🧴 Product Identity
L’Oréal Professionnel Keratin Alpha Sleek Professional Mask
A deeply nurturing professional mask with a rich, sensorial texture. Designed as the essential hydration and upkeep step for your weekly ritual, it is used on all other wash days when you are not using the core Smooth Transformer to tame, soften, and align rebellious or difficult-to-manage hair.
A deeply nurturing professional mask with a rich, sensorial texture. Designed as the essential hydration and upkeep step for your weekly ritual, it is used on all other wash days when you are not using the core Smooth Transformer to tame, soften, and align rebellious or difficult-to-manage hair.
🔬 Core Scientific Ingredients
- Keratin-Alpha Shaper: Penetrates into the cortex layer to reshape the internal geometry of alpha-keratin chains, actively smoothing out stubborn fibers from within.
- Amino-Acid Chains: Intensively restructures the naturally missing protein chains to reinforce brittle hair strands and protect them against breakage.
- Pure Formula Callouts: Completely vegan, alcohol-free, and artificial colorant-free, making it extremely safe for colored, bleached, or chemically straightened hair textures.
✨ Exclusive Advantages & Core Efficacy
- 84% Frizz Reduction & 3x Less Volume: Clinically proven to instantly reduce frizz by up to 84% while decreasing unwanted, bulky hair volume by 3 times for a sleek, tamed appearance.
- +74% Instant Shine Booster: Smooths down the outermost cuticles to revive dull, brittle hair with a luxurious, light-reflective glossy finish.
- Weightless Deep Hydration: Possesses an ultra-creamy consistency that intensely moisturizes and conditions the fiber without unnecessarily weighing the hair down or flat-lining natural roots.
- Cuts Everyday Styling Time in Half: Drastically softens knots and tames strands so daily brushing, blow-drying, or heat styling takes 50% less effort.
💇♂️ Application & Professional Salon Techniques
- Step 1 (Application): After washing with Keratin Alpha Sleek Shampoo, gently towel-dry the excess water. Apply the mask evenly from the mid-lengths down to the tips, avoiding the scalp.
- Step 2 (Processing): Leave it on the hair for 5 minutes for instant softening. Pro Salon Tip: For an ultra-smooth, high-performance salon finish, leave it on for 10–15 minutes under a professional salon heat processor or steam cap.
- Step 3 (Rinse & Next): Rinse thoroughly with lukewarm water. Always follow with the Mirror Sleek Serum on damp hair before blow-drying to physically heat-activate and seal the system’s sleekness.












