Achieve a smooth, glossy, salon-worthy finish with L'Oréal Professionnel Keratin Alpha Sleek Mirror Sleek Serum. This lightweight, heat-activated serum is designed to seal the hair structure, helping to control frizz, reduce unwanted volume, and deliver long-lasting smoothness. Formulated with Keratin Sealer 5%, it helps create a sleek, polished finish while providing heat protection up to 230°C and humidity protection. Hair is left instantly shinier, softer, and easier to style, with smoother results lasting up to 10 washes when used as part of the complete Keratin Alpha Sleek routine. Perfect for all hair types needing extra smoothness, shine, and control.
