Revivogen Thickening Conditioner Is A Protein-Rich Moisturizing Conditioner That Softens And Strengthens Hair While Helping To Create A Thicker, Fuller Head Of Hair. The Natural Wheat, Silk And Soy Proteins In This Formula Coat The Hair Shaft, Protecting It From The Harmful Environmental Factors That Lead To Premature Shedding, While Instantly Producing A Thicker, Thicker Appearance. Natural Extracts, Including Menthol, Chamomile, Sage, And Peppermint, Create A Refreshing Scent.