- L'Oréal Paris Elvital Glycolic Gloss leave-in hair serum enriched with glycolic acid - Provides mirror-like shine, intense softness, and a healthy finish to hair - Repairs and regenerates the hair fiber, ideal for dull and brittle hair - Seals the cuticle and protects against external damage - Improves flexibility and makes daily styling easier - Easy application: two drops in your hands, apply to lengths and ends, on damp or dry hair - 150 ml format, suitable for all hair types seeking shine and vitality