Do not use this product with a razor. Follow directions carefully. This product may cause skin irritation. If skin is inflamed or has skin abrasions, facial sores or pustules, consult a dermatologist before using this product. Wait 36 hours after using a razor, shaving product or device. Do not use after perspiring heavily. Do not wash face before use. Do not use after prolonged sun exposure. Do not use with any after-shave product containing alcohol. Timing is critical to avoid excessive irritation.