DESCRIPTION
Discover the L'Oréal Paris Hair Expertise Glycolic Gloss Shine Boosting Mask for dull hair lacking luster. This intensive treatment is infused with Glycolic Acid to smooth the hair fiber and provide shine to your hair in just one use, helping to visibly enhance its glossy-looking finish. Proven effective on dull hair through instrumental testing, this formula activates shine for a transformative gloss effect that starts from the first application, leaving hair looking smoother and more radiant.
For optimal results, simply apply the formula to wet hair for 3 minutes, then rinse out. In case of contact with eyes, rinse immediately and thoroughly. Use in combination with the L'Oréal Paris Hair Expertise Glycolic Gloss Shampoo and Conditioner and follow with the L'Oréal Paris Hair Expertise Glycolic Gloss Shine Boosting Mask for the best results and maximum shine. Designed to provide a silky-smooth finish, this fast, easy-to-use hair mask is a simple and convenient addition to your daily hair care routine.
MORE DETAILS
3-Minute Hair Care Treatment: Fast and easy to use, apply to wet hair, leave on for 3 minutes, then rinse thoroughly to reveal a shiny, glossy finish
Glycolic Acid Enriched Formula: Contains glycolic acid to help enhance shine and boost radiance while deeply smoothing the hair fibre for a shiny, glossy finish
Visible Results After One Use: Formulated with Glycolic Acid to smooth the hair fiber and provide shine, radiance, and a glossy finish in just one use
Proven by Instrumental Testing: Proven effective on dull hair through instrumental testing, helps boost shine, smooth the hair fiber, and reveal a glossier, more radiant finish
HOW TO USE
How to use a hair mask?
• Apply the L'Oréal Paris Hair Expertise Glycolic Gloss Shine Boosting Mask to wet hair and leave it on for 3 minutes to allow the enriched Glycolic Acid formula to deeply penetrate the hair fiber
• Rinse thoroughly to reveal radiant shine and a stunning glossy finish
• In case of contact with eyes, rinse immediately and thoroughly with water
• Use in combination with the L'Oréal Paris Hair Expertise Glycolic Gloss Shampoo and Conditioner and follow with the L'Oréal Paris Hair Expertise Glycolic Gloss Shine Boosting Mask for optimal results
INGREDIENTS
FAQ
What is the Glycolic Gloss Shine Boosting Hair Mask?
How does this product benefit dull hair specifically?
Why is Glycolic Acid used in this formula?
What is the fragrance profile?
Is this product safe for daily use?
How sfhould I apply the Glycolic Gloss Shine Boosting Hair Mask?
• After shampooing with Glycolic Gloss Shampoo, apply a generous amount to wet hair.
• Work evenly through your lengths and ends, ensuring every strand is coated.
• Leave on for 3 minutes to allow the Glycolic Acid formula to deeply penetrate, then rinse thoroughly.
• For maximum shine, use in combination with the complete Glycolic Gloss routine.



![Close-up of the open pink jar of L'Oréal Paris Glycolic Gloss hair mask revealing smooth white cream inside. Text reads: "Formulated with 12% gloss complex with [glycolic acid]".](https://www.lorealparis.ca/-/media/project/loreal/brand-sites/oap/americas/ca/products/hair/hair-care/hair-expertise/2026/07/mask/glycolic-gloss-core/en/3600524267896_eng_pdp-03.jpg?w=420&hash=7E1697440209F7E4F47FDDA136217B3A)








