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Achieve a smooth, glossy, salon-worthy finish with Loreal Keratin Alpha Sleek Mirror Sleek Serum. This lightweight, heat-activated serum is designed to seal the hair structure, helping to control frizz, reduce unwanted volume, and deliver long-lasting smoothness. Formulated with Keratin Sealer 5%, it helps create a sleek, polished finish while providing heat protection up to 230°C and humidity protection. Hair is left instantly shinier, softer, and easier to style, with smoother results lasting up to 10 washes when used as part of the complete Keratin Alpha Sleek routine. Perfect for all hair types needing extra smoothness, shine, and control.
All hair types.
2 weeks ago
My hair has never felt stronger. After a month of weekly use the breakage is basically gone and it looks so much healthier and shinier.
2 weeks ago
Noticed a difference after the very first use - smoother, glossier and far less frizz. I now use it before every single wash.
2 weeks ago
My over-bleached ends finally feel repaired. It takes a little time to apply and rinse, but the results genuinely speak for themselves.
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