Keratin Protein Silver 2.5

Smoothing & Tone Correction for Blonde and Lightened Hair

Product Overview

Keratin Protein Silver 2.5 is a professional salongrade keratin and protein reconstruction treatment formulated to deeply repair, strengthen, and smooth hair while enhancing shine and reducing frizz. Designed especially for blonde, highlighted, or light-toned hair, this advanced formula uses the formaldehyde-free PRO-TECHS 0+ system to improve hair structure, lock in moisture, and deliver long-lasting sleekness and vibrant radiance. It combines keratin, hydrolyzed collagen, argan oil, and nourishing botanicals to create sleek, healthy-looking hair with a refined finish.

Key Benefits

1. Color Protection & Tone Control: Developed for blonde, light-colored, and bleached hair. Helps prevent yellowing and maintains a clean, cool-toned finish during the smoothing process.
2. Gentle Repair for Bleached Hair: Designed for fragile, over-processed hair, delivering smoothness without adding weight or causing further damage.
3. Yellow Tone Neutralization: Infused with tone-correcting pigments to neutralize unwanted yellow hues and enhance brightness with a cooler, more refined look.
4. Smoothing with Deep Care: Combines Keratin 0+ technology with botanical hydration to smooth frizz while restoring moisture to dry, lightened hair.
5. Formaldehyde-Free Performance: 0% formaldehyde release, ensuring professional smoothing results with a safer application.

Why Keratin Protein Silver 2.5

Keratin Protein Silver 2.5 leverages advanced smoothing and reconstruction technology to address complex hair challenges, especially those typical in blonde, highlighted, or chemically treated hair. Repeated chemical processing, bleaching, and heat styling can strip hair proteins and compromise structural integrity, leading to brittleness, frizz, and dull appearance. This treatment’s formaldehyde-free PRO-TECHS 0+ system allows stylists to deliver salonquality results without harsh chemical fumes, restoring strength and smoothness at the fiber level. The added silver tone benefits help preserve brighter shades and gloss, making it especially valuable for clients with lightened hair seeking a professional finish that lasts.

Ingredients

AQUA、GLYOXYLIC ACID、CETRIMONIUM CHLORIDE、ARGANIA SPINOSA KERNEL OIL(ARGAN OIL)、GUARHYDROPXYPROPYLTRIMONIUM CHLORODE 、PEG-40 HYDROGENATED CASTOR OIL、PARFUM、KERASOL、MACADAMIA INTEGRIFOLIA SEED OIL、ALOE VERA EXTRACT、HYDROLYSED COLLAGEN、HYDROLYZED WHEAT PROTEIN、PHENOXYETHANOL
1. Pre-Cleanse: Wash hair with a clarifying shampoo or Keratin Clarifying Shampoo No.1 to remove buildup, oils, and residues.
2. Apply Treatment: Divide hair into small, manageable sections for uniform application, apply Keratin Premium Protein Max evenly from roots to ends using a professional brush.
3. Comb Through: Use a fine-tooth comb to ensure thorough coverage and penetration.
4. Blow-Dry Hair: Dry hair to 70–100% according to hair type and condition.
5. Flat-Iron Hair: Straighten each section at 230–249°C, passing 4–6 times for optimal protein activation and smoothing results.

ADVANCED KERATIN SMOOTHING SYSTEM

LONG-LASTING SHINE

FRIZZ CONTROL TECHNOLOGY

SALON PROFESSIONAL FORMULA

SCIENCE-BACKED INGREDIENTS

FORMALDEHYDE-FREE OPTIONS

Common Questions

How does the Keratin Protein Silver 2.5 treatment neutralize brassiness while restructuring hair?

This is a professional-grade toning keratin treatment designed for a dual-purpose mission. The formula is infused with intensive violet pigments that act as a semi-permanent toner to neutralize unwanted yellow and brassy hues in blonde, silver, or bleached hair. Unlike a surface-level toner, this treatment uses heat-activation to embed both the pigments and the protein complex into the hair cortex, providing structural repair and color correction in one single application.
Traditional keratin treatments focus solely on smoothing and frizz control. The Keratin Protein Silver 2.5 is a specialized color-balancing reconstructor. It is specifically formulated for lightened hair which is often more porous and prone to breakage. It offers the same elite smoothing results and volume reduction as our standard formulas but adds a “silver effect” that clarifies the blonde tone, making it the ultimate 2-in-1 solution for high-end color salons.
Yes. In fact, this treatment is specifically engineered for compromised fibers. Since it is 100% formaldehyde-free, it does not use harsh chemicals to break the hair’s bonds. Instead, it utilizes a blend of hydrolyzed keratin, collagen, and argan oil to “fill in” the damage caused by bleaching. It reinforces the hair’s elasticity and seals the cuticle, which is vital for preventing the “straw-like” texture common in over-processed blonde hair.
When applied correctly by a professional, the results of this keratin treatment typically last between 3 to 5 months. Because the pigments are sealed inside the hair during the flat-ironing process, the “cool-toned” effect is much more durable than any temporary wash or gloss. It slowly fades over time, but the hair remains significantly smoother, shinier, and more manageable throughout the entire duration.
For maximum efficacy, the hair must be prepped with a High-pH Clarifying Shampoo to open the cuticles. After applying the Silver 2.5 treatment, it is essential to follow the specific processing time to allow the pigments to settle. During the sealing stage, the stylist must adjust the flat iron temperature (typically between 200°C–230°C) based on the hair’s health. Proper heat-sealing is what transforms the liquid protein into a protective, anti-brass barrier.

More Selection

A bowl of white keratin powder next to a glass bottle labeled Hydrolyzed Keratin Solution.

Keratin is the essential structural protein of hair. This guide explains how it works in haircare products to repair damage, strengthen strands, and smooth frizz, helping you choose the right formulas for healthier hair.

A red flat iron being used on hair to seal in the keratin treatment, creating steam and a super-smooth texture.

This article explains how long keratin treatments last, what factors affect longevity, and how proper aftercare can extend smooth, frizz-free results for different hair types.

Professional stylist blow-drying a woman's long, smooth brown hair into a sleek finish in a bright salon.

This article explains whether keratin treatments damage hair, examining heat, chemicals, and application methods, while outlining real risks, warning signs, and practical ways to protect hair health.

Articles related to keratin

Sample Request

Share your requirements for this products.

Two black bottles of "Protein Silver II" hair treatment (250ml and 500ml) with silver labels and gold pumps, displayed on marble with a pinecone, towel, and stones.
Do you interested in Keratin Protein Silver 2.5 ?

Blonde Shine & Smooth

Reach out now to request a sample and get a quote from our experts.