L'Oréal Professionnel Keratin Alpha Sleek Progressive Treatment 200ml

L'Oréal Professionnel Keratin Alpha Sleek Progressive Treatment

Transform unruly hair with L'Oréal Professionnel Keratin Alpha Sleek Progressive Treatment – a professional smoothing treatment designed to deliver increasingly smoother, more manageable results with every use.

Formulated with Keratin Sleeker and amino acid chains, this progressive treatment helps reshape and smooth the hair’s keratin structure for long-lasting frizz and volume control. When used as part of the complete Keratin Alpha Sleek routine, it provides up to two weeks of smoothness*, five times smoother hair, two times less frizz and up to 77% more instant shine**. Hair is left disciplined, glossy and easier to style, helping reduce daily styling time by half*. Suitable for all hair types, the formula is free from artificial colourants and alcohol.

Key Benefits:

• Provides progressive smoothing results that improve with continued use
• Delivers up to two weeks of smooth, controlled hair*
• Leaves hair up to five times smoother**
• Helps reduce frizz by up to two times**
• Controls unwanted volume
• Enhances instant shine by up to 77%**
• Helps cut daily styling time in half*
• Preserves the integrity of the hair**
• Suitable for all hair types
• Free from artificial colourants and alcohol

How to Use:

Use once a week after cleansing with Keratin Alpha Sleek Shampoo. Shake well before use, then divide the hair into two sections and apply evenly through the lengths and ends. Use approximately 30–50g depending on the hair’s length and thickness.

Leave on for 10–15 minutes, then rinse thoroughly. Complete the routine with Keratin Alpha Sleek Mirror Sleek Serum. Blow-dry the hair completely and finish with a flat iron to activate the smoothing technology.

Results progressively improve and reach peak performance after four weekly applications. On other wash days, use Keratin Alpha Sleek Mask in place of the Progressive Treatment.

*Instrumental test after four applications of Keratin Alpha Sleek Shampoo, Smooth Transformer and Serum.
**Instrumental testing.
***Consumer test after four applications on 67 consumers.