Question: what is the best shampoo for removing build up?
Answer: Christophe Robin Clarifying Shampoo. Pureology Purify Colour Care Shampoo. Bumble and Bumble Sunday Shampoo. L'Oréal Professionnel Serie Expert Instant Clear Shampoo. System Professional Purify Shampeeling. Moroccanoil Clarifying Shampoo. Joico K-Pak Clarifying Shampoo.