1. Prefixes Ethyl, Methyl, Butyl or Propyl
Common Name: Parabens
Why You Should Avoid It: Endocrine disrupters that mimic estrogen; linked to weight gain and breast cancer
Found In: Lotions and shampoos

2. Fragrance, DEHP, DHP, DBP 5, Dibutyl Phthalate
Common Name: Phthalates
Why You Should Avoid It: Sperm damage, infertility
Found In: Nail polish, shampoo, deodorant, lotion

3. Dyes: Blue 1, Green 3, Yellow 5 & 6, Red 33
Common Name: Coal tar
Why You Should Avoid It: Carcinogenic
Found In: Hair color, medicated shampoos

4. Triclosan, Chloro, Phenol, Irgasan
Common Name: Triclosan
Why You Should Avoid It: Endocrine and thyroid disrupter; promotes antibiotic-resistant bacteria; bioaccumulates in the body
Found In: Antibacterial soap, shampoo, facial cleanser, toothpaste, deodorant

5. 3-(4-methylbenzylidene)-camphor (4-MBC), octyl-methoxycinnamate (OMC), octyl-dimethyl-PABA (OD-PABA), bexophenome-3 (Bp-3), homosalate (HMS)
Common Name: Sunscreen chemicals
Why You Should Avoid It: Estrogenic activity; enhances the potential for pesticides to penetrate the skin
Found In: Sunscreens

Polyethylene glycol (PEG, PPG, Cocoate), propylene glycol, polyoxyethylene, polyethoxyethylene, polyethoxyethylene mineral oil

Common Name: Petroleum byproducts
Why You Should Avoid It: Carcinogen; liver and kidney effects
Found In: Lotions

Common Name: Derivative of petroleum
Why You Should Avoid It: Endocrine disrupter; carcinogen
Found In: Lotions

Lead acetate, thimerosal, mercurius solubilis, mercurius sublimates, mercurius corrosives, mercuric chloride
Common Name: Lead and mercury
Why You Should Avoid It: Found in higher levels in women with breast cancer; neurotoxin
Found In: Hair color, wound treatments, artificial tears

Common Name: Propellant made from petroleum processing
Why You Should Avoid It: Carcinogen
Found In: Moisturizer, shaving cream, foot spray, breath freshener

Common Name: Placenta, placental enzymes, placental extract
Why You Should Avoid It: Filled with hormones that upset your own balance and increase estrogen
Found In: Skin and hair conditioner

Nano zinc oxide <100mm Common Name: Nanoparticles Why You Should Avoid It: The safety of nanoparticles has not been tested, but they can cross the blood/brain barrier and move along nerves. Found In: Sunscreens, lotions Read more: http://www.care2.com/causes/top-10-ingredients-that-dont-belong-in-your-bathroom.html#ixzz26iftRz4m