Keratin Alpha Sleek Professional Shampoo 500ml – Sulfate-Free Frizz Control

Get sleek, smooth, salon-quality hair with the Keratin Alpha Sleek Professional Shampoo 500ml by L'Oréal Professionnel. Specially formulated for frizzy, unruly, or hard-to-manage hair, this professional sulfate-free shampoogently cleanses while delivering long-lasting frizz control and shine.

Key Benefits

Up to 2 weeks frizz control with full routine use

Sulfate-free formula – no harsh sulphated surfactants

Smooths and strengthens hair keratin fibres

Controls unwanted volume for easier styling

Reduces styling time by up to 50%

Delivers instant shine lasting up to 5 days

Improves softness from the first wash

Suitable for all hair types, including treated hair

Why This Shampoo Works

Searching for the best keratin shampoo for frizzy hair in the UK? This salon-grade formula offers:

Gentle cleansing without drying the hair

Long-lasting anti-frizz protection

Improved manageability and smoothness

Protection against breakage and daily damage

Professional results from the comfort of home

Advanced Professional Formula

Powered by innovative haircare technology:

Keratin Sleeker Complex – smooths and refines the hair surface

Amino Acid Chains – reinforce hair strength and resilience

Ultra-creamy texture – luxurious feel with every wash

How to Use

Apply evenly to wet hair

Massage until a rich lather forms

Rinse thoroughly

For best results:

Use Smooth Transformer once weekly

Use a professional mask on other wash days

Proven Results

Frizz control for up to 2 weeks*

Faster styling with consistent use

Noticeably smoother, shinier hair after one application*

*Based on consumer and instrumental testing

Perfect For

Frizzy, dry, or coarse hair

Thick or high-volume hair types

Chemically treated or keratin-treated hair

Anyone wanting smooth, glossy, manageable hair daily

Product Details

Size: 500ml

Brand: L'Oréal Professionnel

Range: Serie Expert

Type: Sulfate-Free Keratin Shampoo