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Color Notes: Science

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Science

Hair Gloss vs. Toner: What LA Salons Get Wrong

Gloss and toner are used interchangeably at most LA salons, but the products and the outcomes are not always the same. The difference matters when you are trying to understand why your color looks different visit to visit. Here is the chemistry behind each and the right questions to ask before agreeing to an add-on service.

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Science

Hard Water and LA Sun Are Fading Your Hair Color: What to Do

LA tap water tests between 200 and 250 PPM hardness, and the UV index peaks at 11 for five months of the year. Both forces are attacking your color continuously, and most advice written for other climates does not account for them compounding. This covers the exact mechanism and what a product routine calibrated to LA conditions actually requires.

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More from Color Notes: Beyond Science

A few more guides worth your time while you are here.

Technique

What Babylights Actually Are (and Why They Take So Long)

If you typed "what are babylights" into a search bar, you probably already sat through a consultation and heard a number that surprised you, or you heard a colorist use the word and nodded along without really knowing what it meant. Both reactions are common, because babylights get mentioned constantly in salons and rarely get explained.

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