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Stronger hair starts from within. This advanced leave-in treatment rebuilds hair’s internal structure to repair damage, improve strength, and smooth texture. Scientifically proven to make hair 8x stronger and reverse a year’s worth of damage in one use*, it leaves hair softer, healthier, and more resilient.
Read Less- A leave-in treatment designed to rebuild and strengthen hair. Helps repair damage from heat, color, and chemical treatments.
- Hair type: All hair types, especially damaged or chemically treated hair
- Targets: Breakage, damage, frizz, dullness
- How to use: Apply to clean, damp hair and heat-style to activate. Pro tip: leave on for 10 minutes before adding styler and heat for best results.
- Cruelty-free, vegan, free from parabens, mineral oils, sulfates (SLS, SLES), DEA, and synthetic fragrance
- Made by Living Proof, a Boston-based company
Beyond Compare
Quince | Amazon | Sephora | |
|---|---|---|---|
| Price | $45.00 | $45.00 | $45.00 |
| Store Credit Offer | $10.00 | $0 | $0 |
| Savings (%) | Yes | 22% | 22% |
| Free Shipping | Yes | Yes | Yes |
| Free Returns | 365 days | 30 days | 30 days |
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Multitude of industry-coveted awards
Paraben Free
Formulated without harmful ingredients
Color & Keratin Safe
Always gentle on treated hair
Premium Ingredients
Effective, high-quality formulations
*Against grooming breakage vs untreated
**Improvement in protein structure vs. untreated
Ingredients are subject to change, we cannot guarantee that these lists are complete, up-to-date and/or error-free. For an accurate listing of ingredients in each product, please refer to your product packaging.