It certainly wouldn't hurt! Because you don't live in a bubble, it can be hard to keep environmental factors from altering your hue. 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. From her first appearance alongside boyfriend Prince Harry in 2017 to the present day, these are Meghan Markle's fashion favorites. The secret weapon you need to deploy in your haircare arsenal, then, is this: A shampoo for coloured hair. Editor Tip: The ingredients are housed in liposomes, which release them throughout the day for a lasting effect. To make your color last as long as possible, she says you should "always wash with cold water, using color safe products. Also, use low heat and heat protection while styling where high heat will also result in color fading."

Looking for a temporary hair color that's especially easy to apply? Consider this spray-on option from L'Oreal, which is great for very temporary looks (think: a music festival, a costume party, etc.). Unlike many at-home dyes, this option also doesn’t require any pre-procedure bleaching or hair lightening. One reviewer helpfully adds that if you're dealing with a greasy scalp, this also doubles as a "fabulous dry shampoo." It comes in 11 different shades, and is also handy for dying tips, side bangs, or for creating a streaked look. Catering to those with platinum and naturally or color-treated gray hair, the Redken Color Extend Graydiant Purple Shampoo uses purple pigments to brighten and tone gray and silver strands. As it removes brassy, yellow tones from your hair, its nourishing formula strengthens and repairs your strands from the inside out so you can enjoy softer, smoother and shinier tresses. While blonde hair's freshness can be extended using the best purple shampoo and conditioner, it's also important to protect the hair colour overall. So, we asked an expert: what should we be doing in the hair colour maintenance department? This bottle might be on the pricier side, but it includes an impressive 1000ml of product, so will last you absolutely ages.Certain ingredients in normal shampoo formulas – such as those that help the product to lather – can potentially strip some of the dye from your strands. The result? You could be looking at a duller shade, or one that becomes brassy. It is so important to make sure you're using the correct hair shampoo to keep your colour looking fresh and vibrant while also cleansing the scalp,” Zoë Irwin, renowned colourist and Wella Professionals UK colour trend expert, stresses. Meet the experts: Created with your hair’s health in mind, the SheaMoisture Purple Rice Water Shampoo delivers a moisturizing and strengthening blend of wild orchid and sweet violet extracts directly to your strands to prevent brittleness and breakage. Its purple-hued formula also corrects the look of yellow, brassy tones in color-treated hair, enhancing, preserving and extending its vibrancy while giving it a mineral-rich, gentle impurity-cleansing lather. The Good Housekeeping Institute Beauty Lab tests shampoos for colored hair alongside each brand's matching conditioners, putting the pairs through a number of rigorous evaluations to see how well they perform. During our most recent test, Lab scientists prescreened over 160 shampoo and conditioner duos, narrowing them down to the top 10 formulas. Countless reviewers rave about the great smell of this product, but rest assured that it's also quite effective, claiming to yield results in only three minutes. Plus, the formula is made from 95 percent natural ingredients, including protein-rich baobab seed extract and quinoa. "What I really love about this product is that it's great for refreshing my color and it's a really great moisturizing hair mask at the same time," writes one customer. "It's killing two birds with one stone."

Why It's Worth It: Sealing in and maintaining your color is as easy (and peachy) as lathering your hair in the ultra-moisturizing shampoo, which is infused with hydrolyzed quinoa to slow down fading and repair damage. It's paired with rose oil and peach for extra hydration — not to mention a delicious scent. A must-have for boldly hued hair colors, the Celeb Luxury Viral Color Depositing Colorwash Shampoo is available in fan-favorite shades such as pink, purple, blue and green and acts as a color-extending formula for colorful strands. Not only does its color-depositing formula make it great for extending the vibrancy of your hair, but it also allows it to act as a temporary hair dye for blond and pre-lightening hair. Since color-treated hair is more prone to dryness and breakage, this top-rated shampoo also contains hydrating ingredients to keep dullness at bay. Why It's Worth It: The New Zealand-based brand's prices are not only totally reasonable, but the dreamy, petal-pink bottles add a minimalistic but elevated feel to bathroom shelves. A nourishing blend of softening shea butter, hydrating coconut oil, barrier-supporting vitamin E, and split end-healing panthenol ensures both your hair and scalp feel pampered. Once the temporary hair color has successfully been applied, Blais says that it typically lasts "10-12 washes, depending upon how often you wash your hair or how light the canvas of hair they were applied to. Vivid color always lasts best on hair lifted to pale blonde or what I like to tell people—the color inside of a banana." Below, explore the best color-depositing shampoos that will help keep your mane vibrant while also protecting it from damage. Matrix Total Results Brass Off Color Depositing Blue ShampooGabrielle Ulubay is an E-Commerce Writer at Marie Claire and writes about all things beauty, sexual wellness, and fashion. She's also written about sex, gender, and politics for publications like The New York Times, Bustle, and HuffPost Personal since 2018. She has worked extensively in the e-commerce and sales spaces since 2020, including two years at Drizly, where she developed an expertise in finding the best, highest quality goods and experiences money can buy. As a film school graduate, she loves all things media and can be found making art when she's not busy writing. Designed to neutralize brassiness in all hair colors, the Aveda Blue Malva Shampoo deposits a violet-blue hue that tones, brightens and protects your color-treated strands. Especially beneficial for blond and gray hair that’s prone to dullness and unwanted warm tones, this cool-toned shampoo wraps your strands in hair-healthy ingredients like amino acids, sweet almond oil and aloe vera juice to ensure that it’s properly hydrated and nourished while leaving your hair lightly fragranced with the brand’s signature organic ylang-ylang, lemon and eucalyptus scent. Blais says that when it comes to temporary hair color, the safest way to proceed is on clean, damp hair. "This allows you a little leeway during application to make sure everything is fully saturated," she explains. "Always follow manufacturer instructions on processing time to make sure you maximize your results!" How Long Does Temporary Hair Color Last? Seiberg M. Age-induced hair greying—the multiple effects of oxidative stress. Int J Cosmet Sci. 2013;35(6):532-538. doi: 10.1111/ics.12090