When your hair gets wet, it swells, the hair shaft opens, and some color leaches out," says Schueller, who tested sulfates against other surfactants and didn't see any notable differences in terms of fading color.

This applies not only to makeup, but also to new hair looks that venture beyond the monotony of my favorite shampoos and conditioners, leave-ins, and tried-and-true hair wraps.With so many formulas containing stripping and drying ingredients, it could be that the shampoo you're using right now is making the state of your colour even worse. Why It's Worth It: Ferrara always tells clients to reach for DpHue's Color Fresh Shampoo to keep their color job looking healthy in between salon visits. It adds shine and moisturizes surprisingly well—both of which gray hair tends to need—without weighing down the roots, he says.

Enter Dizziak, which serves one hell of a hydration hit for afro hair types – although it works its magic on any mane in need of a serious drink. If you're going outside for extended periods of time, protect your scalp and hair with a hat," she adds. I like the clean and refreshing scent, that it's not messy to rinse off and leaves my hair squeaky clean. This is going to depend on the texture of your hair (whether you have 4C, tightly coiled Afro strands, or fine and wispy European locks), as well as on the colour you've chosen – peroxide blonde locks will likely need a different shampoo to golden highlights.The gentle, shine-enhancing cleanser will keep your bright shade fresh and is the ideal daily option. It has a top-notch ingredient blend, too: glycerin, sunflower extract and pearl extract nourish hair and add shine. With balayage and the Scandi hair line proving to be some of this year's biggest hair trends, it's safe to say that our love for all things hair dye isn't going anywhere. The Good Housekeeping Institute Beauty Lab regularly tests both shampoos and hair color-related products. Celebrity hairstylist Laurie Heaps suggests using a purple shampoo to remove brassiness from color-treated hair.

Aptly named, the amino ions present in this pH-balanced formula cling onto strands like magnets to lock in color while strengthening hair at the same time.

At the time of publishing, we were not able to find enough color-depositing shampoos from Black-owned and/or Black-founded businesses to meet this percentage. While a purple shampoo can put in the work to counteract brassy tones, pairing it with a coordinating conditioner can help keep your hue pristine until your next salon visit. Why we love it: If you’re looking for a purse-friendly shampoo for coloured hair, this one is a best selling crowd pleaser. Editor Tip: The relaxing combination of vanilla bean and orange scents alone is enough to get you hooked.