Thickens Strengthens, For Thinning Hair DESCRIPTION Shampoo for thinning hair gently cleanses the scalp and helps strands look and feel fuller. BENEFITS Color Safe. Vegan. Sulfate Free (without SLS, SLES, ALS). Paraben Free. Gluten Free. SUGGESTED USE Apply a small amount to wet hair. Lather and rinse completely. For best results, use with Regeniplex Conditioner and Tonic.