L'Oréal Keratin Alpha Sleek Smoothing Hair Serum 50

Mirror Sleek Serum for long-lasting smoothness, frizz & volume control. Keratin Alpha Sleek Mirror Sleek Serum by L'Oréal Professionnel, formulated with Keratin Sealer 5%. - It seals hair keratin structure for long-lasting smoothness, volume control up to 10 washes*. - It is anti-humidity up to 80% humidity in the air*. - Heat protection up to 230°C (450°F)*. - Daily styling in half the time**. - Transform hair for 2 weeks of smooth, frizz control by using the full routine**. - Heat-activated. Dry with hair dryer. Use straightening iron for longer lasting results. - This serum is artificial colorant free, and alcohol free. - Keratin is an animal-derived ingredient, also found in human hair. This product does not contain Keratin. *Instrumental tests**Instrumental test after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum.

Product Description: L'Oréal Professionnel Keratin Alpha Sleek – Smoothing Hair Serum. A professional smoothing serum with a mirror-shine effect, designed as the final step in hair care. The formula seals the hair structure, protects against external aggressors, and provides effective thermal protection up to 230°C¹. It prevents frizz for up to 10 washes¹ and protects against humidity even at 80% humidity