Garnier Fructis Sleek & Stay Heat-Activated Serum, a breakthrough treatment designed to deliver semi-permanent results. Powered by our patented Alpha-Silane technology, this advanced serum provides a semi-permanent smoothing effect that lasts for up to 10 days and through 5 washes*. When activated by heat, the formula creates an invisible, ultra-resilient film that is 80% waterproof, sealing the hair fibre to block out humidity while providing high-performance thermal protection up to 230°C.The result is a mirror-like shine and a frizz-free finish that stands the test of time. Inspired by Keratin Treatments. The Power of the 4-Step Keratin Sleek System This serum is the definitive final step in our comprehensive smoothing regime
Product Benefits:
- Patented Alpha-Saline Technology: A revolutionary heat-activated complex that provides a semi-permanent sleek effect for 10 days of manageable, frizz-free hair*.
- Heat-Activated Protection: Creates waterproof film (up to 80%) and heat protection (up to 230°C) for ultimate frizz control during styling
- Mirror-Like High Shine: Clinically proven to transform dull hair into a radiant, glossy finish that reflects light for a healthy-looking glow.
- Officially Approved Cruelty-Free: Proudly approved by Cruelty Free International, reflecting Garnier’s commitment to a world without animal testing since 1989.
50mL Serum
