L’Oréal Professionnel Keratin Alpha Sleek Mirror Serum 50 ml

The L’Oréal Professionnel Keratin Alpha Sleek Mirror Serum is a professional, heat-activated serum that smooths hair for a long-lasting effect, controls frizz and volume, and provides an intense mirror shine. The formula is enriched with 5% Keratin Sealer, which seals the hair structure for long-lasting smoothness for up to 10 washes.

This lightweight serum protects hair against humidity by up to 80%, provides heat protection up to 230°C and makes daily styling up to 50% faster. In combination with the full Keratin Alpha Sleek routine, hair remains smooth and frizz-free for up to 2 weeks. The serum is alcohol-free and free from artificial colorants.

Please note: keratin is an animal-derived ingredient that is also naturally present in human hair. This product contains no keratin, but works with keratin-sealing technology.

Contents

• L’Oréal Professionnel Keratin Alpha Sleek Mirror Serum 50 ml

Key features

• Professional smoothing serum

• With 5% Keratin Sealer

• Seals the hair structure for long-lasting smoothness

• Smoothness, frizz and volume control for up to 10 washes*

• Anti-humidity protection up to 80% humidity

• Heat protection up to 230°C

• Daily styling up to 50% faster

• Heat-activated formula

• Alcohol- and artificial colorant-free

Results & benefits

* Instrumental test after 4 applications of Shampoo + Smooth Transformer + Serum
** Instrumental tests

How it works

The Keratin Sealer technology forms a protective layer around the hair fiber that is activated by heat. This seals the hair structure, effectively combats frizz and keeps hair smooth, shiny and better resistant to humidity for a long time.

How to use

• Shake well before use

• Apply to washed, towel-dried hair

• Detangle the hair and divide into two sections

• Spray the serum into the palms of your hands first

  • 2–4 sprays for fine to normal hair

  • 6–8 sprays for thicker hair

• Distribute evenly through the lengths and ends

• Do not rinse out

• Activate with heat: blow-dry the hair dry

• Use a flat iron for an extra long-lasting smooth result

Specifications

• Hair type: All hair types

• Result: Smooth, frizz-free, shiny hair

• Protection: Heat up to 230°C, anti-humidity

• Use: Daily, leave-in

• Texture: Lightweight and non-weighting

• Contents: 50 ml