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

A leave-in treatment that protects against thermal damage and flyaways while adding mirror-like shine.

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Image 1 - A purple LOréal Professionnel Keratin Alpha Sleek product bottle with a black pump is displayed on a white background with blurred purple shapes, featuring text that highlights its benefits: Reprogram hair for up to 2 weeks of frizz control, Up to 4 days of shine, Anti-humidity: Up to 80%, Heat protection up to 230°C, and the product label reads LOREAL PROFESSIONNEL PARIS Keratin Alpha Sleek KERATIN SEALER 5% PROFESSIONAL MIRROR SLEEK SERUM For unruly hair. Heat activated. Smoothness, frizz & volume control up to 10 washes. SERIE EXPERT 50 ml 1.6 FL. OZ. Image 2 - A large iridescent purple and blue blob-like shape on a black background contains the text: THE TECH Keratin Alpha-shaper + Amino acid chains. Reprograms hair at deepest keratin alpha level.¹ By working deep inside the hair fibre, it reshapes the structure of your hair.² Footnotes read: ¹After 4 applications of Smooth Transformer. ²Instrumental and consumer tests. A small inset image shows a microscopic view of hair strands. Image 3 - A split image displays a womans hair with curly, frizzy hair on the left before treatment and smooth, straight hair on the right after 4 uses, next to a set of purple LOréal Keratin Alpha Sleek hair products, with text that reads Before, After 4 Uses, and Not retouched. Image 4 - A visual comparison of three strands of black hair hanging from a rod, showing a wavy strand labeled Before, a long straight strand labeled After¹, and a slightly less straight strand labeled After 2 weeks, with the main text Reprogram hair for up to 2 weeks of frizz control.¹ Image 5 - The image displays a frizz control test under 80% humidity, showing three bundles of hair hanging from a rod: the first is very frizzy and labeled Without Keratin Alpha Sleek, the second is sleek and labeled With Keratin Alpha Sleek, and the third is slightly wavy and labeled After 2 weeks post use, with a final note reading After 4 applications of Keratin Alpha Sleek Smooth Transformer. Image 6 - Four purple LOréal Professionnel Paris Keratin Alpha Sleek Smooth Transformer SERIE EXPERT hair products—a shampoo, conditioner, mask, and a smaller treatment bottle—are displayed from left to right on a white background with white product swirls; visible text includes The professional anti-frizz routine, with steps 01 Cleanse: Shampooing Shampoo 300 ml 10.1 fl.oz.; 02 Reprogram: Traitement Lissant Professionnel Professional Smoothing Conditioner 200 ml 6.7 fl.oz.; 03 Moisturise: Masque Professionnel Professional Mask 250 ml 8.5 fl.oz.; and 04 Smooth: 90 ml 3.0 fl.oz. Image 7 - A dark-skinned hand holds a clear liquid product in its palm, next to text that reads: How to apply like a Pro. 01 Take 2-3 pumps for fine/medium & 4-6 pumps for thicker hair. 02 Distribute product evenly. 03 Blow dry or flat iron to activate the formula. Image 8 - A cluster of glossy dark wood, sliced figs, and purple flowers representing fragrance notes is shown with text reading The fragrance, Orris and violet, Fig leaf, and Creamy sandalwood.

Delivering up to two weeks of flyaway control, the L'Oréal Professionnel Keratin Alpha Sleek Hair Serum encourages glass-like shine and ultra-sleek results.

The leave-in treatment helps to protect against the effects of humidity and thermal damage up to 230°C. A 5% Keratin Sealer complex encourages a fuller, healthier look, while promising up to five days of mirror-shine and smoothness. Saturate strands with the lightweight, heat-activated spray and blow dry, then flat iron for optimal results.

Application: Shake before use. On washed and towel-dried hair, detangle and section hair into two parts. Spraying into your hand, start with 2-4 sprays for thin to medium hair and 6-8 sprays for thicker hair. Rub hands together and distribute product evenly from lengths to ends. Do not rinse. Heat-activated. Dry with hairdryer. Use straightening iron for longer-lasting results.

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

For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.