003c\/p\u003e\n    \u003chr class=\"drf-sep\"\u003e\n    \u003cdiv class=\"drf-compare\"\u003e\n      \u003cdiv class=\"drf-compare-box\"\u003e\n\u003ch4\u003eCleaning power \u0026amp; lather structure\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCoconut oil — high lauric acid (C12) content produces vigorous, bubbly lather with strong cleaning action\u003c\/li\u003e\n\u003cli\u003eCastor oil — ~90% ricinoleic acid creates dense, creamy foam that clings to surfaces for thorough contact\u003c\/li\u003e\n\u003cli\u003eInsect larvae oil — rich in lauric acid, reinforcing the lather matrix and broadening the fatty acid spectrum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"drf-compare-box\"\u003e\n\u003ch4\u003eConditioning \u0026amp; character\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBritish rapeseed oil — ~63% oleic acid (C18:1) provides the soap's mild, conditioning base character\u003c\/li\u003e\n\u003cli\u003eRapeseed also contributes linoleic acid (~17%) and alpha-linolenic acid (~7%) for a balanced fatty acid profile\u003c\/li\u003e\n\u003cli\u003eFour oils spanning C12 to C18 fatty acids give this soap a wider cleaning range than any single-oil formula\u003c\/li\u003e\n\u003cli\u003eCold-pressed rapeseed retains natural tocopherols (vitamin E) and phenolic compounds lost in refined oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003chr class=\"drf-sep\"\u003e\n    \u003ch3\u003eFour oils in detail\u003c\/h3\u003e\n    \u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e01\u003c\/span\u003e\u003ch4\u003eBritish Cold-Pressed Rapeseed Oil (Brassica napus)\u003c\/h4\u003e\n\u003cp\u003eThe primary base oil. British rapeseed is non-GM (genetic modification of rapeseed is not permitted in the UK) and cold-pressed to retain its natural bioactive compounds. The fatty acid profile is dominated by oleic acid (~63%), a C18 monounsaturated fatty acid, with linoleic acid (~17%) and alpha-linolenic acid (~7%) providing the polyunsaturated component. Cold-pressed rapeseed retains phenolic compounds, tocopherols, phytosterols, and carotenoids that are stripped out during industrial refining. When saponified with potassium hydroxide, this oil produces a mild, gentle soap with excellent conditioning properties — ideal for regular use on living plant tissue.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e02\u003c\/span\u003e\u003ch4\u003eOrganic Castor Oil (Ricinus communis)\u003c\/h4\u003e\n\u003cp\u003eCastor oil is approximately 90% ricinoleic acid — a hydroxy fatty acid found almost exclusively in this species. In soap formulation, ricinoleic acid produces a thick, stable, bubble-boosting lather that clings to surfaces rather than running off. This is the oil responsible for the soap's ability to coat foliage evenly and maintain contact long enough for effective cleaning. Castor oil also acts as a humectant, drawing moisture and improving the texture and feel of the finished lather.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e03\u003c\/span\u003e\u003ch4\u003eOrganic Coconut Oil (Cocos nucifera)\u003c\/h4\u003e\n\u003cp\u003eThe cleaning workhorse. Coconut oil is rich in lauric acid (C12) and myristic acid (C14) — short- to medium-chain saturated fatty acids that saponify into highly soluble, aggressively cleaning soap molecules. These are the compounds that lift and suspend dirt, grease, honeydew, and organic deposits in water for removal. Coconut oil provides the primary degreasing and cleansing power in this formulation, balanced by the gentler rapeseed and castor components.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e04\u003c\/span\u003e\u003ch4\u003eInsect Larvae Oil (Hermetia illucens)\u003c\/h4\u003e\n\u003cp\u003eOil extracted from black soldier fly larvae — rich in lauric acid (up to 50%) alongside myristic, palmitic, and oleic acids. It reinforces the coconut oil's cleaning power while contributing a broader fatty acid spectrum. Black soldier fly larvae convert organic waste into high-quality lipids, making this one of the most environmentally sustainable oil sources available for soap formulation. Its inclusion reflects Dr Forest's commitment to circular, low-impact ingredient sourcing.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-refs\"\u003e\n\u003ch4\u003eOil References\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eChew, S.C. (2020). Cold-pressed rapeseed (\u003cem\u003eBrassica napus\u003c\/em\u003e) oil: Chemistry and functionality. \u003cem\u003eFood Research International\u003c\/em\u003e, 131, 108997.\u003c\/li\u003e\n\u003cli\u003eChen, J. et al. (2023). A Comprehensive Review of Health-Benefiting Components in Rapeseed Oil. \u003cem\u003eMolecules\u003c\/em\u003e, 28(4), 1622.\u003c\/li\u003e\n\u003cli\u003eSurendra, K.C. et al. (2020). Bioconversion of organic wastes into biodiesel and animal feed via insect farming. \u003cem\u003eRenewable Energy\u003c\/em\u003e, 98, 197–202.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"drf-panel\" id=\"drf-bp-panel3\"\u003e\n    \u003ch2\u003eHow to use bio-plant soap: dilution rates, preparation \u0026amp; application guide\u003c\/h2\u003e\n    \u003cdiv class=\"drf-callout drf-callout-gold\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eShake well before every use\u003c\/span\u003e\u003cp\u003eThis is a natural soap concentrate — some separation between uses is normal and not a defect. Shake the bottle vigorously before measuring. This ensures consistent concentration in every dose.