... crystal, spicy special . soluble in methanol, ethanol and in hot water ,dissolved in cold water. Melting point-51 ... Cosmetics, Drugs, Toothpaste(1) add 0.25% in the frost, can promote facial blood circulation of ... hair growth.(3) add 0.25% to mask in liquid, can make skin white and tender age, ... to acne.(5) added 0.3% in the toothpaste, containing liquid, you can acetanilide detumescence, dental caries, ...