RNA Reconstructor with Elastin - Designed for daily use, this exclusive formula uses Elastin, essential amino acids and minerals to strengthen and revitalize damaged hair. These natural ingredients penetrate deeply into the cuticle layer of the hair to protect against the effects of wind, water, and the sun's damaging UV rays. Ideal for use after any chemical or color service. Helps stop breakage because it contains all known amino acids. Thermal protection for heat and blow drying.