A probable human carcinogen by the U.S. Environmental Protection Agency 
Listed as an animal carcinogen by the National Toxicology Program.
It is included on California’s Proposition 65 list of chemicals known or suspected to cause cancer or birth defects. 
Safer Alternatives - Cosmos approved, biodegradable surfactants that aren’t contaminated by 1,4-dioxane contamination.
Sodium Lauryl Sulfoacetate
Sodium Lauryl Glucose Carboxylate
An antimicrobial preservative that slowly releases carcinogenic formaldehyde into a product over time (see Formaldehyde).
Aluminum Hydroxide (CI 77002)
Used in many types of cosmetics and personal care products as a colorant. Sometimes, certain shades of mica are coated with aluminum to achieve various colour effects. Also used in conventional deodorants as an antiperspirant.
Typically found in:
Look on the ingredient list for:
Cancer (Carcinogenic Risks)
Although aluminum has not been evaluated by the International Agency for Research on Cancer (IARC), they have classified “aluminum production” as carcinogenic to humans. 
Aluminum is a pro-oxidant and could significantly increase the potential for oxidative skin damage.
Although we don’t feel aluminum coated mica is a health concern, we choose to avoid it due to possible skin damage. There are many other mineral pigments available to us, such as: