L'Oréal Professional Série Expert Keratin Alpha Sleek Progressive Treatment 200 ml
L'Oréal Professional Série Expert Keratin Alpha Sleek Progressive Treatment 200 ml
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L'Oréal Professionnel Série Expert Keratin Alpha Sleek Progressive Treatment is a once-a-week professional smoothing treatment designed to reduce frizz and help control excess volume while reinforcing the hair fibre. The formula is enriched with Keratin Sleeker, amino-acid chains and Keratin-alpha shaper. These targeted ingredients work deep within the fibre to smooth and discipline your hair, making lengths and ends easier to manage and style. It helps tame unruly hair while respecting hair integrity, and it is suitable for all hair types. With weekly use, the smoothing effect is progressive, with performance peaking after around 4 weeks. The creamy, conditioning texture spreads easily for even application. The result is smoother-looking hair, less frizz and better controlled volume.
- Professional, progressive smoothing treatment
- Helps reduce frizz and control volume
- Smooths and disciplines the hair fibre
- Respects hair integrity; suitable for all hair types
- Makes blow-drying and styling easier
- For hair that looks frizzy and feels hard to control
- When you want a sleeker finish and more styling manageability
- As a weekly treatment alongside your shampoo and mask routine
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Reduced visible frizz - More disciplined, smoother-feeling hair
- Better controlled volume
How to Use
- Use once per week after shampooing (performance peaks after about 4 weeks of use).
- Shake well. Divide hair into 2 sections and apply evenly through lengths and ends, using 30–50 g depending on hair thickness and length.
- Work through carefully to ensure even distribution across each section.
- Leave on for 10–15 minutes, then rinse thoroughly.
- To activate the smoothing technology, blow-dry hair completely and then use a straightener.
- Complete the routine with Mirror Sleek Serum; alternate with a hair mask on other wash days.
- Easier styling and manageability

