about this participant:

Linda Loi, a student from San Francisco, CA, participated in the 2007 biomonitoring investigation entitled "EWG Study #10, cosmetic chemicals in teens." She gave blood and urine for the study on August 13, 2007 at age 16.

Related links:
Location:

San Francisco, CA

Participant's groups:

Teen, Female

Study:

EWG Study #10, cosmetic chemicals in teens

Sample Date:

August 13, 2007



health & safety concerns:
chemicals found in this person
Immune system (including sensitization and allergies)6
Respiratory system4
Chronic effects, general4
Endocrine system3
Skin2
Cancer1
Reproduction and fertility1



picture of Linda Loi

Participant: Linda Loi
Found 13 of 25 tested chemicals

Linda Loi's blood and urine contained 13 of 25 industrial compounds, pollutants and other chemicals tested, including chemicals linked to immune system toxicity, respiratory system toxicity, and chronic effects.

  • This participant's samples show above average levels of Parabens, compared to all others in EWG studies

Summary of chemicals found in Linda Loi

chemical family level found health effects exposure routes
Nitro- and polycylic- musksmoderateEndocrine system, Cancer Cosmetics, perfumes, cleaning agents, detergents, soaps
Parabensmoderate Personal care products, some foods, beverages, and medications
Phthalateslow Cosmetics, paint, soft plastic, food packaging, and other consumer products
TriclosanmoderateEndocrine 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

2 of 11 found — see each chemical

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

  • cumulative level found: 0.268 ng/g (wet weight) in blood serum
  • Moderate vs 42 tested in EWG/Commonweal studies (43rd %ile)
0ng/g (wet weight) in blood serum4.23


Total Nitro- and polycylic- musks

parabens

4 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: 266 ug/g creatinine in urine
  • Moderate vs 28 tested in EWG/Commonweal studies (65th %ile)
8.39ug/g creatinine in urine3820


Total Parabens

phthalates

6 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: 102 ug/g creatinine in urine
  • Low vs 72 tested in EWG/Commonweal studies (2nd %ile)
  • Low vs 8,020 tested in CDC biomonitoring [1] (12th %ile) (comparison based on congeners tested by CDC)
102ug/g creatinine in urine10800


Total Phthalates

triclosan

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: 0.928 ug/g creatinine in urine
  • Low vs 28 tested in EWG/Commonweal studies (22nd %ile)
  • Moderate vs 2,612 tested in CDC biomonitoring [1] (29th %ile) (comparison based on congeners tested by CDC)
0ug/g creatinine in urine350


Chemicals not found in Linda Loi

12 chemicals

Musk xylene, Musk tibetene, Musk moskene, Musk ambrette, Traseolide, Tonalide, Phantolide, Celestolide, Cashmeran, Benzylparaben, Isopropylparaben, Monomethyl phthalate

References/Notes

[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.)

See results for this participant's group