Non-Toxic Dish Soaps That Actually Cut Grease

Non toxic dish soap is one of the most-touched products in a kitchen. So I went looking for what the term actually means. I pulled the full INCI list off every bottle in my sink, cross-referenced surfactant chemistry against the EPA’s Safer Choice ingredient list, audited the fragrance and preservative systems, and scored five brands against the Fair Marrow rubric. Most dish soap sold as “clean” or “non toxic” fails at least one pillar. Here are the five that don’t.

How we tested non toxic dish soap

So dish soap is a surfactant problem. Surfactants are the molecules that grab grease on one end and water on the other. The chemistry decides what stays clean and what gets stripped off — skin, dishware coatings, your gut microbiome when residue stays on a plate. And here’s where it gets weird. The FDA doesn’t regulate dish soap. The EPA does, through the Toxic Substances Control Act, but only for environmental impact, not human exposure on dishware. So the term “non toxic” sits in a regulatory gap. The Fair Marrow rubric closes that gap with four pillars: Materials and Ingredient Honesty, Formulation Integrity, Source and Certifications, Transparency and Performance. Full rubric lives on The Fair Marrow Standard. I disqualified products with undisclosed fragrance, with SLS or SLES as the primary surfactant, with 1,4-dioxane risk per the EWG database, with conflicting SDS sheets, and with parent-company conflicts where the same brand sells a non-clean line on the other side of the aisle.

The comparison table

Product	Material	What It Actually Is	Price	Worth It?
Branch Basics Concentrate	Plant-based surfactant	Decyl glucoside + chamomile extract, single concentrate dilutes for dishes, EWG Verified	$54 (concentrate, dilutes to ~64oz)	Yes, the cleanest pick
Dr. Bronner’s Sal Suds	Plant-based surfactant	Decyl glucoside + lauryl glucoside, fir needle and spruce essential oils, no synthetic fragrance	$13 (32oz)	Yes, the budget pick
Attitude Nature+ Dish Soap	Plant-based surfactant	Sodium coco-sulfate + decyl glucoside, EWG Verified, fragrance-free version available	$8 (23.7oz)	Yes, on the shelf at most stores
Puracy Natural Dish Soap	Plant-based surfactant	Sodium methyl 2-sulfolaurate + lauryl glucoside, citrus essential oil scent	$10 (16oz)	Yes, but read the fragrance label
Cleancult Liquid Dish Soap	Coconut soap base	Saponified coconut and olive oils, refillable paper carton packaging	$8 (16oz)	Yes, for the packaging story

Best overall — Branch Basics Concentrate

Branch Basics is sold as a single concentrate that dilutes for dishes, laundry, surface cleaning, and bathroom. The dish-soap dilution uses about a teaspoon of concentrate per 16 oz of water. Cost per dish-soap bottle works out to under $4 once you account for dilution. The full INCI list is published. The primary surfactant is decyl glucoside — a sugar-based surfactant derived from coconut and corn. Secondary actives are coco-glucoside and chamomile flower extract. The product carries EWG Verified certification, which screens against 1,400-plus chemicals of concern at concentrations the EWG considers risk-relevant. The pillar it nails: Materials and Ingredient Honesty plus third-party certification stack. The pillar it weakens on: upfront price. A $54 concentrate is the highest-friction purchase on this list, even though the cost-per-dish-soap-bottle is the lowest. Buy: Branch Basics Concentrate on Amazon · direct from Branch Basics

Best budget — Dr. Bronner’s Sal Suds

So Sal Suds is the one most people own already. It’s a household biodegradable cleaner, not technically a dish soap by Dr. Bronner’s own labeling, but the surfactant blend works for dishes at a 1:10 dilution. Decyl glucoside and lauryl glucoside as the primary actives. Fir needle and spruce essential oils for scent — disclosed on the label, not hiding behind “fragrance.” Dr. Bronner’s publishes a full ingredient breakdown on their website, including the source country for each ingredient. The brand is certified by Leaping Bunny for cruelty-free production. Their corporate structure is employee-owned with a published salary cap, which doesn’t affect the chemistry but does affect the trust calculation. The pillar it nails: Source and Certifications plus price-to-performance. The pillar it weakens on: it’s not technically labeled “dish soap” — some users find it less foam-rich than their previous bottle and read that as worse performance. The cleaning happens, the foam expectation just needs adjusting. Buy: Sal Suds 32oz on Amazon · direct from Dr. Bronner’s

Best widely available — Attitude Nature+

Attitude is Canadian. Most US Whole Foods, Sprouts, and natural grocery chains carry it. The Nature+ dish soap uses sodium coco-sulfate and decyl glucoside as the primary surfactants — a different chemistry than the SLS that critics conflate it with. Sodium coco-sulfate is a longer-chain sulfate that does not carry the same skin-irritation profile. The full INCI is published. The brand carries EWG Verified on most SKUs. A fragrance-free version exists. The scented versions disclose specific botanical extracts rather than hiding behind a “fragrance” label. The pillar it nails: Materials and Ingredient Honesty plus shelf availability. The pillar it weakens on: scented versions still load essential oils heavier than the others on this list — choose the fragrance-free SKU if you have sensitivity. Buy: Attitude Nature+ Dish Soap on Amazon · direct from Attitude

