Keratin Hair Treatment for Damaged Hair – 2000ml Duo (2 x 1000ml)
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100% Organic & Vegan
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Major Ingredients & Benefits
Fresh Ingredients
Our PURC Brazilian Keratin Hair Treatment is infused with Keratin, Plant Extracts, and a Gentle Cleanser to deeply repair, smooth, and straighten damaged hair. This salon-grade solution eliminates frizz, hydrates strands, and leaves your hair shiny, sleek, and touchably soft for months.
Complete List Of Ingredients
Keratin, Plant Extracts, Gentle Cleanser, Aqua, and additional safe conditioning agents.
All PURC products are sulfate-free, silicone-free, and paraben-free, making them safe for professional and at-home use while ensuring long-lasting, healthy results.
- Natural Ingredients
- Safe Synthetics
Fighting Animal Testing
We do not test our finished products on animals. We also only purchase our ingredients from suppliers who do not test on animals.
Real Users, Real Results
See real user results and genuine before-and-after photos.






PURC’s Keratin Hair Treatment for Damaged Hair is formulated to tame frizz, smooth curls, and restore dry, damaged strands to silky perfection. Enriched with keratin to repair broken bonds and plant extracts to nourish and hydrate, this professional treatment strengthens while it straightens, locking in moisture and shine for results that last up to 3 months.
The PURC Brazilian Keratin Hair Treatment is formulated with cutting-edge molecular technology and premium imported raw materials to give you long-lasting results in just one session.
Main features
- Fast Repair: Restores dry and damaged hair in as little as 30 minutes.
- Straightening Power: Smooths and straightens curls and frizz effectively.
- Long-Lasting Results: Keeps hair sleek and shiny for up to 3 months.
- Shine & Softness: Adds brilliant shine, leaving hair soft and silky to the touch.
- Safe & Effective: Free from sulfates, parabens, silicones, and harmful chemicals.
Based on a study of 10,000 consumers, PURC Keratin Hair Treatment has been proven to smooth and soften hair within 5 seconds of application, delivering professional results that outperform standard salon treatments.
Frequently Asked Questions
What is PURC Keratin Hair Treatment?
It is a professional Brazilian Keratin treatment designed to repair, smooth, and straighten hair while restoring lost protein and eliminating frizz.
How does it help me?
It repairs damaged strands, strengthens hair fibers, smooths cuticles, and provides long-lasting straightness with natural shine.
Does it have any side effects?
No, our formula is free from sulfates, silicones, and parabens. However, stronger versions (with higher formalin levels) may have a stronger odor and should be applied by professionals.
What are the main ingredients?
Keratin, Plant Extracts, Gentle Cleanser, and other safe conditioning agents.
How often can I use it?
Each treatment lasts up to 3 months, depending on hair type and care routine. It is not required more frequently unless your hair grows out or loses its straightness.
What are the directions for use?
1. Wash hair with PURC Purifying Shampoo.
2. Blow-dry completely.
3. Apply treatment evenly, section by section.
4. Allow absorption (20–30 minutes depending on hair type).
5. Blow-dry again, then flat iron in small sections at 200–230°C.
6. Avoid washing for 72 hours, then maintain with PURC Keratin Daily Shampoo & Conditioner.
How long until I see results?
Results are immediate after the first application—your hair will feel smoother, shinier, and straighter right away.
Any precautions?
Always perform a patch test before use.
Wear gloves during application.
Stronger formulas (8%–12%) are recommended only for very curly or resistant hair, preferably applied by a salon professional.
What is included in the PURC Keratin Hair Treatment Duo package?
Each package contains two bottles of 1000ml Keratin Treatment (2000ml total). This salon-sized duo is designed for long-term use or professional application, making it a cost-effective choice for both individuals and hair salons.
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More About
PURC Organics
Our 100% pure Argan Oil comes from Morocco, Polygonum extracts come from rural China, Cinnamon sticks come from Sri Lanka, and so on. We source our essential oils and raw ingredients from fair-trade farming associations around the world.

PURC produces only the highest quality hair and skin-care products. We’ve been producing hair care products for more than 9 years, with a GMP (Good manufacturing practice) workshop. Our products pass the worldwide ISO-9002 standards.
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