Lights Co Scalp Revitalizing Pre-shampoo by Semi di Lino is a revitalizing pre-treatment for dry scalps with impurities. It hydrates the scalp and helps reduce feelings of dryness, itchiness, tingling and tightness. It has a pleasant fresh sensation during use and, leaves the scalp feeling clean and the hair more lightweight. From the very first application, it helps remove dry dandruff, improving the overall appearance of the hair and scalp.