Dish soap is one of the most frequently used household cleaners — and one of the most likely to leave trace residues on dishes, baby bottles, and kitchen surfaces. Many conventional dish soaps contain synthetic fragrances, dyes, and surfactants that EWG's Guide to Healthy Cleaning rates as a concern. This roundup covers the hand dish soaps that score best in EWG's cleaning database, from EWG VERIFIED® options to top-graded plant-based picks.
See also our cleaning products roundup: Best Non-Toxic Cleaning Products Top-Rated by EWG
Why Dish Soap EWG Ratings Matter
Unlike household surfaces you clean and rinse, dishes come into direct contact with food — meaning any residues left by dish soap can end up in your food. Baby bottles and sippy cups are a particular concern: bottle brushes can embed soap residue in seams and nipples that even thorough rinsing may not fully remove.
EWG's Guide to Healthy Cleaning evaluates dish soaps on its letter-grade system (A–F) based on ingredient hazard, ingredient disclosure, and formulation concerns. Ingredients EWG flags most commonly in conventional dish soaps:
- Synthetic fragrance: EWG's top concern — "fragrance" can conceal dozens of undisclosed chemicals including allergens, endocrine disruptors, and persistent synthetic musks
- Methylisothiazolinone (MI) and benzisothiazolinone (BIT): Preservatives EWG rates as moderate-to-high hazard due to skin sensitization and aquatic toxicity
- Triclosan: An antibacterial agent (largely phased out but present in some formulas) rated high hazard by EWG
- 1,4-Dioxane: A carcinogenic contaminant in some ethoxylated surfactants; not listed on product labels
- Colorants (FD&C dyes): Rated moderate concern by EWG
- Nonylphenol ethoxylates (NPEs): Surfactants that degrade to endocrine-disrupting compounds
EWG VERIFIED® dish soaps require full ingredient disclosure — including fragrance — to EWG, and contain none of EWG's "Unacceptable" list ingredients.
Browse EWG-rated cleaning products in our shop: dish soap & cleaning products
Top EWG-Rated Hand Dish Soaps
1. Branch Basics All-Purpose / Dish Soap (from Concentrate) — EWG VERIFIED®
Branch Basics' EWG VERIFIED® concentrate is designed to dilute into multiple cleaning solutions — including dish soap. When diluted at the dish soap ratio, it's an effective, fragrance-free, food-contact-surface dish cleaner. The concentrate is free of synthetic fragrance, dye, optical brighteners, and every ingredient on EWG's Unacceptable list. One bottle covers hundreds of wash cycles.
EWG Status: EWG VERIFIED® (concentrate)
Key Free-Froms: Fragrance-free, dye-free, phosphate-free, 1,4-dioxane-free
Format: Concentrate (dilute for dish soap)
Best For: Whole-home cleaning simplification, baby bottle washing, fragrance-sensitive households
Branch Basics Starter Kit — Buy on Amazon ↗
2. ATTITUDE Dishwashing Liquid — EWG VERIFIED®
ATTITUDE extends their EWG VERIFIED® commitment into dish soap. Their dishwashing liquid uses plant-derived surfactants, is phosphate-free, and is available in fragrance-free and naturally scented options. Vegan and cruelty-free. ATTITUDE products are certified EWG VERIFIED® across their cleaning line.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Synthetic fragrance-free options, paraben-free, phosphate-free, dye-free
Format: Ready-to-use liquid
Best For: EWG VERIFIED® priority, fragrance-free dishwashing, everyday use
ATTITUDE Dishwashing Liquid — Buy on Amazon ↗
3. Seventh Generation Free & Clear Dish Liquid
Seventh Generation's Free & Clear dish liquid is one of the most widely available options rated positively in EWG's cleaning guide. Free of synthetic fragrance, dye, and triclosan. Seventh Generation voluntarily discloses its full ingredient list, which EWG credits in its rating. The Free & Clear formulation consistently outperforms Seventh Generation's scented dish soap lines in EWG's database.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Fragrance-free, dye-free, triclosan-free
Format: Ready-to-use liquid
Best For: Budget-conscious families, widely available in grocery stores, drugstores, and big-box retail
Seventh Generation Free & Clear Dish Liquid — Buy on Amazon ↗
4. Puracy Natural Liquid Dish Soap
Puracy's Natural Liquid Dish Soap uses a plant-derived surfactant blend and is free of synthetic fragrance, SLS, petroleum-based ingredients, and artificial dyes. Concentrated formula — a smaller amount per wash goes further than conventional dish soaps.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Synthetic fragrance-free, SLS-free, petroleum-free, dye-free
Format: Concentrated liquid
Best For: Value seekers, plant-based priority, sensitive skin families
Puracy Natural Liquid Dish Soap — Buy on Amazon ↗
5. Ecover Zero Dish Soap
