skin science activated charcoal & keratin shampoo gives dull, limp, thin and lifeless hair advanced cleansing, clarifying and repairing care. Powered with activated charcoal and hydrolysed keratin protein. Removes scalp buildups caused by dead cells and chemical laden hair styling products. Activated charcoal gently traps, binds and washes away buildups along with dirt and grime to cleanse hair and scalp without stripping hair's own healthy oils.