This Alterna Caviar Anti-Aging Volume Shampoo with Seasilk Volume Shampoo is a sulfate free cleaner that provides essential amino acids to help thicken hair structure & retain moisture while protecting color & improving the overall performance of fine, brittle hair. Alterna Caviar Anti Aging Shampoo & Conditioner are clinically proven to minimize the visible signs of aging. 100% of women showed visible improvement in shine, texture, softness, & manageability after just one use.