Hair removal mousse uses the chemicals in it to dissolve the hair structure for the purpose of hair removal. The hazards to the body need to be based on personal constitution and skin sensitivity, usually hair removal creams have a certain degree of corrosive, it is recommended to use with caution. The specific hazards are as follows: 1, skin allergy: the chemical composition contained in the skin irritation, frequent use or sensitive body people local easy to appear rash itching, and even cause contact dermatitis; 2, hair thickening: can only dissolve the skin surface of the hair, leaving thick hair stem, epidermis visible small black spots. Can not achieve the effect of real hair removal, but will stimulate the hair follicle, so that the hair grows more coarse and long; 3, pigmentation: hair fracture, buried in the skin inside, can form a kind of embedded hair, appearance like a goose bumps, can not grow out normally. A small number of epidermal or follicular injuries due to hair removal, so that the skin heals when the pores are blocked resulting in hair encapsulation. Frequent users can lead to inflammation of hair follicles, keratinization and roughness, pigmentation, etc. Precautions when using, must do patch test before use, need to clean the skin first to reduce irritation, frequent use or sensitive skin will cause redness and allergy, or even rash, so should be used with caution.