L'Oreal Professionnel Keratin Alpha Sleek hair mask is a professional mask for instant smoothing and shine. Visibly less frizz after just 1 use and up to 3x less unwanted volume.**

A professional mask for deep nourishment, smoothing, and shine. Its rich, sensorial texture visibly reduces frizz* and provides up to 4x less unwanted volume* after just one use. When combined with the complete routine, it helps reprogram hair for up to 2 weeks of frizz control. It softens and intensely hydrates, providing a radiant shine that lasts up to 100 hours***. It helps protect hair from breakage and improves softness from the first application***. No artificial colorants. Suitable for all hair types.

Keratin Alpha Sleek: Our first hybrid technology for hair texture and care. It acts on the alpha-keratin level of the cuticle for immediate smoothness.

 
Why will you love it?

• Visibly less frizz after the first use*
• Up to 3x less unwanted volume*
• Faster, easier styling — in half the time**
• Shine that lasts up to 5 days*
• Helps protect hair from breakage and improves softness from the first use***
• Free from artificial colorants and alcohol
• Suitable for all hair types
   

How does it work?
The rich, creamy formula coats the hair fiber, smoothing the cuticle and locking in moisture for silky softness and volume control. In synergy with the recommended routine (Shampoo + Smooth Transformer + Leave-on), it enhances the smoothing effect and saves time during daily styling.**

How to use?
After shampooing, apply to towel-dried hair from mid-lengths to ends. Leave on for 3–5 minutes (longer if needed for coarser, thicker hair), then rinse thoroughly. For optimal results, use as part of the complete routine with Smooth Transformer and Leave-on.**

 
*Instrumental test. **Instrumental tests with a routine of 4 applications: Shampoo + Smooth Transformer + Leave-on. ***Instrumental test after one application of shampoo, mask, and serum.

INGREDIENTS:

AQUA / WATER / EAU • CETEARYL ALCOHOL • BEHENTRIMONIUM CHLORIDE • CITRIC ACID • CETYL ESTERS • GLYCERIN • GLYCINE • ISOPROPYL ALCOHOL • AMINOPROPYL DIMETHICONE • POTASSIUM HYDROXIDE • ISODODECANE • PHENOXYETHANOL • BIS(C13-15 ALKOXY) PG-AMODIMETHICONE • BUTYROSPERMUM PARKII BUTTER / SHEA BUTTER • STEARETH-100 • PROPYLENE GLYCOL • HYDROXYPROPYL GUAR • PEG-150/DECYL ALCOHOL/SMDI COPOLYMER • TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES • POLYQUATERNIUM-37 • LINALYL ACETATE • PROPYLENE GLYCOL DICAPRYLATE/DICAPRATE • CHLORHEXIDINE DIGLUCONATE • CARVONE • CITRUS LIMON PEEL OIL • LIMONENE • COUMARIN • LINALOOL • CITRUS AURANTIUM BERGAMIA PEEL OIL • BUTYLENE GLYCOL • PPG-1 TRIDECETH-6 • PINENE • ACRYLATES/STEARYL METHACRYLATE COPOLYMER • SORBITAN OLEATE • CARBOMER • SODIUM LACTATE • TAURINE • POLYSORBATE 20 • EDTA • PALMITOYL TRIPEPTIDE-1 • PALMITOYL TETRAPEPTIDE-7 • PARFUM / FRAGRANCE N70061785/1