L'Oreal SERIE EXPERT Keratin Alpha Sleek Serum 50mL
Heat-Activated Formula for Long-Lasting Smoothness.
L'Oréal Professionnel Serie Expert Keratin Alpha Sleek Serum 50mL
Lock in smooth, glossy hair with L'Oréal Professionnel Serie Expert Keratin Alpha Sleek Serum 50mL. This heat-activated smoothing serum helps seal the hair fibre to deliver long-lasting frizz control, humidity protection and brilliant shine while protecting hair from heat styling.
Formulated with 5% Keratin Sealer, the lightweight Mirror Sleek Serum helps smooth the hair cuticle, tame flyaways and control unwanted volume for up to 10 washes. Activated by heat, it also provides heat protection up to 230°C and helps reduce styling time, leaving hair silky, sleek and easier to manage.
Ideal as the final step in the Keratin Alpha Sleek routine, this professional finishing serum leaves hair smooth, polished and protected without feeling heavy.
Why You'll Love It:
- Heat-activated formula for long-lasting smoothness.
- Helps control frizz and unwanted volume for up to 10 washes.
- Provides heat protection up to 230°C.
- Helps protect against humidity up to 80%.
- Boosts shine for a sleek, glossy finish.
- Helps reduce daily styling time.
- Lightweight, non-greasy formula.
- Artificial colourant free and alcohol free.
- Suitable for all hair types.

Perfect For:
Anyone wanting long-lasting smoothness, humidity protection and professional heat protection while reducing frizz and enhancing shine.
How To Apply Keratin Alpha Sleek Serum:

HairByU Tip: For the smoothest, longest-lasting results, use after the complete L'Oréal Professionnel Keratin Alpha Sleek routine and always activate with heat.
Key Ingredients:
1261091 B2 - Ingredients: Dimethicone, Bis-(Morpholinomethyl C1-4 Dialkoxysiloxy) Dimethicone, Bis-Cetearyl Amodimethicone, Parfum / Fragrance, Linalool, Citronellol, Geraniol (F.I.L. N70063363/1).
- Heat-activated formula for long-lasting smoothness.
- Helps control frizz and unwanted volume for up to 10 washes.
- Provides heat protection up to 230°C.
- Helps protect against humidity up to 80%.
- Boosts shine for a sleek, glossy finish.
- Helps reduce daily styling time.
- Lightweight, non-greasy formula.
- Artificial colourant free and alcohol free.
- Suitable for all hair types.
| SKU | E4564700 |
| Model # | 3474637335601 |
| Barcode # | 3474637335601 |
| Brand | L'Oreal Professionnel Paris |
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