Forming a part of the Glycolic Gloss regimen by L’Oréal Paris, the Leave-In Serum transforms the appearance of hair with smoothness, softness and shine. The treatment utilises a blend of conditioning agents, alongside a powerful Glycolic Gloss Complex, to improve the look and feel of damage. Created with all hair types in mind, the multi-purpose formula also helps to diminish the appearance of flyaways, promoting sleek, salon-worthy results with every use. Pair the serum with the full collection for long-lasting radiance and protection against future damage.