about this participant:

Rizza Alcaria, a student from Manteca, CA, participated in the 2007 biomonitoring investigation entitled "EWG Study #10, cosmetic chemicals in teens." She gave blood and urine for the study on May 14, 2007 at age 19.

Related links:

Manteca, CA

Participant's groups:

Teen, Female


EWG Study #10, cosmetic chemicals in teens

Sample Date:

May 14, 2007

health & safety concerns:
chemicals found in this person
Immune system (including sensitization and allergies)6
Endocrine system4
Respiratory system4
Chronic effects, general4
Gastrointestinal (including liver)1
Reproduction and fertility1

picture of Rizza Alcaria

Participant: Rizza Alcaria
Found 15 of 25 tested chemicals

Rizza Alcaria's blood and urine contained 15 of 25 industrial compounds, pollutants and other chemicals tested, including chemicals linked to immune system toxicity, endocrine system toxicity, and respiratory system toxicity.

Summary of chemicals found in Rizza Alcaria

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
PhthalatesmoderateEndocrine 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

2 of 11 found — see each chemical

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

  • cumulative level found: 0.785 ng/g (wet weight) in blood serum
  • Moderate vs 42 tested in EWG/Commonweal studies (72nd %ile)
0ng/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: 155 ug/g creatinine in urine
  • Moderate vs 28 tested in EWG/Commonweal studies (58th %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: 463 ug/g creatinine in urine
  • Moderate vs 72 tested in EWG/Commonweal studies (66th %ile)
  • Moderate vs 8,020 tested in CDC biomonitoring [1] (67th %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: 350 ug/g creatinine in urine
  • High vs 28 tested in EWG/Commonweal studies (99th %ile)
  • High vs 2,612 tested in CDC biomonitoring [1] (96th %ile) (comparison based on congeners tested by CDC)
0ug/g creatinine in urine350

Chemicals not found in Rizza Alcaria

10 chemicals

Musk xylene, Musk tibetene, Musk moskene, Musk ambrette, Traseolide, Tonalide, Phantolide, Celestolide, Cashmeran, 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.)

See results for this participant's group