Philip B Anti-Flake Relief Shampoo, 8oz. (pH 5.23) Take action! Alleviate itching and flaking with my deep conditioning and cleansing treatment. Medicate your scalp with the active ingredients of 1% Zinc Omadine, which packs down the loose cells (flakes), while .525% Coal Tar banishes them and helps to suppress future flaking. This potent formula is enhanced with 13.6% relief-giving plant extracts, including Aloe Vera, Tea Tree Oil, Sage, Juniper Berry and Chamomile.