L'Oreal Paris Elvive Glycolic + Gloss Leave-In Hair Serum, 4.4 oz — 4% Glycolic for Instant High Shine & Lightweight Smoothness

L'Oreal Paris Elvive Glycolic + Gloss High-Shine Leave-In Hair Serum instantly smooths porous, dull hair and delivers a visible glossy finish.

Designed to borrow techniques from skincare, this leave-in serum contains a 4% Glycolic Acid Complex that helps even out hair surface texture so light reflects more uniformly. The lightweight formula works on damp or dry strands, layering with the Shine Boosting Shampoo and Conditioner for a complete gloss-enhancing routine. It’s fragranced with grapefruit, jasmine, and cedarwood for a fresh, modern scent.

How quickly will I see shinier hair?

Most users notice improved surface smoothness and a glossier look immediately after application, because the serum fills and levels porous areas on the hair. Results intensify when the serum is part of the full Glycolic + Gloss routine—shampoo, conditioner, then leave-in.

• Instant gloss visible right after styling
• Strands feel smoother—formula claims up to 14x smoother
• Works on both damp and dry hair for flexible use

Will this serum weigh my hair down or leave residue?

The leave-in is formulated to be lightweight and non-greasy, designed to smooth without heavy buildup. Because it’s intended for both damp and dry application, a small amount goes a long way—apply sparingly through lengths and ends to avoid overapplication.

• Light texture minimizes weighing down fine hair
• Apply sparingly to avoid any residue
• Suitable for touch-ups on dry hair to refresh shine

How does Glycolic Acid help hair shine without damaging it?

Glycolic Acid in hair products is used at controlled concentrations to smooth the hair surface by addressing rough, porous cuticles so they reflect light more evenly. This serum pairs the acid complex with conditioning agents to reduce friction and preserve manageability, not to alter hair structure.

• 4% Glycolic Acid Complex smooths hair surface texture
• Added conditioning ingredients help maintain softness and slip
• Formulated for cosmetic smoothing, not chemical restructuring

How should I use it for best results?

Use the serum after washing with the Shine Boosting Shampoo and Conditioner, or apply a small amount on dry hair to boost shine between washes. Distribute evenly through mid-lengths and ends; style as usual. For optimal glide and manageability, follow the product directions and avoid excess application.

• Apply to towel-dried hair or dry hair for targeted shine
• Use a pea-sized amount for short hair, more for longer lengths
• Combine with the Glycolic + Gloss shampoo and conditioner for a full routine

Who is this for? L'Oreal Paris Elvive Glycolic + Gloss High-Shine Leave-In Serum is aimed at people with dull, porous, or textured hair who want a lightweight cosmetic solution to increase surface smoothness and reflective shine. It’s suitable for all hair types seeking a non-heavy finishing product—especially helpful for hair that looks matte or uneven under light. If you want instant gloss, easy application on damp or dry hair, and a routine-friendly product that complements a gloss-boosting shampoo and conditioner, this serum fits into everyday styling without complex steps.

Ingredients

1041845 PT1 - INGREDIENTS: AQUA / WATER / EAU • PEG-40 HYDROGENATED CASTOR OIL • DIMETHICONE • PARFUM / FRAGRANCE • PHENOXYETHANOL • SODIUM HYDROXIDE • HYDROXYETHYLCELLULOSE • SCLEROTIUM GUM • HYDROXYPROPYL GUAR • CETRIMONIUM CHLORIDE • AMINOPROPYL DIMETHICONE • STEARAMIDOPROPYL DIMETHYLAMINE • LACTIC ACID • HEXYL CINNAMAL • LINALOOL • LIMONENE • ETHYLHEXYL SALICYLATE • HYDROXYCITRONELLAL • GLYCOLIC ACID • BENZYL BENZOATE • CITRONELLOL • DISODIUM PHOSPHATE • POLYSORBATE 60 • BENZYL ALCOHOL • CITRAL • SODIUM PHOSPHATE (F.I.L. T70059279/1).