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Is Method Laundry Detergent Safe?

📅 Updated February 2026⏱️ 4 min readNEW

TL;DR

Method is not a clean detergent. Despite the plant-based claims, EWG gives their formulas D and F ratings for toxicity concerns. Even their "Free & Clear" detergent contains methylisothiazolinone (MIT), a severe contact allergen, alongside synthetic optical brighteners.

🔑 Key Findings

1

EWG rates multiple Method laundry detergents with D and F grades.

2

Their Free & Clear formula still contains methylisothiazolinone (MIT), a known skin sensitizer.

3

The formulas use disodium distyrylbiphenyl disulfonate, a synthetic optical brightener.

4

Method uses ethoxylated ingredients (Laureth-7) which carry a risk of 1,4-dioxane contamination.

The Short Answer

Method is not a truly clean laundry detergent. Despite its eco-friendly marketing, the Environmental Working Group (EWG) gives many of Method's formulas D and F ratings for toxicity concerns.

Their formulas rely heavily on synthetic preservatives, optical brighteners, and ethoxylated ingredients. Even their "Free & Clear" version contains methylisothiazolinone (MIT), a potent allergen responsible for a massive rise in contact dermatitis. Safest Laundry Detergent

Why This Matters

Method was one of the first brands to successfully make "green" cleaning look cool. They ditched the standard industrial jug for sleek, colorful bottles that look great on a shelf.

But marketing isn't reality. While Method highlights their plant-derived surfactants and recycled packaging, they gloss over the synthetic chemicals actually holding the formulas together. Detergent Marketing Scam

The biggest concern is methylisothiazolinone (MIT). This harsh synthetic preservative is a known contact allergen, yet Method uses it across their entire detergent line. Detergent Skin Irritation

They also rely heavily on optical brighteners to create the illusion of clean clothes. Nearly 80% of commercial detergents use these UV-reactive chemicals, but true natural brands leave them out entirely. Optical Brighteners Safety

What's Actually In Method Laundry Detergent

  • Methylisothiazolinone (MIT) — A synthetic preservative notorious for causing severe skin reactions, especially in babies. Chemicals To Avoid
  • Disodium Distyrylbiphenyl Disulfonate — An optical brightener that coats your clothes in a residue to trick your eyes into seeing "white." Optical Brighteners Clothes
  • Laureth-7 — An ethoxylated surfactant that can be contaminated with 1,4-dioxane, a known human carcinogen. 1 4 Dioxane Detergent
  • Fragrance (Parfum) — A single word that can hide hundreds of undisclosed synthetic chemicals, including phthalates. What Is Fragrance
  • Sodium Lauryl Sulfate (SLS) — A strong cleaning agent that strips natural oils and can easily cause skin irritation.

What to Look For

Green Flags:

  • Recycled packaging — Method does use 100% post-consumer recycled plastic bottles.
  • Enzyme blends — They use naturally derived enzymes (like protease and amylase) to break down stains effectively.

Red Flags:

  • Isothiazolinone preservatives — MIT and MCI are serious triggers for eczema and contact dermatitis. Best Detergent Eczema
  • Optical brighteners — "Clean" detergents shouldn't rely on chemical illusions to make clothes look bright.
  • Vague "Fragrance" listings — True clean brands disclose every single scent ingredient without hiding behind industry loopholes. Fragrance Detergent Safety

The Best Options

If you want truly clean laundry, skip the greenwashed brands and look for formulas transparent about every ingredient. Cleanest Laundry Detergent

BrandProductVerdictWhy
Branch BasicsLaundry KitZero optical brighteners, MIT, or synthetic fragrances.
Molly's SudsLaundry PowderSimple, earth-derived ingredients that actually clean.
MethodFree + Clear🚫Still contains the harsh allergen MIT and optical brighteners.
MethodGinger Mango🚫Adds undisclosed synthetic fragrance to an already concerning base.

The Bottom Line

1. Don't trust the packaging. A modern bottle and plant-based claims don't guarantee a non-toxic formula.

2. Watch out for MIT. If you or your kids have unexplained rashes, check your detergent for methylisothiazolinone.

3. Switch to a truly clean brand. There are plenty of effective natural detergents that don't rely on synthetic preservatives and optical illusions.

FAQ

Is Method actually a clean brand?

No, Method is a textbook example of greenwashing. While they use some plant-derived ingredients, their formulas still rely on harsh synthetic preservatives like MIT and optical brighteners. Mrs Meyers Review

Is Method Free and Clear safe for babies?

We do not recommend it for babies or sensitive skin. Even the unscented version contains methylisothiazolinone (MIT), a potent allergen that is a leading cause of contact dermatitis in infants. Regular Detergent Baby Clothes

Does Method use optical brighteners?

Yes, they use synthetic brightening agents. Look at the ingredient list for "disodium distyrylbiphenyl disulfonate"—this chemical coats fabrics to make them appear artificially whiter under UV light. Optical Brighteners Clothes

🛒 Product Recommendations

Laundry Kit

Branch Basics

Zero optical brighteners, MIT, or synthetic fragrances.

Recommended
Laundry Powder

Molly's Suds

Simple, earth-derived ingredients that actually clean.

Recommended
🚫
Free + Clear Detergent

Method

Still contains the harsh allergen MIT and optical brighteners.

Avoid
🚫
Ginger Mango Detergent

Method

Adds undisclosed synthetic fragrance to an already concerning base.

Avoid

💡 We don't accept payment for recommendations. Some links may be affiliate links.

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