ANTIDOT PRO reliefs redness & itching of the scalp. It is a professional additive that cares for the health of the scalp. Reduces redness and itching of the scalp and recovers and protects the skin's moisture barrier. It has 12 natural active ingredients that contain antihistaminic, anti-inflammatory and hydrating properties to maintain the health of the follicle and scalp. It can be added to hair color, bleach, perm, chemical straightening or keratin, repair treatment, or any other chemical treatment that can cause discomfort to the scalp. To determine the amount to add to the application of the chemical, take the total amount in ml and divide by 6 and in very sensitive clients divide by 4, then apply to the hair as usual.