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

The Keratin Alpha Sleek Mirror Sleek Serum is a breakthrough innovation designed to transform your hair texture for up to two weeks of smoothness, frizz control, and volume management. Powered by an advanced 5% Keratin Sealer complex, this heat-activated serum redefines the standard for at-home smoothing, allowing you to achieve salon-quality results that last through multiple washes.

Key Benefits

• Two-Week Transformation: When used as part of the full Keratin Alpha Sleek routine, this serum provides up to 2 weeks of disciplined, smooth, and frizz-controlled hair.

• Long-Lasting Performance: Keeps hair smooth and controls volume for up to 10 washes.

• Heat-Activated Protection: Provides thermal protection up to 230°C (450°F) while working with your dryer and straightener to seal the hair fiber for a mirror-like shine.

• Efficient Styling: Dramatically reduces your daily styling time by half, making it easier to manage even the most resistant hair types.

• Environmental Shield: Effectively resists up to 80% humidity, preventing frizz and "puffiness" throughout the day.

• Clean Formula: Free from artificial colorants and alcohol, ensuring a gentle yet powerful treatment for all hair types.

The Innovation: Keratin Alpha Technology

Unlike traditional smoothing treatments that only coat the surface, this serum works at the Keratin Alpha level—the deepest structural protein in your hair—to reshape the hair fiber's internal chains. This process provides a more fundamental and enduring change to the hair’s smoothness, strength, and geometry without using actual animal-derived keratin.

Simple How to Use

1. Prep: Shake well before use. On clean, towel-dried hair, detangle and section into two parts.

2. Apply: Spray 2–4 times for thin to medium hair, or 6–8 times for thicker hair. Rub your hands together and distribute the product evenly from mid-lengths to ends.

3. Activate: Do not rinse. This serum is heat-activated. Blow-dry your hair thoroughly, and use a straightening iron to "lock in" the formula for maximum longevity and mirror-like smoothness.

Why the 50ml Size?

• Precision-Engineered Concentration: This professional-grade formula is highly potent; the 50ml bottle is designed for concentrated, targeted application, providing enough product to maintain your smooth, frizz-free look for weeks of treatment cycles.

Experience the power of #AlphaSleeked hair. Mirror Sleek Serum is the definitive choice for anyone who refuses to settle for frizz and demands a sophisticated, high-gloss, and exceptionally smooth finish that lasts.