Best for skin sensitivity — Puracy Natural Dish Soap

Puracy is the dermatologist-formulated entry. Primary surfactant is sodium methyl 2-sulfolaurate — a milder sulfonate that does not strip skin oils the way SLS does. Secondary is lauryl glucoside. The pH is buffered close to skin neutral, around 5.5-6. The full INCI is published. The fragrance disclosure names specific essential oils (lime peel oil, grapefruit peel oil, lemon peel oil). The brand uses third-party certified packaging through EPA Safer Choice for several SKUs, though the dish soap itself is not currently Safer Choice listed. The pillar it nails: Formulation Integrity at the surfactant chemistry level. The pillar it weakens on: cost per ounce sits high for the volume. Buy: Puracy Natural Dish Soap on Amazon · direct from Puracy

Best for the packaging story — Cleancult

Cleancult uses a saponified-oil base — coconut oil and olive oil chemically converted to soap — rather than a synthetic surfactant blend. The chemistry is closer to traditional bar soap than to modern dish liquid. The cleaning works on light to medium grease loads; heavily greased cookware will need a second pass. The bigger story is the packaging. Cleancult ships in milk-carton-style paper cartons that the consumer pours into a refillable glass dispenser. The plastic footprint is roughly 80% lower than a standard plastic dish-soap bottle. The pillar it nails: Source, Supply Chain, and packaging story. The pillar it weakens on: Performance Under Heavy Grease — saponified oils foam less and cut grease less aggressively than glucoside-based surfactants. Buy: Cleancult Dish Soap on Amazon · direct from Cleancult

What we cut and why

Five popular dish soaps did not make this guide. Method Dish Soap. Owned by SC Johnson since 2017. The ingredient list is improved over the average drugstore brand. The “fragrance” disclosure is still a black box. Pillar 1 fails on full transparency. Mrs. Meyer’s Clean Day. Same parent (SC Johnson). The botanical names on the bottle do not match the actual fragrance compounds disclosed in the SDS, which include several IFRA-restricted aroma chemicals at low concentrations. Pillar 1 partial fail. Seventh Generation Free and Clear. Owned by Unilever. The free and clear SKU is among the cleaner mainstream options. The corporate structure puts Unilever-brand consistency above formulation independence; SKU formulations shift quietly. Pillar 5 weakens on longevity of formula. Dawn Platinum. The grease-cutting performance is legendary. The surfactant blend includes SLS as the primary active. Pillar 1 disqualifying for a “non toxic” list, even though it is FDA-compliant for food-contact rinse-off. Ecover Dish Soap. Decent formulation. EU-formulated SKUs differ from US-formulated SKUs, and the US versions are reformulated under different supply-chain constraints. Pillar 3 weakens on consistency across regions.

The verdict

So the cleanest non toxic dish soap is Branch Basics Concentrate if the upfront price is workable. The safest non toxic dish soap that you can buy on a Target run is Attitude Nature+. The budget answer is Sal Suds at a 1:10 dilution. The escape-hatch for the deepest cleaning-without-strip-stripping is Puracy. The whole category sits in a regulatory gap. The brands that step into that gap with full ingredient disclosure, third-party certification, and stable formulations are the ones worth buying. The rest are doing what dish soap has always done — selling foam and citrus marketing.

FAQ

What makes a dish soap non toxic?

So the term has no FDA or EPA legal definition. But “non toxic” usually signals dish soap without SLS, SLES, undisclosed fragrance, 1,4-dioxane risk, or formaldehyde-releasing preservatives. The verifiable shortcut is EWG Verified or EPA Safer Choice listing.

Is Dawn dish soap toxic?

So Dawn is FDA-compliant for food-contact rinse-off. And Dawn cleans grease better than most non-toxic dish soap on the market. But Dawn uses SLS as a primary surfactant, undisclosed fragrance, and synthetic dyes. By the Fair Marrow rubric, it fails Pillar 1 on ingredient honesty.

Are plant-based dish soaps actually cleaner?

So “plant-based” is not a regulated term. And some plant-derived surfactants (sodium coco-sulfate) are chemically similar to petroleum-derived sulfates. But glucoside surfactants — decyl glucoside, lauryl glucoside, coco-glucoside — are genuinely milder and biodegrade faster per EPA Safer Choice screening.

Is 1,4-dioxane in dish soap?

So 1,4-dioxane is a manufacturing byproduct in dish soap that uses ethoxylated surfactants like SLES. And the FDA does not require it on labels. But the EWG database tracks it, and California Proposition 65 lists it as a known carcinogen. Glucoside-based dish soaps don’t produce it.

Does fragrance-free dish soap really clean as well?

So fragrance has no cleaning function. And the scent is purely sensory. But fragrance-free versions sometimes have weaker preservative systems, so they may have a shorter shelf life. Used within 12 months of opening, performance is identical.

About the editor

Erin Siemek runs Fair Marrow. She built this site to score products against the same rubric every time. She is not paid by any brand named on this page. Read more about the editorial standard at About Fair Marrow.