L'Oréal Professionnel Paris Keratin Alpha Sleek Shampoo — Sulfate-Free Smoothing Shampoo, Hydrating Frizz Control (250–300 ml)

L'Oréal Professionnel Keratin Alpha Sleek Shampoo is a sulfate-free, ultra-creamy cleanser that smooths, hydrates and helps control frizz and volume for long-lasting sleek hair.

Designed for hair that needs structure and manageability, this professional shampoo combines a keratin-targeted complex and amino-acid chains to reinforce the hair fiber while delivering a soft, radiant finish. The formula lathers into a rich cream that cleanses without stripping, leaving hair more hydrated and visibly shinier after repeated use. It also features a fresh, powdery-floral fragrance with top notes of cardamom and ginger, a heart of orris, and a warm sandalwood-musk base.

How does Keratin Alpha Sleek Shampoo improve smoothness and manage frizz?

The shampoo contains a Keratin-Alpha Shaper plus amino-acid chains that work on the hair surface to reshape and support keratin structure. Regular use helps hair lie flatter and resist unwanted volume without weighing strands down.

• Active complex targets and reinforces keratin fiber.
• Reduces surface irregularities for a sleeker appearance.
• Helps control frizz while preserving natural movement.

Will this shampoo hydrate and add shine to my hair?

The creamy formulation is designed to moisturize as it cleanses: instrumental testing shows noticeable improvement in hydration and shine with the shampoo used alone. It softens the hair surface, making light reflect more evenly for a healthier-looking finish.

• Delivers measurable hydration gains from the first applications.
• Enhances surface smoothness for increased radiance.
• Sulfate-free surfactants help maintain moisture balance.

Is the formula gentle and suitable for repeated salon-style use?

The texture is ultra-creamy and formulated to cleanse without harsh sulfated surfactants, and it excludes artificial colorants and alcohol. That makes it a gentler option for those who want professional-level smoothing without aggressive stripping.

• Sulfate-free surfactant system for mild daily cleansing.
• No added alcohol or artificial colorants for a milder profile.
• Works within a full Keratin Alpha Sleek routine for longer results.

How does this shampoo fit into a complete smoothing routine?

For extended sleekness and control over frizz and volume, use the shampoo alongside the Smooth Transformer and the complementary serum. The combined regimen is formulated to deliver stronger, longer-lasting results than a single product alone.

• Shampoo preps and gently cleanses the fiber.
• Smooth Transformer continues restructuring and smoothing.
• Finishing serum seals and maintains manageability and shine.

Who is this for: L'Oréal Professionnel Keratin Alpha Sleek Shampoo is aimed at anyone seeking smoother, more manageable hair—especially those with frizz, excess volume, or hair that benefits from structural reinforcement. It suits people who prefer professional-grade care, want a sulfate-free cleansing option, and enjoy a powdery-floral scent in their routine. For best results, integrate it into the full Keratin Alpha Sleek ritual (shampoo, Smooth Transformer, serum) to maximize smoothness and shine over multiple applications.

Ingredients

AQUA / WATER / EAU • SODIUM COCOYL ISETHIONATE • DISODIUM LAURETH SULFOSUCCINATE • GLYCOL DISTEARATE • SODIUM LAURYL SULFOACETATE • SODIUM LAUROYL SARCOSINATE • GLYCERIN • PARFUM / FRAGRANCE • DECYL GLUCOSIDE • COCAMIDOPROPYL BETAINE • COCO-BETAINE • PPG-5-CETETH-20 • DIVINYLDIMETHICONE/DIMETHICONE COPOLYMER • AMODIMETHICONE • SODIUM HYDROXIDE • CITRIC ACID • POLYQUATERNIUM-7 • CARBOMER • POLYQUATERNIUM-10 • SODIUM BENZOATE • SODIUM CHLORIDE • PEG-55 PROPYLENE GLYCOL OLEATE • PROPYLENE GLYCOL • SALICYLIC ACID • BENZOIC ACID • TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES • POLYSORBATE 21 • LINALYL ACETATE • CARVONE • CITRUS LIMON PEEL OIL • TRIDECETH-6 • LIMONENE • COUMARIN • LINALOOL • CITRUS AURANTIUM BERGAMIA PEEL OIL • BUTYLENE GLYCOL • C12-13 ALKETH-23 • C12-13 ALKETH-3 • PINENE • CETRIMONIUM CHLORIDE • JUNIPERUS VIRGINIANA OIL • PHENOXYETHANOL • SODIUM LACTATE • TAURINE • POLYSORBATE 20 • PALMITOYL TRIPEPTIDE-1 • PALMITOYL TETRAPEPTIDE-7