FREE UK Delivery over £25
Next Day Delivery Until Midnight
4.7* Trustpilot Rating 450k+ Reviews
Skip to product information

L'Oréal Professionnel Keratin Alpha Sleek Anti Frizz, Smoothing & Glass Shine Serum 50ml

L'Oréal Professionnel Keratin Alpha Sleek Anti Frizz, Smoothing & Glass Shine Serum 50ml

Regular price £24.23
Regular price £28.50 Sale price £24.23
RRP: £28.50
Save £4.27 (14%)

Spend £25.00 more for FREE UK delivery

In stock - Usually dispatched within 24 hours

Description

A professional hair serum formulated with Keratin Sealer 5% that seals hair keratin structure for long-lasting smoothness, frizz and volume control up to 10 washes.

Ingredients

Dimethicone, Bis-(Morpholinomethyl C1-4 Dialkoxysiloxy) Dimethicone, Bis-Cetearyl Amodimethicone, Parfum / Fragrance, Linalool, Citronellol, Geraniol

How to Use

How to Use:\nShake the bottle well before use. On freshly washed, towel-dried hair, gently detangle and divide the hair into sections. Spray the serum into your hands, then smooth through the lengths and ends, using 2–4 sprays for fine to medium hair or 6–8 sprays for thicker hair. Do not rinse. Blow-dry thoroughly to activate the formula, then, if desired, follow with a straightening iron for a sleeker finish.\n\nFrequency:\nUse according to the product instructions or whenever you heat-style your hair and want added smoothness and shine.\n\nApplication Technique:\nApply to clean, damp hair from mid-lengths to ends, distributing evenly with your hands or a wide-tooth comb before drying. Focus on areas prone to frizz or puffiness and avoid the roots if you’re concerned about weight.\n\nBest Practices:\nFor best cosmetic results, use as part of a complete smoothing routine with a suitable shampoo and mask. Start with a small amount and add more only if needed. Allow hair to dry fully with heat to help th

Why we love it

- Heat-activated serum that helps to smooth the hair fibre, offering up to 230°C protection during blow-drying and straightening.\n- Formulated with 5% Keratin Sealer to support long-lasting frizz and volume control while promoting a sleek, glass-like shine.\n- Lightweight, leave-in texture that suits all hair types and textures without feeling heavy or greasy.\n- Fits easily into a regular styling routine, helping hair look smoother, shinier and more disciplined even in humid conditions.

Delivery & Returns

We have multiple delivery options available depending on when you need your items. For more information visit our delivery page.

If I'm not completely happy with my item? Please see our returns policy.

More from L'Oréal Professionnel

Recently Viewed Products

L'Oréal Professionnel Keratin Alpha Sleek Anti Frizz, Smoothing & Glass Shine Serum 50ml

L'Oréal Professionnel Keratin Alpha Sleek Anti Frizz, Smoothing & Glass Shine Serum 50ml

RRP: £28.50
Regular price £24.23
Regular price £28.50 Sale price £24.23
Save £4.27 (14%)