about this participant:

Jenny Gilbertson, a student from Novato, CA, participated in the 2007 biomonitoring investigation entitled "EWG Study #10, cosmetic chemicals in teens." She gave blood and urine for the study on September 27, 2007 at age 17.

Related links:

Novato, CA

Participant's groups:

Teen, Female


EWG Study #10, cosmetic chemicals in teens

Sample Date:

September 27, 2007

health & safety concerns:
chemicals found in this person
Immune system (including sensitization and allergies)5
Respiratory system4
Endocrine system3
Chronic effects, general3
Gastrointestinal (including liver)1

picture of Jenny Gilbertson

Participant: Jenny Gilbertson
Found 14 of 25 tested chemicals

Jenny Gilbertson's blood and urine contained 14 of 25 industrial compounds, pollutants and other chemicals tested, including chemicals linked to immune system toxicity, respiratory system toxicity, and endocrine system toxicity.

Summary of chemicals found in Jenny Gilbertson

chemical family level found health effects exposure routes
Nitro- and polycylic- musksmoderateEndocrine system Cosmetics, perfumes, cleaning agents, detergents, soaps
Parabensmoderate Personal care products, some foods, beverages, and medications
PhthalateshighEndocrine system Cosmetics, paint, soft plastic, food packaging, and other consumer products
TriclosanhighEndocrine system, Skin Antibacterial soap, toothpaste, cosmetics, cleaning products, shoe insoles, plastic cutting boards, other antibacterial items

Test results by chemical family (see each chemical)

nitro- and polycylic- musks

1 of 11 found — see each chemical

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

  • cumulative level found: 0.362 ng/g (wet weight) in blood serum
  • Moderate vs 42 tested in EWG/Commonweal studies (50th %ile)
ng/g (wet weight) in blood serum4.23

Total Nitro- and polycylic- musks


5 of 6 found — see each chemical

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

  • cumulative level found: 591 ug/g creatinine in urine
  • Moderate vs 28 tested in EWG/Commonweal studies (75th %ile)
8.39ug/g creatinine in urine3820

Total Parabens


7 of 7 found — see each chemical

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

  • cumulative level found: 852 ug/g creatinine in urine
  • High vs 72 tested in EWG/Commonweal studies (85th %ile)
  • High vs 8,020 tested in CDC biomonitoring [1] (84th %ile) (comparison based on congeners tested by CDC)
102ug/g creatinine in urine10800

Total Phthalates


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.

  • level found: 65.9 ug/g creatinine in urine [A]
  • High vs 28 tested in EWG/Commonweal studies (97th %ile)
  • High vs 2,612 tested in CDC biomonitoring [1] (81st %ile) (comparison based on congeners tested by CDC)
ug/g creatinine in urine350

Chemicals not found in Jenny Gilbertson

11 chemicals

Cashmeran, Celestolide, Phantolide, Tonalide, Traseolide, Musk ambrette, Musk moskene, Musk ketone, Musk tibetene, Musk xylene, Benzylparaben


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

[A] Represents an average of two or more test results

See results for this participant's group