For Professional Salons Only! We take science and art to the max with this incredible longer-lasting hair smoothing, de-frizzing formula and service. Keep your clients silky smooth and shiny for 3 – 5 months! Used by the industries top stylists, our keratin treatment penetrates deeply into the hair follicle, adding moisture and other natural key nutrients. Safe to use on all hair types including color-treated and relaxed hair. Keratin products are non-vegan