Mirror Smooth Serum 50ml – Kératin Alpha Sleek

Mirror Smooth Serum 50ml – Kératin Alpha Sleek

The Mirror Smooth Serum 50ml Kératin Alpha Sleek by L'Oréal Professionnel is the ideal finishing touch. To enhance the hair and prolong the smoothing effect of the anti-frizz routine. Its lightweight professional formula helps seal the keratin in the hair while providing lasting protection against humidity and heat damage.

Designed for hair prone to frizz, this serum offers an ultra-shiny mirror finish without weighing down the lengths. It helps instantly smooth the hair fiber, controls flyaways and protects the hair from the heat of styling tools up to 230°C. The hair remains disciplined, fluid and radiant with shine throughout the day.

Thanks to its lightweight and silky texture, the serum penetrates quickly without leaving a greasy film. It provides softness, suppleness* and a feeling of perfectly coated hair while maintaining natural movement. Used before or after blow-drying, it makes styling easier and immediately enhances the final result.

This professional finishing treatment is perfectly suited for straightened, sensitized or humidity-exposed hair. Combined with the complete Kératin Alpha Sleek routine, it helps prolong the anti-frizz effects and maintain shiny and disciplined hair for several washes**.

Its refined fragrance with floral and woody notes transforms each application into a true beauty ritual inspired by professional salons.

Routine details: disciplining shampoo, smoothing transformative treatment, Disciplining Mask and mirror smooth serum.

*Consumer test with 67 people after 4 applications of the Keratin Alpha Sleek Smoothing Transformative Treatment.
**Instrumental test after 4 applications of the Keratin Alpha Sleek Shampoo + Transformative Treatment + Serum.

Ingredients (INCI)

1261091 B2 - INGREDIENTS: DIMETHICONE • BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE • BIS-CETEARYL AMODIMETHICONE • PARFUM / FRAGRANCE • LINALOOL • CITRONELLOL • GERANIOL (F.I.L. N70063363/1). The ingredient lists in the products of our brand are regularly updated. Before using a product from our brand, you are invited to read the ingredient list on its packaging to ensure that the ingredients are suitable for your personal use