L'Oreal Serie Expert Keratin Alpha Sleek Serum 50ml

The serum helps to fight against up to 80% humidity³ with heat protection up to 230°C (450°F)⁴, controlling unwanted volume for daily styling in half the time⁵. Heat-activated. Dry with hair dryer. Use straightening iron for longer lasting results. This serum is artificial colorant free, and alcohol free. ¹Instrumental test after 1 application of shampoo, mask & serum. ² Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation. ³Instrumental tests, with full routine after 4 uses of the Smooth Transformer. ⁴Instrumental tests. ⁵Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on. Note: Keratin is an animal-derived ingredient, also found in human hair. This product does not contain Keratin. Precautions: Shake before use. Store in a cool and dry area. Clean and lock the pump after each use. In case of contact with eyes, rinse carefully with water. The evolution of fragrance over time is expected due to the potency nature of the ingredients, it is important to note that this change does not affect its efficacy. The reason of the fragrance evolution is due to the interaction of oxygen vs the potent actives (Alpha Silane) in the base formula. We advise to apply the product to wet hair before applying heat for optimal fragrance

Keratin Alpha Sleek Mirror Sleek Serum by L'Oréal Professionnel, formulated with Keratin Sealer 5%. The Mirror Sleek serum seals the hair’s keratin structure to control unwanted volume and deliver instant shine that lasts up to 5 days¹. When used with the full routine, it will reprogram hair for up to 2 weeks of frizz control². The serum helps to fight against up to 80% humidity³ with heat protection up to 230°C (450°F)⁴, controlling unwanted volume for daily styling in half the time⁵. Heat-activated. Dry with hair dryer. Use straightening iron for longer lasting results. This serum is artificial colorant free, and alcohol free. ¹Instrumental test after 1 application of shampoo, mask & serum. ² Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation. ³Instrumental tests, with full routine after 4 uses of the Smooth Transformer. ⁴Instrumental tests. ⁵Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on. Note: Keratin is an animal-derived ingredient, also found in human hair. This product does not contain Keratin.