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L'Oréal Professionnel

L'Oréal Professionnel Keratin Alpha Sleek Hair Mask Anti Frizz & Smoothing 250ml

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Dispatching From : 1 April 2026

Image 10 - An image displaying Frizz control test under 80% humidity shows three dark hair swatches hanging from a bar: the first swatch on the left is frizzy and labeled Without Keratin Alpha Sleek, the middle swatch is sleek and labeled With Keratin Alpha Sleek¹, and the third swatch on the right is mostly smooth with a slight wave and labeled After 2 weeks post use¹, with the footnote ¹After 4 applications of Keratin Alpha Sleek Smooth Transformer also visible. Image 11 - Three hanging black hair swatches demonstrate a before and after comparison, starting with a wavy, frizzy swatch, transitioning to a straight, smooth swatch, and ending with a similarly straight and smooth swatch. Visible text reads 2 weeks of smooth, frizz controlled hair.¹ Before After¹ After 2 weeks ¹After 4 applications of Keratin Alpha Sleek Smooth transformer on 67 consumers. Image 2 - A purple jar of LOréal Professionnel Keratin Alpha Sleek hair mask with a black lid is surrounded by white cream, featuring text that states Deeply nourishes and softens hair, 84% less frizz, 74% more shine, 61% more hydrated hair, ¹Instrumental tests, and the jar itself reads Keratin Alpha Sleek, KERATIN-ALPHA SHAPER + AMINO-ACID CHAINS, MASQUE PROFESSIONNEL / PROFESSIONAL MASK, Masque longue durée, anti-frizz & discipline, Lasting smooth, anti-frizz & volume control, LOREAL PROFESSIONNEL PARIS, EXPERT, 250 ml / 8.5 FL OZ. Image 3 - A split image of a woman shows her hair before and after treatment, with frizzy curly hair on the left and smooth straight hair on the right, with three LOréal Keratin Alpha Seve products at the bottom right, and the visible text Before, After 3 Uses, Not retouched. Image 4 - A purple and blue abstract shape on a black background contains the text THE TECH Keratin Alpha-shaper + amino acid chains Reprograms hair at deepest keratin alpha level, with a circular inset showing hair fibers and the text By working deep inside the hair fiber, it reshapes the structure of your hair. Image 5 - An artistic composition of fragrance ingredients including sliced figs with red flesh, two purple flowers, and dark woody elements, with visible text The fragrance, Orris and violet, Fig leaf, and Creamy sandalwood. Image 6 - A human hand holds a small, smooth, white, round product, illustrating instructions titled How to apply like a Pro. 01 After using shampoo, apply evenly from lengths to tips. 02 After shampooing, apply evenly from lengths to tips. Image 8 - The image shows three purple LORÉAL PROFESSIONNEL PARIS Keratin Alpha Sleek products displayed as The anti-frizz routine. Step 01 Cleanse features a 300 mL LORÉAL PROFESSIONNEL PARIS Keratin Alpha Sleek KERATIN-ALPHA SHAPER + AMINO-ACID CHAIN PROFESSIONAL SHAMPOO; Step 02 Moisturize features a 250 mL Keratin Alpha Sleek KERATIN-ALPHA SHAPER + AMINO-ACID CHAIN MASQUE PROFESSIONNEL PROFESSIONAL MASK; and Step 03 Smoothness features a 90 mL Keratin Alpha Sleek PROFESSIONAL MIRROR SLEEK SERUM. All products are from the SERIE EXPERT line, with the shampoo and mask providing long-lasting smooth, anti-frizz & volume control, and the serum offering smoothness & volume control up to 96 hours.