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Despite legal and safety issues, skin-lightening cosmetic products—including hazardous mercury-containing cosmetics—are in increasing demand in Indonesia. Perceptions of beauty may result in desires to have lighter skin tones, regardless of the safety of these cosmetics, which block the production of melanin and thus lighten skin tone. This study investigated Hg exposure of students using skin-lightening cosmetics and assessed the health issues. A total of 105 female students were given a questionnaire regarding their use of cosmetics; a further 43 students formed a non-cosmetic-user control group. Their scalp hair and cosmetic products were analyzed by particle-induced X-ray emission (PIXE) spectroscopy. The geometric-mean hair Hg concentration for the cosmetics-using students was 6.7 µg g−1—three times that of the control group (2.3 µg g−1). Of twenty-seven cosmetic samples were analyzed, twenty had Hg concentrations of 0.12–7834.4 µg g−1 (mean 554.6 µg g−1), and seven had no detectable Hg. The hair Hg concentrations exhibited a statistically significant correlation with cosmetic Hg concentration. The health assessments indicated only rigidity &amp; ataxia and irregular eye movement were prevalent in the cosmetic-using students with less than 7% occurrences.

Mercury Exposure and Health Problems of the Students Using Skin-Lightening Cosmetic Products in Makassar, South Sulawesi, Indonesia