Dyeing your hair can be a fun way to switch up your style, and nothing says fun like a bright and bold hairdo. If it’s time for a change, blue hair dye is a choice that celebrities from Lady Gaga to ...
Even if you have dark hair, there are plenty of options to help you transform your locks into a magical ocean-inspired hue. The best blue hair dyes for dark hair have highly pigmented formulas that ...
Teen Vogue: What I Wish I Knew Before Dyeing My Hair Blue
A little over a year ago, I made a beauty move I'd been fantasizing about for years: I went from brunette to colorful strands with the help of blue hair dye, by dyeing my hair blue with green at the ...
New Scientist: Hair dye that changes in UV light can reveal your risk of sunburn
Colour-changing stickers and hair dye that react to ultraviolet light could help people gauge when they are at risk of sunburn. Alex Mariakakis at the University of Washington in Seattle worked with a ...
Hair dye that changes in UV light can reveal your risk of sunburn
In order to see, there must be light. Light shines on an object, then bounces off, or reflects, back to our eyes. Our eyes are sensitive to a certain kind of light called visible light. Visible light is all the colors (red, yellow, blue, etc.) that we can see. But there are many other kinds…
CR tested 21 popular boxed hair dyes from Madison Reed, L'Oreal Paris, Revlon, Clairol, Nutrisse, and more. We looked for VOCs, heavy metals, and phthalates.