EWG Study #10, cosmetic chemicals in teens

health & safety concerns:
chemicals found
on average indivi-
dual range
entire group
Immune system (including sensitization and allergies) 5 5-7 7
Respiratory system 4 4-4 4
Chronic effects, general 3 2-4 4
Endocrine system 2 1-4 4
Skin 1 1-2 2
Gastrointestinal (including liver) 1 1-1 1
Reproduction and fertility 1 1-1 1
Cancer 1 1-1 1

Group members:

(20 People)

Anonymous Teen 20
Emma Spencer
Erin Schrode
Anonymous Teen 21
Sydney Blankers
Sarah Oswald
Asta Haman-Dicko
Laurie Mittelmann
Jenny Gilbertson
Anonymous Teen 11
Anonymous Teen 9
Christa Heffron
Caroline Burlingame
Monica Paulson
Donalin Cazeau
Natalie Klapper
Jessica Assaf
Hope Atkins
Rizza Alcaria
Alex Wells


San Rafael, CA
Ross, CA
San Leandro, CA
Tuolumne, CA
Manteca, CA
Washington, DC
Austin, TX
Winchester, MA
Portland, OR
San Francisco, CA
Belmont, CA
Los Angeles, CA
Palm Beach Gardens, FL
Langhorne, PA
North Caldwell, NJ
University Place, WA
Dorchester, MA
Novato, CA

picture of group

Group: EWG Study #10, cosmetic chemicals in teens
Found 16 of 25 tested chemicals (20 participants)

The blood and urine of the "EWG Study #10, cosmetic chemicals in teens" group contained 16 of 25 industrial compounds, pollutants and other chemicals tested, including chemicals linked to immune system toxicity, respiratory system toxicity, and chronic effects.

Summary of chemicals found in EWG Study #10, cosmetic chemicals in teens

chemical family level found in group health effects exposure routes
Parabens35% high
50% moderate
15% low
Personal care products, some foods, beverages, and medications
Triclosan30% high
70% moderate
Endocrine system, Skin Antibacterial soap, toothpaste, cosmetics, cleaning products, shoe insoles, plastic cutting boards, other antibacterial items
Phthalates20% high
65% moderate
15% low
Endocrine system Cosmetics, paint, soft plastic, food packaging, and other consumer products
Nitro- and polycylic- musks12% high
41% moderate
18% low
Endocrine system, Cancer Cosmetics, perfumes, cleaning agents, detergents, soaps

Test results by chemical family (see each chemical)


6 of 6 found — see each chemical

Preservatives in cosmetics. Cause skin irritation and allergies. May be linked to hormone disruption and breast cancer.

8.39ug/g creatinine in urine3820

Total Parabens


1 of 1 found

Antibacterial agent (pesticide) in liquid hand soap, toothpaste, cosmetics, cleaning products, footwear, and plastic products labeled "antibacterial." Triclosan may disrupt thyroid hormones, and can form several chemicals with health and environmental concerns.

0.43ug/g creatinine in urine350


7 of 7 found — see each chemical

In cosmetics, paint, and plastics. Linked to sperm damage and birth defects of male reproductive system.

102ug/g creatinine in urine10800

Total Phthalates

nitro- and polycylic- musks

2 of 11 found — see each chemical

Fragrance ingredients. Build up in human tissues. May harm hormone system.

0.0547ng/g in blood serum4.23

Total Nitro- and polycylic- musks


[1] CDC (2005). National Report on Human Exposure to Environmental Chemicals, Centers for Disease Control. (Methylmercury results have been compared to total mercury in CDC biomonitoring.)