Dry, devitalized, and dull hair will look neat and healthy again because of the lotion's active ingredients' restructuring and regenerating properties. Dry, devitalized, and dull hair will look neat and healthy again because of the lotion's active ingredients' restructuring and regenerating properties. Petroleum works to stimulate blood flow on the scalp and adds moisture and nourishment to the hair's length. Using a pad, the lotion is applied to the hair and scalp. Give it at least three to four hours to work, then rinse it off. For two to three months, it is used once or twice a week.