How do I use this serum?

Dispense two drops into your palms, rub hands together, and distribute evenly through the lengths and ends of either wet or dry hair after washing and conditioning steps in the Glycolic Gloss routine.

Who is this product best for?

Ideal for dull, porous hair types looking for a salon-like gloss and smoothness, with benefits lasting through multiple washes.

What are the key ingredients and their benefits?

Glycolic Acid Gloss Complex helps improve hair quality and seal cuticles for lasting shine; Isododecane and Dimethicone aid in even application and a smooth finish; Glycerin helps maintain moisture.

Are there any usage precautions?

Follow the included product instructions for usage. Use as directed after cleansing and conditioning; keep away from eyes and discontinue if irritation occurs.

L'Oreal Paris

L’Oréal Paris Shine Leave-In Serum Glycolic Gloss 150 mL

CA$26.11

Shipping to Canada

Processing: 1–3 business days Delivery: 3–7 business days

Shine Leave-In Serum Glycolic Gloss by L’Oréal Paris is a 150 mL treatment that delivers instant glossy shine for dull, porous hair with a 17% Glycolic Acid Gloss Complex, leaving hair 2x shinier and 75% less frizz.

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SKU: CH3600524143251 Category: Hair Loss Treatments Brand: L'Oreal Paris

Shine Leave-In Serum Glycolic Gloss delivers instant glossy shine for dull, porous hair in minutes. This leave-in serum is powered by a 17% Glycolic Acid Gloss Complex that penetrates the hair fiber to improve quality and seal cuticles for a lasting glossy glaze. Designed to elevate fine to textured hair, it helps hair reflect light more efficiently for a salon-worthy finish at home.

Key benefits

2x shinier hair and up to 88% smoother strands for a visibly refined feel
75% less frizz for up to 10 washes, helping you maintain a polished look
Fast action with intense shine in just 5 minutes after application
Seals cuticles with a glossy glaze to enhance light reflection
Protects and smooths hair after shower routine as a finishing step

Ingredients and how they help

Glycolic Acid Gloss Complex — a conditioning system that penetrates the hair fiber to improve quality and seal cuticles, supporting a lasting shine glaze.
Isododecane and Dimethicone — lightweight silicones and solvents that help the serum spread evenly and leave a smooth, non-greasy finish.
Glycerin — a humectant that helps maintain moisture in the hair shaft for added softness.
Fragrance (Parfum) and colorants — contribute to a pleasant, salon-like sensory experience while maintaining product aesthetics.

Usage guidance and who this is for

How to use: Step 4 of the Glycolic Gloss Routine: After washing with the Glycolic Gloss Sulfate-Free Shine Shampoo (Step 1), conditioning with the Glycolic Gloss Shine Conditioner (Step 2) and the Glycolic Gloss 5 Minutes Lamination Glossing Treatment (Step 3), dispense two drops of the Glycolic Gloss Shine Leave-In Serum into your palms, rub together, and evenly distribute through the lengths and ends of either wet or dry hair. Follow the included product instructions for usage. This product is ideal for dull, porous hair seeking a polished, reflective finish and reduced frizz across multiple washes.

Storage and handling: Keep out of reach of children. Follow the included product instructions for heating times / dosage / specific usage.

What to expect: Hair appears shinier and smoother with a glossy glaze that helps reflect light for a more vibrant look.

Note: The Glycolic Gloss Shine Leave-In Serum is part of a multi-step routine designed to deliver salon-inspired shine at home.

Closing thought: For best results, use as directed in the Glycolic Gloss routine to maintain smoothness and luminosity between washes.

Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always read and follow the product label. Consult a healthcare professional if you have any health concerns.