Keratin Protein Gold 2.4

Professional FormaldehydeFree Keratin & Protein Hair Reconstruction Treatment
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Product Overview

Keratin Protein Gold 2.4 is an advanced professional keratin and protein reconstruction treatment formulated to deeply repair, strengthen, and smooth all hair types while eliminating frizz, boosting shine, and improving overall hair health. It uses an innovative PROTECHS 0+ formaldehydefree keratin system with a powerful blend of keratin, collagen, argan oil, and natural botanicals to rebuild hair structure from the inside out and deliver longlasting sleekness and manageability for up to three to four months. This treatment is designed for professional salon use and is suitable for straight, curly, thick, thin, and colortreated hair, providing enhanced resilience, softness, and vibrant shine.

Key Benefits

1. Intensive Hair Reconstruction: Penetrates deeply to infuse keratin and protein complexes into the hair cortex, rebuilding internal strength and structural integrity.
2. Advanced Smoothing & Frizz Control: Reduces frizz, flyaways, and volume, leaving hair sleeker and more manageable.
3. Improved Hair Elasticity: Enhances flexibility and resilience, reducing breakage and split ends.
4. Moisture Retention & Nourishment: Argan oil and botanicals provide deep hydration and protection, resulting in softer, healthier-feeling hair.
5. Safe Professional Formula: 0% formaldehyde ensures a safer application and more comfortable salon experience.

Why Keratin Protein Gold 2.4

Keratin Protein Gold 2.4 is engineered to address common hair challenges encountered in professional settings, including chemical damage, heat styling trauma, and environmental stress. By delivering keratin and proteins directly into the hair’s internal layers, this treatment rebuilds weakened hair structure, restores elasticity, and enhances smoothness without harsh chemical agents. The formaldehyde-free PRO-TECHS 0+ system makes it suitable for modern salon environments where safety, performance, and client comfort are priorities. Stylists can confidently offer deep reconstruction, frizz control, and long-lasting smoothness for all hair types, from fine and color-treated to coarse and curly.

Ingredients

AQUA、GLYOXYLIC ACID、CETRIMONIUM CHLORIDE、ARGANIA SPINOSA KERNEL OIL(ARGAN OIL)、MACADAMIA INTEGRIFOLIA SEED OIL、PARFUM、GUARHYDROPXYPROPYLTRIMONIUM CHLORODE、PEG-40 HYDROGENATED CASTOR OIL、KERASOL、ALOE VERA EXTRACT、HYDROLYSED COLLAGEN、HYDROLYZED WHEAT PROTEIN、PHENOXYETHANOL

How to Use

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.

Ideal For

ADVANCED KERATIN SMOOTHING SYSTEM

LONG-LASTING SHINE

FRIZZ CONTROL TECHNOLOGY

SALON PROFESSIONAL FORMULA

SCIENCE-BACKED INGREDIENTS

FORMALDEHYDE-FREE OPTIONS

Common Questions

What distinguishes Keratin Protein Gold 2.4 from other smoothing treatments in the range?

The 2.4 Gold version is our maximum-strength smoothing reconstructor. It is specifically engineered for “resistant” hair types—including coarse, thick, and highly textured hair—that require more intensive curl reduction. The “Gold” designation refers to the ultra-refined 24K-Shine technology, which coats the hair in a reflective, luxurious gloss while providing a stronger straightening effect than standard protein treatments.
The Keratin Protein Gold 2.5 treatment utilizes a high-density molecular blend of hydrolyzed keratin and collagen. Because resistant hair has a more compact cuticle layer, this formula uses a specialized delivery system to penetrate deep into the cortex. Once inside, it realigns the hair’s sulfur bonds and “fills” the fiber with gold-standard nutrients, resulting in a 90-100% reduction in frizz and curl without compromising the hair’s natural bounce.
Absolutely. Like all products in the PRO-TECHS 0+ system, the Gold 2.4 is 100% formaldehyde-free. We utilize advanced glyoxylic acid derivatives and organic acids to achieve the straightening effect. This ensures a safe, smoke-free, and comfortable environment for both the stylist and the client, providing high-performance results without the health risks associated with traditional Brazilian keratin treatments.
Due to its high-concentration formula, the Gold 2.4 professional treatment offers superior durability, typically lasting between 4 to 6 months. Unlike chemical relaxers that leave a permanent “line of regrowth,” this treatment fades gradually and naturally over time. The hair remains manageable and soft, with the frizz-reduction benefits lasting until the treatment is naturally washed away or the hair grows out.
To fully activate the gold-standard shine and straightening agents, the flat-ironing stage is critical. For healthy, resistant hair, we recommend using a high-quality titanium iron set to 230°C (450°F). Stylists should work with thin, transparent sections, passing the iron 6 to 10 times from root to mid-shaft, and slightly fewer times on the ends. This thermal process vitrifies the protein layer, sealing the “Gold” pigments into the cuticle for that signature high-gloss finish.

Pro-Selection

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

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

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