L’Oreal Professionnel Keratin Alpha Sleek Smooth Transformer Hair treatment is a professional smoothing treatment that provides up to 5x smoother hair and up to 2x less frizz, while reducing unwanted volume and allowing for daily styling in half the time*.**

When combined with the complete routine, it provides up to 2 weeks of frizz control***. After 4 applications, improved hair discipline at the keratin level (alpha-keratin) has been confirmed, resulting in a complete transformation of the fiber****.

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

 
Why will you love it?

• Smoothing: Up to 5x smoother hair surface compared to initial state*
• Frizz control: Up to 2x less unwanted frizz*
• Volume control and time-saving: Daily styling in half the time**
• Durability: Up to 2 weeks of frizz control when using the complete routine (Shampoo + Treatment + Leave-in)***

Progressive improvement: After 4 applications, increased discipline and fiber homogeneity at the alpha-keratin level are measured****
 

Key Benefits:

• Up to 5x more smoothness*
• Up to 2x less frizz*
• Faster styling (in half the time)**
• Long-lasting frizz control for up to 2 weeks with the routine***
• Observed hair discipline improvement at the keratin level (alpha-keratin) and fiber transformation after 4 uses****

How to use:

Smooth Transformer is a smoothing treatment with a progressive effect: the more regularly you use it, the better the results.

Use once a week. Shake well before use.
Apply evenly after shampooing (use 30–50 g per application, depending on hair thickness and length).
Leave on for 10–15 minutes, then rinse thoroughly.
Complete the routine with Keratin Alpha Sleek Serum.
Technology Activation: To activate the smoothing technology, blow-dry hair completely. For longer-lasting results, use a hair straightener (flat iron).
In case of contact with eyes, rinse them immediately and thoroughly.

 
Recommended routine for maximum results:

Step 1: Shampoo
Step 2: Smooth Transformer (Smoothing Treatment)
Step 3: Leave-in care (Serum)
Apply 4 consecutive times for optimal effect.*

 
*Instrumental test after 4 uses of Smooth Transformer. **Instrumental tests with a routine of 4 applications: Shampoo + Smooth Transformer + Leave-in. ***Instrumental test on 68 participants, after 4 applications of Shampoo, Transformer, and Leave-in; based on observations after a 15-day break. ****Consumer test on 68 participants, 1 application per week for 4 weeks; based on observations after a 15-day break.

INGREDIENTS:

1258152 S3 - INGREDIENTS: AQUA / WATER / EAU • CETEARYL ALCOHOL • COCOS NUCIFERA OIL / COCONUT OIL • BEHENTRIMONIUM CHLORIDE • ISONONYL ISONONANOATE • CETYL ESTERS • PARFUM / FRAGRANCE • ETHANOLAMINE • ISOPROPYL ALCOHOL • CYSTEINE • DIMETHICONE • HYDROXYETHYLCELLULOSE • PHENOXYETHANOL • SODIUM METABISULFITE • AMODIMETHICONE • ASCORBIC ACID • TRIDECETH-10 • TRISODIUM ETHYLENEDIAMINE DISUCCINATE • PEG-100 STEARATE • ROSE KETONES • STEARETH-6 • TAURINE • TRIDECETH-3 • GLYCERIN • BUTYLENE GLYCOL • DISODIUM PHOSPHATE • ACETIC ACID • POLYSORBATE 60 • SODIUM PHOSPHATE • CARBOMER • SODIUM LACTATE • POLYSORBATE 20 • PALMITOYL TRIPEPTIDE-1 • PALMITOYL TETRAPEPTIDE-7 (F.I.L. N70068431/1)