L'Oréal Professionnel Paris Keratin Alpha Sleek Shampoo - Sulfate-Free Smoothness, Hydrating Frizz Control

This high-performance shampoo combines a rich, creamy texture with salon-grade actives—Keratin-Alpha Shaper and amino-acid chains—to reinforce the hair fiber and help maintain a smoother surface. Designed for those seeking manageable, less voluminous hair without harsh surfactants, it delivers a fragrant, soft finish and pairs with the full Keratin Alpha Sleek routine for extended results.

How does this shampoo smooth and reduce frizz?

The formula targets the hair’s keratin structure using Keratin-Alpha Shaper and amino-acid chains that sit along the fiber to help reshape and seal the surface. Over repeated uses the shampoo helps the hair feel silkier and more aligned, making flyaways easier to manage.

• Keratin-Alpha Shaper helps reinforce and realign the hair’s outer layer.
• Amino-acid chains support fiber cohesion and improved texture.
• Sulfate-free cleansing avoids over-drying that can cause frizz rebound.

Will it hydrate and add shine without weighing hair down?

Yes—the ultra-creamy formula moisturizes and leaves hair visibly shinier while remaining light enough for many hair types. Instrumental tests show enhanced hydration and significant shine when used appropriately.

• Formulation boosts hydration and surface reflectivity for a healthy-looking finish.
• Non-heavy emollients preserve natural movement and body.
• Free from alcohol and artificial colorants to help maintain hair softness.

Is this safe for color-treated or chemically-styled hair?

The gentle, sulfate-free surfactant system is milder than traditional shampoos, so it is suitable for many colored or treated hair types. As with any salon product, follow with the recommended conditioner or transformer to optimize protection and longevity of salon services.

• Absence of sulfated surfactants reduces aggressive stripping of color.
• Pairs with the Keratin Alpha Sleek Smooth Transformer and Serum for longer-lasting results.
• Formulated without drying alcohols that can compromise treated hair.

What does it smell like and how does the texture feel?

The shampoo offers a fresh, powdery-floral fragrance combining spicy top notes and warm woody base notes for a subtle scent experience. The luxurious, ultra-creamy texture lathers gently and rinses clean, leaving hair feeling soft and manageable.

• Top: cardamom and ginger for a crisp opening scent.
• Heart: orris adds a delicate floral facet.
• Base: sandalwood and musk provide warm, long-lasting depth.

Who is this for: L'Oréal Professionnel Keratin Alpha Sleek Shampoo is aimed at anyone seeking a professional-grade, smoothing shampoo—particularly those with frizz-prone, dry or medium-to-long hair who want controlled volume, enhanced shine and a softer touch. If you use salon smoothing routines or want a gentler, hydrating daily cleanser that complements keratin-based treatments, this product fits into your regimen.

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