Biolage Cool Mint Shampoo 33.8oz / 1L Cleanses excess oil from the scalp and hair and awakens with a cool, refreshing sensation. Purify for a healthy looking, clean scalp. Inspired by the anti bacterial and calming properties of the Mint Leaf, Biolage Cool Mint Shampoo cleanses excess oil from the scalp and hair and awakens with a cool, refreshing sensation.