This alcohol linitment is made from all natural herb extracts, it's healthy and free of side effect. What's more, they were proven to have no side effect, no toxic constituents, no abnormal and mutation inducing effect. The safety experiment results were obtained from rat oral LD50, rat skin and eye stimulation, rat spine and reproductive cell chromosome test, rabbit skin test, AMES test, and toxic material analysis by Chinese Disease Prevention Research Institute, Epidemic Prevention Institute of Beijing City, Zhejiang Province and Henan Province, and Beijing Cosmetic Product Quality Inspection Institute. All quality indexes are accorded with the Chinese Cosmetic Standard GB7916-89.