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003ch3\u003eApplication rates\u003c\/h3\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eMaintenance leaf wash — routine cleaning\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 6–10 ml per litre of soft water  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Every 1–2 weeks\u003c\/div\u003e\n\u003cp\u003eStandard dilution for regular leaf cleaning on all plants. Produces a light, even lather that lifts dust, grime, and surface deposits. Spray over entire plants including leaf undersides. The rapeseed-based soap is mild enough for weekly use on all foliage types.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eHeavy-duty wash — stubborn deposits\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 20–30 ml per litre of soft water  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e As needed\u003c\/div\u003e\n\u003cp\u003eUse the stronger rate for plants with heavy build-up — visible honeydew residue, sooty mould deposits, hard water scale, or thick dust and grime. The denser lather provides greater cleaning power. Apply, allow the foam to sit for a few minutes, then rinse or wipe for heavily soiled foliage.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eOil emulsifier — mixing neem or horticultural oils\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 5–10 ml per litre  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Each mix\u003c\/div\u003e\n\u003cp\u003eAdd the soap to water first and agitate to form a lather. Then add your neem oil or horticultural oil while stirring continuously. The soap molecules surround and disperse the oil droplets, creating a stable emulsion that stays evenly mixed during spraying.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eHouseplant leaf shine\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 6 ml per litre of soft water  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Every 2–4 weeks\u003c\/div\u003e\n\u003cp\u003eA gentle wash for indoor plants. Removes household dust, cooking residue, and airborne particles. Spray and wipe leaves gently with a soft cloth for a clean, natural shine — no artificial leaf-shine film, just a properly clean surface reflecting light as it should.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eTool, pot, and surface cleaning\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 15–20 ml per litre  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e As needed\u003c\/div\u003e\n\u003cp\u003eClean secateurs, propagation trays, seed trays, pots, and greenhouse benches. A biodegradable, residue-free alternative to synthetic cleaners. Effective at the start and end of the growing season for general horticultural hygiene.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eGreenhouse glass and polytunnel cleaning\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 20 ml per litre  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Seasonally\u003c\/div\u003e\n\u003cp\u003eWashes greenhouse glass, polytunnel covers, cold frames, and propagator lids. Removes algae build-up, mineral deposits, and atmospheric grime that reduce light transmission. Fully biodegradable — runoff poses no risk to plants or soil beneath.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003ch3\u003eStep-by-step preparation\u003c\/h3\u003e\n    \u003col class=\"drf-steps\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eShake the bottle vigorously.\u003c\/strong\u003e Natural soap concentrates can separate between uses. A thorough shake ensures even dosing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMeasure into soft water.\u003c\/strong\u003e Rainwater, filtered, or dechlorinated water gives best results. Add the soap and stir or agitate until frothy. Hard water causes cloudiness and reduces lather.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSpray or apply to foliage.\u003c\/strong\u003e Use a pump sprayer set to fine mist. Cover all surfaces — upper, lower, stems, and growing tips. For houseplants, spray and wipe with a soft cloth.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eApply in early morning or evening.\u003c\/strong\u003e Cooler temperatures and higher humidity extend contact time. Avoid spraying in direct sunlight — wet foliage in full sun can suffer temporary scorch.\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \u003cdiv class=\"drf-callout drf-callout-gold\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eSoft water for best results\u003c\/span\u003e\u003cp\u003eHard water contains calcium and magnesium ions that react with soap to form insoluble compounds. This turns the solution cloudy and reduces lather quality. Rainwater is ideal. If only hard tap water is available, use the higher end of the dilution range and agitate thoroughly.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-callout\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eWorks well as part of a complete plant care routine\u003c\/span\u003e\u003cp\u003eClean foliage absorbs foliar feeds more evenly. Wash plants, allow to dry, then follow with \u003cstrong\u003eSeaweed Powder\u003c\/strong\u003e foliar spray or \u003cstrong\u003eFulvic Acid Powder\u003c\/strong\u003e foliar feed for maximum uptake. This soap also serves as the emulsifier of choice when mixing neem oil — combine it with Dr Forest's \u003cstrong\u003eNatural Wetting Agent\u003c\/strong\u003e for optimised foliar coverage and spread.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"drf-panel\" id=\"drf-bp-panel4\"\u003e\n    \u003ch2\u003eFrequently asked questions about bio-plant soap\u003c\/h2\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq1\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq1\"\u003eWhat is the difference between this and the Neem \u0026amp; Mustard Seed Plant Soap?