Beta Carotene and Collagen shampoos It is an immediate restructuring product for dry, dry hair, treated with highly alkaline products such as dyes, perms, bleaches. It can be used to attenuate the pH of both permanent and dye to make them self-protective. It performs a decongestant, anti-reddening action, facilitates combing, leaving the hair bulky and restructured. After washing it is recommended to apply a "vial of beta-carotene and collagen".