René Furterer Tonucia Toning and Densifying Shampoo with Stimulating Essential Oils (For Distressed, Thinning Hair) has the following features: This gel-like texture shampoo seals strands with precious biospheres of stimulating essential oils to revitalize hair fibers from the roots down. Your hair is recharged, visibly denser, thicker and stronger. 86% of users felt their hair is softened and 80% said it becomes easy to style hair.* *Tested on 68 women with colored hair over 15 days