Used to make fragrances last longer, phthalates are endocrine disruptors linked to reproductive and developmental issues. Found in synthetic perfumes, they can be absorbed through the skin and inhaled.

Preservatives like methylparaben and propylparaben mimic estrogen in the body, disrupting hormones and potentially increasing the risk of breast cancer. Found in lotions, perfumes, and cosmetics.

These artificial musks accumulate in human fat tissue and the environment, disrupting hormone function and affecting aquatic life. Found in long-lasting fragrances.

A known carcinogen used in skincare and hair products to prevent bacterial growth, formaldehyde can cause skin irritation and respiratory problems.

Used in sunscreens and fragrances, these chemicals can cause hormone imbalances and skin allergies, and they contribute to coral reef destruction.

Derived from petroleum, these synthetic colorants are linked to skin irritation, allergic reactions, and potential carcinogenic effects. Found in perfumes and skincare.

Harsh foaming agents that strip natural oils, leading to skin irritation and dryness. Often found in cleansers, shampoos, and body washes.

A volatile solvent used in perfumes and nail polishes, toluene can cause dizziness, headaches, and long-term nervous system damage.

An antibacterial agent found in deodorants and soaps, triclosan disrupts thyroid hormones and contributes to antibiotic resistance.

A synthetic antioxidant preservative linked to endocrine disruption and liver toxicity. Found in perfumes and skincare products.

A solvent in fragrances that enhances absorption, DEP is associated with reproductive toxicity and respiratory issues.

Used as thickeners and emulsifiers, PEGs can be contaminated with 1,4-dioxane, a probable carcinogen that is easily absorbed through the skin.

Foaming agents that can form nitrosamines, which are known carcinogens linked to liver and kidney toxicity. Found in perfumes and shampoos.

Used in fragrance blends, styrene is classified as a possible human carcinogen by the International Agency for Research on Cancer (IARC).

Common in antiperspirants and some skincare, aluminum exposure is linked to neurological damage and potential breast cancer risks.

A cheap alcohol used in some fragrances, methanol can be toxic when absorbed through the skin, leading to neurological issues and organ damage.

Common emulsifiers derived from petroleum, polysorbates can be contaminated with ethylene oxide and 1,4-dioxane, both known carcinogens.

Banned in the U.S. but still found in some imported perfumes, methylene chloride is a known carcinogen and can cause dizziness, nausea, and nerve damage.