Ecover Zero is the fragrance-free, dye-free line from Belgium-based Ecover. The dish soap uses a plant-based and mineral surfactant blend and is rated positively in EWG's cleaning guide. Biodegradable formula and recyclable bottle.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Fragrance-free, dye-free, phosphate-free, paraben-free
Format: Ready-to-use liquid
Best For: Budget-friendly EWG-aware pick, European ingredient standards, fragrance sensitivity
Ecover Zero Dish Soap — Buy on Amazon ↗
6. Better Life Dish It Out Liquid Dish Soap
Better Life produces plant-derived cleaning products with good ratings in EWG's cleaning database. Their Dish It Out dish soap uses coconut-derived surfactants and is free of sulfates, parabens, and synthetic fragrances. Available in naturally scented and unscented options.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Sulfate-free, paraben-free, synthetic fragrance-free option
Format: Ready-to-use liquid
Best For: Everyday dishwashing, plant-based priority, available in grocery and natural food stores
Better Life Dish It Out Liquid Dish Soap — Buy on Amazon ↗
7. ECOS Dishmate Dish Soap, Free & Clear
ECOS (Earth Friendly Products) is a California-based cleaning brand with a portfolio of EWG-rated household cleaners. Their Dishmate Free & Clear dish soap uses a plant-derived formula, is fragrance-free, and is phosphate-free. ECOS uses solar energy in manufacturing and discloses ingredients transparently.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Fragrance-free, phosphate-free, dye-free
Format: Ready-to-use liquid
Best For: Budget pick, climate-conscious brand choice, fragrance-free preference
ECOS Dishmate Dish Soap Free & Clear — Buy on Amazon ↗
8. Meliora Dish Soap Bar
Meliora's dish soap bar is a zero-waste alternative to liquid dish soap. Made with a short list of soap-based ingredients — saponified organic oils, washing soda, and essential oils (or unscented) — it requires no plastic bottle and leaves no residue. Packaged in paper.
EWG Status: Check EWG Skin Deep for current rating.
Key Free-Froms: Synthetic fragrance-free option, plastic-free packaging
Format: Bar (rub onto wet dish brush or sponge)
Best For: Zero-waste households, minimalist ingredient lists, simplest formula possible
Meliora Dish Soap Bar — Buy on Amazon ↗
What to Avoid in Dish Soap: EWG's Red Flags
When reading a dish soap label, the following ingredients are most commonly associated with lower EWG grades or higher hazard profiles:
| Ingredient | Why EWG Flags It |
|---|---|
| Fragrance / parfum | Undisclosed chemicals; allergen and endocrine concern |
| Methylisothiazolinone (MI) | Skin sensitizer; aquatic toxin |
| Triclosan | Endocrine disruptor; antimicrobial resistance concern |
| FD&C artificial dyes | Carcinogen and organ toxicity concern (varies by dye) |
| Nonylphenol ethoxylates | Degrade to estrogen-mimicking compounds |
| 1,4-Dioxane (unlisted contaminant) | Carcinogen found as impurity in some ethoxylated surfactants |
The cleanest dish soaps use plant-derived, ethoxylate-free surfactants, are free of fragrance, and list all ingredients transparently.
Frequently Asked Questions
Q: Does dish soap with fragrance leave residue on dishes?
Dish soap — including fragrance components — can leave trace residue on dishes if not thoroughly rinsed. For baby bottles, sippy cups, and items that may retain soap in crevices, fragrance-free and dye-free formulas are the most conservative choice.
Q: Do EWG-rated dish soaps cut grease as well as conventional brands?
Yes, for everyday household grease levels. Plant-derived surfactants used in EWG-top-rated formulas clean effectively under normal kitchen conditions. For extremely heavy-duty grease (restaurant-level), conventional surfactant blends may cut through more quickly, but for home kitchens, the EWG-rated options in this list perform comparably.
Q: Is "plant-based" on a dish soap label meaningful?
Partially. "Plant-based" typically refers to the surfactant origin (derived from coconut, corn, or sugar rather than petroleum). However, "plant-based" is not a regulated term and doesn't guarantee ingredient safety, low hazard, or fragrance-free formulation. EWG grades the full ingredient list, not just the surfactant origin.
Q: Which dish soap is best for washing baby bottles?
For baby bottles specifically, the priority is fragrance-free and EWG VERIFIED® or top-graded. Branch Basics (fragrance-free, EWG VERIFIED®) and ATTITUDE (EWG VERIFIED®) are the highest-bar choices. Pair with thorough rinsing and periodic steam sterilization.
Doing a full kitchen and laundry overhaul? See our best EWG-rated laundry detergent guide for top-rated clean options. For countertop and surface cleaning, our non-toxic all-purpose cleaner guide covers EWG’s best picks.
