Want to get the shiniest hair of your life ? Discover L'Oreal Paris Elvive Glycolic Gloss Conditioner, the 2nd step of our new at-home glossing routine powered with [Glycolic Acid] known for its multiple benefits in skincare. [Glycolic Acid] penetrates the hair's fibre improving shine, smoothness & strength. Instantly transform your hair for up to 5 x washes. Consumer Use Test, women with dull hair, shampoo + conditioner. 78% of 160 UK women agreed instrumental test after one application of the trinomen & 5 applications of the shampoo. What makes it effective? Shiny hair is healthy-looking hair because its smooth surface perfectly reflects light. Hair damage disrupts cuticles, making fibres rough, porous, and dull unable to reflect light. Glycolic Gloss Conditioner is powered with Glycolic Acid which has a small molecular weight able to penetrate the hair & inject it with care. The Glycolic Gloss Complex contains conditioning agents to seal cuticles with a lasting shine glaze. Hair is shinier & smoother than ever before. L'Oréal Paris Elvive Glycolic Gloss Conditioner for Dull Porous Hair Size: 150ml