Product Details

The L'Oréal Professionnel Serie Expert Keratin Alpha Sleek Mirror Sleek Serum is the final "protection" step in the Keratin Alpha Sleek professional smoothing system. It is a heat-activated leave-in treatment specifically designed to lock in the smoothing effects of the range while adding intense, mirror-like shine.Key Benefits & TechnologyKeratin Sealer 5%: Formulated with a 5% Keratin Sealer technology, it coats the hair's outer layer to seal the keratin structure from within.Frizz & Volume Control: Provides long-lasting frizz and volume control for up to 10 washes.Heat & Humidity Protection: Offers heat protection up to 450°F (230°C) and anti-humidity defense in up to 80% humidity.Time Saving: Cuts daily styling and blow-dry time in half.Clean Formula: The serum is alcohol-free and does not contain artificial colorants.