Many women may allergic reactions from the cosmetic because some cosmetics have some ingredients are hazardous chemicals such as Mercury, Steroid, etc. So I offer how to detect your cosmetics by your self in 4 steps. First, mix the water and detergent until be cream. Second , smear cosmetic on a facial tissue. Third, pour the mixed of water and detergent down on the cosmetic that smeared on a facial tissue.
Finally, wait 5 minutes if cosmetic’s color have change to brown,dark brown or black ,that cosmetic have ingredients is Mercury.