Keratherapy Pure Renewal PLUS+ is a truly groundbreaking, ZERO formaldehyde keratin smoothing system. This proprietary treatment is a powerful blend of carbocysteine, glyoxyloyl and amino acids, perfectly formulated to provide salons a legitimate alternative to traditional keratin treatments that contain formaldehyde. Macadamia and argan oils naturally provide omega fatty acids that repair, rebuild and nourish the hair from the inside out. Clients will experience shiny, softer, straighter, frizz-free hair in as little as 90 minutes.