GET INTENSE GLOSSY SHINE IN JUST 5 MINUTES with the new L'Oréal Paris Hair Expertise Glycolic Gloss 5 Minutes Lamination Glossing Treatment. This lamination treatment, also known as a glossing treatment, is powered by a 17% Glycolic Acid Gloss Complex that penetrates deeply into the hair fiber to improve hair quality and seal cuticles with a lasting glossy effect.