Big is always in style. What: It moisturizes without weight, protects, and contains a silk powder which adheres to hair strands and separates for fullness. Who: Fine, thinning, limp, flyaway hair; anyone craving fullness (color compatible). When: Daily; following Thickening Shampoo. How: Comb or work through clean, wet hair and rinse thoroughly (leave in for a minute or two).