L'Oréal Professionnel Keratin Alpha Sleek Transformer for Frizzy Hair – Alcohol-Free, Progressive Weekly Smoothing

L'Oréal Professionnel Keratin Alpha Sleek Transformer is a professional progressive smoothing treatment that controls frizz and delivers salon-quality smoothness and shine for up to two weeks per application.

Designed for salon use as a weekly progressive treatment, the Keratin Alpha Sleek Transformer targets frizzy, voluminous, or hard-to-control hair by combining a keratin-derived Amino Acid complex with a lightweight conditioning base. The formula is alcohol-free and free from artificial colorants, so it’s suitable for color-treated and damaged hair. Users report immediate shine and noticeably reduced frizz and styling time, with results that build over multiple applications.

How quickly will I see smoother, frizz-controlled hair?

Results begin immediately after the first application: hair shows increased shine and texture smoothing right away, while cumulative benefits increase with repeated weekly use. Consumer tests showed significant improvements in smoothness and styling speed after multiple applications.

• Instant: visible shine boost and reduced surface frizz after one use.
• Short term: up to two weeks of improved frizz control per application.
• Long term: progressive smoothing — results strengthen with weekly treatments.

Will this treatment work on color-treated or damaged hair?

The Sleek Transformer is formulated to be gentle on treated hair and can be used on colored or chemically processed hair. Because it is alcohol-free and omits artificial colorants, it helps preserve dye vibrancy while adding keratin-derived support to hair fibers.

• Safe for color-treated and damaged hair textures.
• Alcohol-free base reduces drying risk versus alcohol formulas.
• Keratins and amino acids help reinforce fiber structure without stripping color.

How should I include this product in my routine to get the best results?

Use the Sleek Transformer weekly in place of a mask or conditioner as recommended by L'Oréal Professionnel technicians. Follow salon or product-specific instructions for application timing and rinsing to achieve the progressive smoothing effect while maintaining volume control.

• Frequency: use weekly for progressive improvement.
• Application: apply to clean, towel-dried hair as directed by your stylist.
• Maintenance: combine with your usual professional shampoo and finishing products for longest-lasting effects.

What should I expect from the scent and sensory experience?

This professional treatment has a technical scent during use, designed to communicate efficacy, followed by a fresh, powdery-floral finish with notes of cardamom, ginger, rice powder and fig leaves. Expect smooth, disciplined hair with a noticeably polished surface feel after treatment.

• During application: a technical aroma indicating the active formula at work.
• After rinse: powdery-floral fragrance lingers subtly on hair.
• Finish: instant glossy look and a softer, more controlled texture.

Who is this for? The Keratin Alpha Sleek Transformer is made for people seeking salon-grade frizz control without sacrificing color or volume — ideal for those with naturally frizzy, thick, or unruly hair, as well as clients with color-treated or chemically processed strands who want progressive smoothing. It suits stylists who want a weekly professional treatment to reduce clients' daily styling time while improving shine and hair manageability.

Ingredients

128152 S3 - Ingredients: Aqua/Water/Eau, Cetearyl Alcohol, Cocos Nucifera Oil/Coconut Oil, Behentrimonium Chloride, Isononyl Isononanoate, Cetyl Esters, Parfum/Fragrance, Ethanolamine, Isopropyl Alcohol, Cysteine, Dimethicone, Hydroxyethylcellulose, Phenoxyethanol, Sodium Metabisulfite, Amodimethicone, Ascorbic Acid, Trideceth-10, Trisodium Ethylenediamine Disuccinate, PEG-100 Stearate, Roseketones, Steareth-6, Taurine, Trideceth-3, Glycerin, Butylene Glycol, Disodium Phosphate, Acetic Acid, Polysorbate 60, Sodium Phosphate, Carbomer, Sodium Lactate, Polysorbate 20, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7. N70068431/1.