- Weightlessly soothes and nourishes to condition hair. Inspired by the anti-bacterial and calming properties of the Mint Leaf, Biolage SCALPSYNC Scalp Conditioner weightlessly soothes and nourishes to condition hair and promote a healthy-looking scalp. - Weightlessly soothes and nourishes to condition hair - Promotes healthy looking hair and scalp. After SCALPSYNC Shampoo, apply to wet hair. Leave in 1-3 minutes. Rinse thoroughly.