Similar to any other human body part, hair can be distressed and weakened. Accordingly hair needs special treament occasionally to restore its beauty and helth. PROSILK FILLER was formulated by a unique blend of SILK, alpha-hydroxy fruit acids, botanicalextracts, panthenol and keratin protein to meet the special needs of weakened and distressed hair. PROSILK treatment provides maximum strengthening and dramatic reconstructing for hair. Your hair will immediately reattain its vigor, softness, and shine.