L'Oréal Professionnel Keratin Alpha Sleek Mask 250ml is a professional intensive hair mask designed to deeply nourish, hydrate and smooth frizz-prone hair while helping control unwanted volume. Formulated with Keratin Alpha Shaper and Amino Acid Chains, this rich treatment helps reshape the hair fibre from within, leaving hair noticeably softer, shinier and easier to manage.
When used as part of the complete Keratin Alpha Sleek routine, the mask helps deliver up to 2 weeks of smooth, frizz-controlled hair, while reducing frizz by up to 84%, increasing shine by up to 74%, and boosting hydration by up to 61% based on instrumental testing. Its alcohol-free, artificial colourant-free formula is suitable for all hair types, especially unruly, dry or frizz-prone hair.
Key Features
- Professional anti-frizz smoothing hair mask
- Deeply nourishes and hydrates dry, frizzy hair
- Formulated with Keratin Alpha Shaper and Amino Acid Chains
- Helps reshape and smooth the hair fibre
- Helps provide up to 2 weeks of frizz and volume control as part of the complete routine
- Up to 84% less frizz*
- Up to 74% more shine*
- Up to 61% more hydration*
- Softens hair without weighing it down
- Alcohol-free and artificial colourant-free
- Suitable for all hair types
*Based on instrumental testing.
How to Use
- Shampoo hair with L'Oréal Professionnel Keratin Alpha Sleek Shampoo.
- Apply the mask evenly through the mid-lengths and ends.
- Leave on for 5 minutes.
- Rinse thoroughly.
- Use on regular wash days, alternating with the Keratin Alpha Sleek Smooth Transformer as recommended for the complete routine.
- Finish with the Keratin Alpha Sleek Mirror Sleek Serum before blow-drying for optimal smoothness and shine.