RENEW heals damaged and over-processed hair by naturally closing the cuticle with a powerful amino acid complex. RENEW promotes the appearance of thicker, fuller, and longer hair. RENEW IS BEST SUITED FOR: Those with heat-damaged hair Those wanting hair to look longer Those with colored or chemically treated hair (ACT/IV is keratin safe) HOW TO USE: Use every other day Apply shampoo treatment to scalp and massage throughout hair Leave shampoo treatment on for 5 full minutes, then rinse thoroughly. Apply conditioner and rinse when done