Laundry is one of the most intimate cleaning tasks in the house — the detergent residue that stays in fabric after washing is in direct contact with your skin all day, and your family’s clothes go through it multiple times a week. A pillowcase sits against your face for roughly 2,500 hours per year. What’s in your detergent matters.
The good news: the laundry category has some of the best available non-toxic options, certified alternatives are widely accessible at mainstream retailers, and a few practical changes to your laundry routine can meaningfully reduce your household’s chemical exposure without requiring any sacrifice in cleaning performance.
What to Avoid in Conventional Laundry Products
Most conventional laundry detergents work well — that’s not in dispute. What matters is what’s in them alongside the surfactants and enzymes that do the cleaning.
Synthetic fragrance
The single most important ingredient to watch for in laundry products. “Fragrance” or “parfum” on a detergent label is a legal catch-all that can represent dozens of undisclosed chemical compounds — including phthalates used as fixatives, synthetic musks, and known allergens. These fragrance compounds don’t fully rinse out of fabric — they stay in your clothes, sheets, and towels, in contact with your skin all day and all night.
A study cited by the Environmental Working Group found that scented laundry products released over 25 volatile organic compounds through dryer vents, including seven hazardous air pollutants. Two of those — acetaldehyde and benzene — are classified by the EPA as carcinogens with no established safe exposure level. That’s from the dryer vent. The compounds that stay in your clothes are the same ones.
Fragrance-free laundry detergent eliminates this exposure entirely. The clothes clean just as well — scent has no cleaning function — and for people with skin sensitivities or eczema, it’s often the single most impactful change in their laundry routine.
Optical brighteners
Optical brighteners — listed as fluorescent brightening agents, stilbene derivatives, or specific chemical names like disodium distyrylbiphenyl disulfonate — make clothes appear whiter and brighter by absorbing UV light and emitting blue light. They don’t clean anything. They stay in fabric and fluoresce on skin under sunlight, which means they’re in direct contact with your body continuously.
Optical brighteners are not readily biodegradable and accumulate in aquatic environments. They’re a common cause of skin irritation in people with photosensitive conditions. EWG Verified and EPA Safer Choice certified detergents don’t contain them.
1,4-Dioxane contamination
1,4-Dioxane is a probable carcinogen — not an intentional ingredient but a manufacturing byproduct that contaminates products containing ethoxylated surfactants (ingredients with names ending in “-eth” like sodium laureth sulfate). It doesn’t appear on labels because it’s a contaminant, not an added ingredient. The FDA has been developing voluntary guidance on reducing 1,4-dioxane levels in cleaning products. EWG Verified certified detergents are screened for this contamination as a condition of certification.
Phosphates
Phosphates were once widely used as water-softening agents in laundry detergents. Most domestic formulations have removed them to comply with regulations in many states—they cause algae blooms in waterways that deplete oxygen and kill aquatic life. However, they may still appear in some specialty or commercial laundry products. Worth checking if you use products beyond standard household detergents.
Quaternary ammonium compounds (quats) in fabric softeners
Liquid fabric softeners typically work by depositing a thin layer of quaternary ammonium compounds — quats — on fabric fibers, giving them a soft, static-free feel. As covered in the cleaning products posts, repeated exposure to quats is linked to respiratory sensitization and antimicrobial resistance. In fabric softeners, this coating stays on fabric in direct contact with skin — a higher concern than quats in a rinse-off floor cleaner.
The Dryer Sheet Problem
Dryer sheets deserve their own section because they’re one of the most chemically intensive laundry products and one of the least scrutinized.
Conventional dryer sheets coat fabric with a mixture of fragrance compounds, synthetic softening agents (often quaternary ammonium compounds), and lubricating chemicals that reduce static. That coating stays in the fabric. After every dryer cycle with a conventional dryer sheet, every item in the dryer has a fresh layer of those chemicals deposited on it — including the clothes and bedding your family wears and sleeps in.
The University of Washington research that found over 25 VOCs in dryer vent emissions identified the dryer sheets themselves as a primary source. Acetaldehyde — classified as a probable carcinogen — and benzene — a known carcinogen — were among the compounds detected. These compounds are being emitted from your dryer vent into the outdoor air and, in poorly ventilated laundry rooms, into your indoor air.
The alternative: wool dryer balls
Wool dryer balls are the simplest, most effective replacement for dryer sheets. They reduce static, decrease drying time by improving air circulation, and soften fabric through physical agitation — without depositing any chemical coating on clothes or bedding. A set of three to six wool dryer balls lasts for years. The per-use cost is a fraction of dryer sheets. There’s nothing to buy repeatedly.
