Biolage ScalpSync Anti-Dandruff Shampoo Cleansing Shampoo for Dandruff Hair. Inspired by the anti-bacterial and calming properties of the Mint Leaf, this shampoo with Pyrithione Zinc helps target dandruff, control the appearance of visible flakes and relieves scalp irritation with continued use. - Eliminates dandruff. - Controls the appearance of visible flakes. - Relieves scalp irritation.