L'Oréal Professionnel Keratin Alpha Sleek Smooth Transformer Treatment 200ml is a professional progressive smoothing treatment designed to deliver long-lasting smoothness, frizz control and enhanced shine for all hair types. Powered by Keratin Alpha Shaper and Amino Acid Chains, it works deep within the hair fibre to reshape and smooth the hair while preserving its integrity.
Used once a week as part of the complete Keratin Alpha Sleek routine, this advanced treatment helps provide up to 2 weeks of smooth, frizz- and volume-controlled hair, 5x smoother results, 2x less frizz, 77% more instant shine, and styling in half the time after continued use. The heat-activated formula is suitable for natural, coloured and chemically treated hair, leaving it silky, glossy and easier to manage.
Key Features
- Professional progressive smoothing treatment
- Formulated with Keratin Alpha Shaper and Amino Acid Chains
- Provides up to 2 weeks of smooth, frizz- and volume-controlled hair
- Delivers 5x smoother hair and 2x less frizz
- Boosts shine by up to 77%
- Reduces daily styling time by up to 50%
- Preserves hair integrity while smoothing
- Heat-activated technology for optimal performance
- Suitable for all hair types, including coloured and chemically treated hair
- Best used once weekly as part of the Keratin Alpha Sleek routine
How to Use
- Shampoo with L'Oréal Professionnel Keratin Alpha Sleek Shampoo.
- Shake the bottle well before use.
- Section the hair into two parts and apply evenly through the mid-lengths and ends.
- Use approximately 30–50g, depending on hair length and thickness.
- Leave on for 10–15 minutes.
- Rinse thoroughly.
- Blow-dry completely or use a flat iron to activate the smoothing technology.
- Finish with Keratin Alpha Sleek Mirror Sleek Serum for maximum shine and long-lasting frizz control.
- Use once a week, alternating with the Keratin Alpha Sleek Mask on other wash days.