Butylated Hydroxyanisole and Butylated Hydroxytoluene (BHA & BHT) are synthetic antioxidants used as preservatives in moisturizers and lipstick.
- They interfere with hormone function - Possible human carcinogens - Have acted as tumor promoters in certain situations
Coal Tar Dyes
A mixture of many chemicals derived from petroleum that are used in many hair dyes.
- Recognized as a human carcinogen - Main concern being its potential to cause cancer. - May also contain low levels of heavy metals and aluminum which are toxic to the brain
P-phenylenediamine and color names listed as FD&C or D&C followed by a color name and number.
Diethanolamine (DEA) and its compounds are used to make cosmetics creamy and increase lather. It also acts as a pH adjustor. Similar ingredients are Triethanolamine (TEA) and Ethanolamine (MEA).
- Large amounts have been shown to cause liver cancers - Has also shown precancerous changes in skin and the thyroid glad
Parabens are a type of preservative used in cosmetics. The most commonly used are butylparaben, methylparaben, and propylparaben.
- Interfere with hormone function - Have been detected in human breast cancer tissues - Can also interfere with male reproductive functions
Siloxanes are used in cosmetics to soften, smooth, and moisten. Types of siloxanes: cyclotetrasiloxane (D4) & cyclopentasiloxane (D5)
- Toxic and persistent. Persistent meaning they are hard to breakdown and can harm marine wildlife when flushed or drained. - D4 may impair human fertility. - D5 has been shown to cause uterine tumors and harm the reproductive and immune systems.
SLS & SLES
Sodium Lauryl Sulfate (SLS) and Sodium Laureth Sulfate (SLES) are used in cosmetics as detergents. - Make products foam and bubble. - Commonly found in shampoos, shower gels and dish soap.