For those who want scent in their laundry, a drop of essential oil applied directly to a wool dryer ball before the cycle adds fragrance without the synthetic fragrance compounds in conventional dryer sheets — though fragrance-free is always the most conservative choice for families with sensitivities.
Certifications for Laundry Detergent
The same certifications that apply to other cleaning products apply to laundry detergent — and in this category, they’re particularly meaningful given how directly detergent residue contacts skin.
EPA Safer Choice
The EPA Safer Choice program reviews every ingredient in certified laundry detergents against criteria for human health and environmental safety. Safer Choice laundry detergents cannot contain known carcinogens, reproductive toxicants, or developmental toxicants. Fragrance components are also screened — Safer Choice requires that fragrances meet specific safety criteria rather than allowing the undisclosed-compound approach that conventional fragrance labeling permits.
Safer Choice certified laundry detergents are available at mainstream grocery retailers including Kroger, Target, and Walmart — often as store brand products at comparable prices to conventional detergents.
EWG Verified
EWG Verified laundry detergents must fully disclose all ingredients, contain no ingredients on EWG’s unacceptable list, and meet strict transparency standards including fragrance component disclosure. EWG Verified and Safer Choice together represent the strongest independent verification available for laundry products.
MADE SAFE
MADE SAFE screens products against over 6,500 potentially harmful chemicals. For laundry detergent — given the skin contact concern — MADE SAFE certification adds a particularly comprehensive safety screen for people with chemical sensitivities or specific health concerns.
A Note on Laundry Detergent Sheets
Laundry detergent sheets — thin, dissolvable strips that replace liquid or powder detergent — have grown significantly in popularity. They’re convenient, reduce plastic packaging waste, and are easy to use. They’re worth understanding before buying.
Most laundry sheets use polyvinyl alcohol (PVA) as their dissolvable film — the same polymer used in dishwasher pods. PVA is water-soluble, which is why the sheet dissolves in the wash. Whether it’s truly biodegradable in wastewater treatment systems is an active debate: some research suggests it breaks down effectively, while other studies find it passes through treatment systems intact and accumulates in water environments. The question isn’t fully resolved.
Beyond the PVA question, the most important criteria for evaluating laundry sheets are the same as for liquid detergents: no synthetic fragrance, no optical brighteners, no 1,4-dioxane contamination, and ideally EPA Safer Choice or EWG Verified certification. Fragrance-free laundry sheets from brands with third-party ingredient testing represent the most transparent option in this format.
Hard Water and Non-Toxic Detergents
Hard water — water with high mineral content — is a common reason non-toxic detergents underperform. Minerals in hard water bind to soap and detergent molecules, reducing their cleaning effectiveness and sometimes leaving a film on fabric.
If you’ve tried a safer detergent and found it leaving residue or clothes not feeling fully clean, hard water is often the cause rather than the detergent itself. A few practical responses:
Add washing soda to the load. Washing soda (sodium carbonate, different from baking soda) softens hard water by binding the minerals that interfere with detergent. Adding ¼ to ½ cup per load significantly improves non-toxic detergent performance in hard water. Washing soda is safe, widely available, and inexpensive.
Add white vinegar to the rinse cycle. ½ cup of white vinegar in the rinse cycle (use the fabric softener dispenser) neutralizes detergent residue and softens fabric. It rinses out completely — no vinegar smell remains in dry clothes.
Use slightly more detergent than the label suggests. Hard water requires more detergent to achieve the same cleaning effect. Non-toxic detergent manufacturers sometimes calibrate their dosing recommendations for average water hardness — if your water is harder than average, adjust accordingly.
Thinking About the Whole System
One important principle for non-toxic laundry: a safer detergent paired with a conventional fabric softener partially defeats the purpose. The most effective approach is to think about the full system rather than making one swap while keeping the rest unchanged.
The complete non-toxic laundry routine looks like: EPA Safer Choice or EWG Verified fragrance-free detergent, washing soda boost for hard water if needed, white vinegar in the rinse cycle instead of liquid fabric softener, and wool dryer balls instead of dryer sheets. Each element reinforces the others — and together they produce laundry that’s genuinely cleaner in every sense of that word.
None of these changes costs more than conventional alternatives over time. Most cost less.
Related reading:
- A Cleaner Home Without the Chemicals: The Complete Guide →
- Non-Toxic Cleaning Products That Actually Work →
- The Simple DIY Cleaning Kit →
Part of the A Cleaner Home Without the Chemicals guide — our complete look at non-toxic cleaning products, certifications, and DIY alternatives.
The information on Old Barn Organics is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before making changes related to your health or your family’s health.
