"Schwarzkopf Professional BC Bonacure Clean Balance Deep Cleansing Shampoo (250ml) is an extremely gentle shampoo formulated for all hair types which tenderly yet thoroughly cleanses the hair and scalp of impurities, build up and pollution, leave them both deeply purified. This new, vegan formula nourishes and rejuvenates the scalp whilst deeply cleansing and purifying the hair. It is good for use on all hair types, but especially hair that tends to get excessively oily. Its gentle action also makes it great as part of hair preparation for chemical treatments. Free from SLS/SLES, Silicones and artificial colours. Schwarzkopf Bonacure products are not tested on animals, and the formulas are vegan-friendly.Use this shampoo once per week.