GENTLEMEN'S TONIC PROTEIN CONDITIONER (250ML) This Protein Conditioner by Gentlemen's Tonic is heavily infused with protein enriched active ingredients that aim to promote soft & healthy hair. Expect hair to be nourished & manageable. This Gentlemen's Tonic Protein Conditioner is suitable for all hair types boasts a formula that both protects & strengthens hair, as well as detangles it. Use with the Gentlemen's Tonic Daily Shampoo to significantly improve the look & feel of your hair.