L'Oréal Professionnel's Mirror Sleek Keratin Alpha Sleek Serum is a high-performance finishing treatment that seals the hair fiber, providing smoother, more manageable, and protected hair. Formulated with 5% Keratin Sealer, this serum works on the hair structure to align the cuticle and create a protective barrier against humidity, guaranteeing frizz and volume control for up to 10 washes. Activated by heat, it transforms hair during drying, offering a professional finish with mirror-like shine, lasting smoothness, and greater control, even in humid environments. Its lightweight formula also provides thermal protection up to 230°C, making it essential for those who regularly use a hairdryer or straightener.
• Seals the hair fiber for a long-lasting smooth effect.
• Controls frizz and volume for up to 10 washes
• Effective even with up to 80% humidity
• Thermal protection up to 230°C
• Mirror-like shine and polished finish
• Reduces styling time by up to 50%
• Softer, more manageable, and stronger hair
• Alcohol-free and free of artificial colors
After using the Smooth Transformer or the Keratin Alpha Sleek Mask :
• Detangle damp hair and divide it into 4 sections.
• Apply 2 to 3 pumps per section.
• Distribute evenly through the lengths and ends .
• Do not rinse
Activate with heat:
• Dry with a hairdryer
• For a more lasting result, finish with a plate.
