An essential post Keratin treatment that helps seal in moisture. Boosts shine and helps improve manageability. Sodium free. A unique post Keratin treatment leave-in serum that aids with styling and boosts shine. Adds definition & luster to hair while it fights against the effects of humidity. Binds moisture into hair follicles; facilitates easier blow-drying & styling of hair. Suitable to use after any La-Brasiliana Keratin Treatment to maintain integrity and longevity of treatment. Apply on wet hair, work evenly throughout hair from scalp to ends. No need to rinse. Can be used on dry hair to boost definition & control. Sodium Free.