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eThe oil blend is different. This Bio-Plant Soap uses \u003cstrong\u003eBritish cold-pressed rapeseed oil\u003c\/strong\u003e as its base — a high-oleic, mild, conditioning oil that produces a gentle everyday wash. The Neem \u0026amp; Mustard Seed Plant Soap uses \u003cstrong\u003eorganic neem oil and mustard seed oil\u003c\/strong\u003e as its base, giving it a more complex secondary metabolite profile and a different cleaning character. Both are true potassium soaps, both are handcrafted at Dr Forest HQ, and both are effective plant washes. Choose this one for a milder, everyday wash; choose the Neem \u0026amp; Mustard Seed version for a more characterful formulation built around traditional botanical soap oils.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq2\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq2\"\u003eWhat is a potassium soap?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eA potassium soap is made by saponifying oils with potassium hydroxide (KOH) rather than sodium hydroxide (NaOH). The result is a liquid soap that dissolves readily in water and produces a soft, spreadable lather — ideal for diluting into spray solutions. Sodium hydroxide produces hard bar soap, which is unsuitable for plant washing. Potassium saponification is the traditional method for making liquid castile-style soaps and produces a fundamentally different product to solid soap or synthetic detergent.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq3\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq3\"\u003eIs this safe for all plants including edibles?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eYes. At recommended dilution rates, this soap is suitable for vegetables, fruit, herbs, flowers, houseplants, orchids, succulents, trees, and shrubs. It contains only saponified vegetable and insect-derived oils — no synthetic chemicals, preservatives, or additives. Rinse edible crops with clean water after washing if desired, though the soap breaks down naturally and leaves no persistent residues.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq4\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq4\"\u003eWhy British rapeseed oil?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eBritish rapeseed is non-GM (genetic modification is not permitted for UK-grown rapeseed), cold-pressed to retain its natural bioactive compounds, and approximately 63% oleic acid — a monounsaturated fatty acid that saponifies into a mild, conditioning soap. It supports British agriculture, has lower food miles than imported tropical oils, and produces a noticeably gentler wash than coconut-dominant soaps. It is the oil that defines this product's character.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq5\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq5\"\u003eWhy does the solution go cloudy in hard water?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eThis is basic soap chemistry. Calcium and magnesium ions in hard water react with soap molecules to form insoluble calcium and magnesium stearate — the same compounds that cause limescale and soap scum in bathrooms. This reduces cleaning effectiveness and can leave a white film on foliage. Soft water (rainwater, filtered, or dechlorinated) eliminates the problem entirely.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq6\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq6\"\u003eCan I use this to mix neem oil?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eYes — this is one of its primary uses. Neem oil is hydrophobic and separates from water within seconds without an emulsifier. This soap acts as that emulsifier: its amphiphilic molecules surround oil droplets and keep them suspended in water. Add the soap to water first, agitate, then add neem oil while stirring continuously.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq7\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq7\"\u003eWhat is insect larvae oil?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eOil from black soldier fly larvae (\u003cem\u003eHermetia illucens\u003c\/em\u003e), rich in lauric acid — the same fatty acid that makes coconut oil effective in soap. The larvae are farmed on organic waste streams, converting waste into high-quality lipids. This is one of the most sustainable fat sources available for soap-making and reflects Dr Forest's commitment to circular, environmentally responsible ingredient sourcing.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"drf-faq\"\u003e\n\u003cinput type=\"checkbox\" id=\"drf-bp-faq8\"\u003e\u003clabel class=\"drf-faq-q\" for=\"drf-bp-faq8\"\u003eDoes this expire?\u003c\/label\u003e\u003cdiv class=\"drf-faq-a\"\u003e\u003cdiv\u003eNo. True soap concentrates are inherently stable — the saponification process converts oils into soap and glycerine, both of which are shelf-stable indefinitely when stored sealed. Natural separation can occur over time; shake well before each use. Store in a cool place away from direct sunlight.\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dr Forest","offers":[{"title":"500ml","offer_id":33356792365144,"sku":"5060802930306","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"1litre","offer_id":33356792397912,"sku":"5060802930313","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"5litre","offer_id":33356792430680,"sku":"5060802930320","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0049\/8194\/8504\/files\/plant-soap-concentrate-hygienic-wash-wetting-agent-500ml-bottle-dr-894.webp?v=1774807329","url":"https:\/\/www.drforest.co.uk\/products\/organic-plant-soap","provider":"Dr Forest","version":"1.0","type":"link"}