KERATIN RESEARCH Brazilian Keratin Hair Straightening Treatment 4 oz — Professional Smoothing & Frizz Control

KERATIN RESEARCH Brazilian Keratin is a professional-strength 4 oz smoothing treatment that straightens, repairs and reduces frizz for up to 4–6 months.

This concentrated keratin formula blends keratin proteins, argan oil and collagen amino acids to deliver long-lasting smoothness and shine. It’s designed for use in salons or at home by users comfortable with professional hair treatments. The treatment bottle contains 120 ml (4 oz) of solution; clients with very long, thick, or coarse hair should plan for two bottles or choose the 10 oz size for complete coverage.

How long will I see results after applying this treatment?

Results are visible immediately after the treatment process and continue to stabilize as hair cools and the formula sets. Most users enjoy straight, frizz-reduced hair for 4–6 months depending on hair type, aftercare, and frequency of washing.

• Immediate smoothing and shine after treatment.
• Typical duration: 4–6 months per application.
• Longevity depends on hair porosity, styling routine, and maintenance products.

Will this product repair damaged or chemically treated hair?

The formula is formulated to strengthen and help repair the hair shaft by replenishing keratin and amino acids, improving elasticity and reducing breakage. While it supports visible improvement and smoother texture, it should be used as part of a broader care routine for best results.

• Contains keratin proteins to reinforce weakened hair strands.
• Argan oil adds moisture and a reflective shine.
• Collagen amino acids help improve manageability and reduce frizz.

How easy is it to apply this treatment at home versus a salon?

The product is suitable for both salon professionals and experienced at-home users who follow step-by-step instructions. Precision and correct heat application are key to achieving long-lasting results; responsive support is available if you have questions during application.

• Comes with clear application directions for at-home or professional use.
• Requires flat ironing to seal the formula for optimal straightening.
• Support available for troubleshooting and best-practice tips.

How much product do I need for different hair lengths and textures?

One 120 ml (4 oz) bottle is formulated for a single application on short to medium-length hair. For very long, thick, or coarse hair, plan to use two bottles or the 10 oz version to ensure even coverage.

• Short to medium hair: one 4 oz bottle typically sufficient.
• Long or thick/coarse hair: recommended two bottles or 10 oz size.
• Even application ensures consistent straightening and shine.

Who is this for: KERATIN RESEARCH Brazilian Keratin treatment is aimed at people who want salon-caliber straightening and frizz control with a formula that also targets strength and shine. It's suitable for a wide range of hair types—from color-treated to naturally curly—when applied following instructions. Choose this 4 oz professional bottle if you have short to medium hair or are trying the treatment for the first time; pick two bottles or the 10 oz version for long or very thick hair. Always follow safety and heat application guidance and consult a professional stylist if you’re unfamiliar with chemical smoothing procedures.

Ingredients

Aqua,Hydrolyzed Keratin,Propylene Glycol,Dimethicone,Cetearyl Alcohol,Glycerin,Ammonium Hydroxide,Fragrance,Panthenol,Silicone Quaternium-7.