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10 Final Report on the Safety Assessment of Cholesterol

The normal metabolism and excretion of Cholesterol is well documented in man and experimental animals. Cholesterol is not a significant dermal or ocular irritant. Cholesterol does not appear to have any genotoxic activity in bacterial or mammalian cell in vitro mutagenic and transformation assays. High doses of Cholesterol were teratogenic in rats. Cholesterol has not been established as a promoter, cocarcinogen, or total carcinogen.

Clinical studies to evaluate the safety of topically applied Cholesterol were restricted to products formulated with the ingredient. Most products were moisturizers containing 1.4% Cholesterol. The highest concentration of Cholesterol tested (6%) was evaluated in a modified prophetic test (110 subjects) and an RIPT (45 subjects); both assays had UVA and UVB exposure incorporated into the protocols. The Cholesterol-containing products were minimal to mild primary and cumulative skin irritants but not sensitizers or photosensitizers.

International Journal of Toxicology, Vol. 5, No. 5, 491-516 (1986)
DOI: 10.3109/10915818609141922


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