Read instructions thoroughly before use and use only as directed. This product is not intended for use on eye brows or lashes; to do so may cause blindness. Not for use on facial hair or body hair. Wear gloves when mixing or applying product & always use with adequate ventilation. Eye protection may also be advisable. Mix product in a non-metallic bowl using non-metallic utensils. Bowl must be thoroughly cleaned of all residue prior to mixing to avoid chemical reaction.