Violet shampoo: how to use it to remove yellow from gray hair without turning it purple

Posted on 28 August 2026

More and more gray hair is gaining ground, it is no longer a problem and instead of trying to cover it at all costs as was the case years ago, now there is much more emphasis on taking care of it. It is clear that gray hair, just like dyed hair, must be paid attention to, because it is one thing to want to show off natural hair and quite another to have unkempt hair. For this reason, we must understand the needs of white hair, which in part are very similar to those of dyed hair.

In this sense, gray hair requires specific care: from the way you wash your hair, the shampoo you use and even the hairstyle and drying have a lot to do with it. According to colorist Sergio Ruiz to the Clara publication, “gray hair is porous and tends to lose hydration more easily, which can make it look drier or duller.” The problem is that porous hair becomes very frizzy and looks drier because it is not able to retain moisture. Furthermore, the same porosity that gray hair has causes it to turn yellow because the hair accumulates impurities more easily.

To solve this, Diana Sepúlveda, gray hair expert, comments that “the trick that few know to take care of gray hair is to alternate violet shampoo with a moisturizing shampoo for daily use, because hair needs hydration and protection.” In this way we will be providing the two things that white hair will appreciate the most: hydration to be soft and not frizzy; and the nuance of the classic yellowish tones of gray hair.

When there is gray hair the key is to alternate shampoos

According to dermatologist Ana Molina: “The function of purple shampoo is to neutralize yellowish tones. Because purple is the opposite color to yellow on the color wheel, so both compensate each other,” she says. The expert advises using purple shampoo twice a week and alternating it with a mild shampoo since toning shampoo tends to be drying.

But if you have to focus on something beyond preventing gray hair from turning matte and yellow, it is hydration. White hair, as we have said, is porous and has a hard time retaining hydration, which is why you have to incorporate a mild shampoo that hydrates deeply. “With age, and especially when gray hair appears – whether dyed or not – hair becomes finer, dry and brittle, the cuticle opens more easily and loses its ability to retain hydration,” Rosi Fernández explained to Clara magazine.

Hairdresser Karen Guerreiro, as she explained to Semana magazine, also believes that “you have to use two different shampoos. One for fine hair, to clean gray hair, and another according to the needs of that hair.”

You have to know how to use violet shampoo well

Of course, toning shampoo is essential when there is gray hair and should not be missing from your hair routine. “You have to use it because gray hair has an internal reflection and that silver shampoo cleans that reflection,” says Guerreiro. But if there is something to know when taking care of gray hair, it is that not all gray hair is the same: “Gray hair that comes from a brown background is not the same as gray hair that comes from a blonde background,” explains Karen.

According to Diana Sepúlveda, the function of this shampoo is to “remove those yellow streaks from your gray hair and make it look more silver.” But if you want a grayish finish, it is better to use a black shampoo. Something that Ana Molina also agrees on, she points out that black shampoo also enters the equation when there is gray hair since it is a good product to blur them a little. Black shampoo “deposits dark pigments on the hair and gray hair so that they look less white and blend better with the rest of the hair,” he explains.

On the other hand, Sepúlveda comments that if your gray hair is more purple than silver “it is a sign that it needs hydration,” and purple shampoo does not hydrate on its own. Hairstylist Gabriel Samra, after years of experience, knows well that “with misuse or inappropriate use of violet shampoo, it causes your hair to feel dry, porous and with violet tones, because due to porosity, the hair absorbs the violet pigment,” he points out.

Furthermore, the expert emphasizes that violet shampoo is not a shampoo to clean hair, it is a shampoo to neutralize. For this reason: “It should be used for a very short time and not too often, just to prevent the hair from turning yellow or warm,” explains Samra.

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Olivia Thompson
Olivia Thompson
I’m Olivia Thompson, born and raised in Wellington, New Zealand. As a lifestyle and travel writer at Latitude Magazine, I’m passionate about uncovering stories that connect people with new experiences and perspectives. My goal is to inspire readers to see everyday life – and the world – with fresh eyes.

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