Ultimate glycolic gloss lamination 5-minute leave-in treatment seals in shine, giving hair long-lasting radiance. smooth hair is healthy-looking hair, reflecting light perfectly. hair damage creates a rough surface, preventing light reflection and resulting in a dull, lifeless appearance. enriched with [glycolic acid], its formula seals in hair with long-lasting shine. *x2 brighter*
+88% smoother**
*instrumental test.
**instrumental test results from combined use of shampoo, conditioner, and leave-in treatment.
apply a generous amount to damp hair, from root to tip. leave on for 5 minutes, then rinse.