Let it shine: the definitive guide to hair gloss.

Look no further for everything you wanted to know and were too afraid to ask about hair gloss so you can nourish your hair, boost shine and get a color lift. Hair gloss treatments can have many benefits for previously colored hair. Learn about Dia light, an ammonia-free product designed to gloss, tone and refresh color.

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5 min read
10/06/2025

Hair gloss FAQ

  • What is hair gloss?

    Hair gloss is a type of treatment formulated to help smooth, condition, and add shine to your hair.

  • What’s the difference between hair gloss and hair glaze?

    Both help condition and boost shine, though hair gloss has semi-permanent results and hair glaze brings more temporary results.

  • How long does a hair gloss treatment last?

    Depending on the hair gloss formula and on how often you shampoo your hair, results may last anywhere up to six weeks.

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