Putting purple toner on grey hair neutralizes unwanted yellow or brassy tones, making the hair look cooler, brighter, and more silvery or white by canceling out warmth, thanks to color theory where purple sits opposite yellow on the color wheel; however, overuse can lead to a purple tint or dullness, so it's best used periodically and followed with deep conditioning.
The answer is that purple shampoo can have an almost endless amount of benefits for your hair color. Purple shampoo has been used for decades by hairdressers, mostly to help tone and neutralize blonde and gray hair, getting rid of brassy or yellow tones for an overall more cool-toned look.
Purple shampoo is the best toner to use when it comes to gray hair because it neutralizes brassiness caused by heat styling, medications, product buildup, sun, salt, chlorine and environmental pollutants.
Your hairdresser likely advised against purple shampoo to prevent dryness, dulling, uneven color (ashy/muddy), or over-toning (purple/blue tint), as it's a temporary fix not for everyday cleaning, and can interfere with future coloring by creating buildup, especially if your hair is very porous or already a bright, cool blonde. They might prefer professional toners, moisturizing treatments, or detox shampoos for better, healthier results.
If you use purple shampoo or conditioner too frequently, you run the risk of damaging your hair or accidentally leaving a purple tint.
The truth is: purple shampoo itself doesn't cause hair loss, but the wrong formula or overuse might contribute to other issues that lead to breakage or increased shedding. Here's what to watch out for: Dryness from harsh ingredients or over-toning. Buildup on the scalp if the product isn't rinsed properly.
The blue pigment cancels out orange, and the purple pigment cancels out yellow. All this talk about color comes down to two important points. Blue shampoo removes orange tones from brunette or darker hair, while the purple shampoo is a great option when yellow tones appear in blonde or light-colored hair.
While the violet tones in purple shampoos can help bring blonde back to life, it does this by adding more toner; in effect, covering up the mineral coating on the hair cuticle. The more you shampoo with tone-correcting products, the more buildup you create — and the darker your blonde looks.
What are the worst shampoos for hair loss?
Brassy tones in dyed or bleached hair can fade over time, but they often persist as the underlying warm natural pigments re-emerge with the fading of the dye or toning treatments.
For a youthful look at 60, opt for warm, soft, blended colors like honey blonde, caramel, warm auburn, or chocolate brown with caramel highlights, which add brightness and soften features, avoiding harsh, solid dark colors or platinum blonde. Adding subtle highlights or lowlights creates dimension, and embracing natural gray with a silver or platinum shade can also be very modern and flattering, especially with a soft, layered cut.
Korean grey hair treatments focus on nourishing the scalp, using natural ingredients like ginseng to boost melanin (like WT Methode or Daeng Gi Meo Ri) for potential color restoration, or employing pigmented shampoos (like Moda Moda or Ryo) for temporary darkening, often avoiding harsh chemicals for gentle coverage, alongside general hair health via oils, serums, and toning. While no magic cure reverses all gray, these K-beauty approaches manage premature graying and maintain color naturally.
Best Toner for Natural Grey Hair
The best toners for blending your lengths in with your natural grey hair are the Wella Colour Charm T18 Lightest Ash Blonde and Wella Colour Charm T14 Pale Ash Blonde. A combination of both (half of each) will give the most natural shimmery silver grey results.
How often can you use purple shampoo on gray hair? It is widely recommended only using purple shampoo on gray once a week.
Use Color-Depositing Products
In the same way you would use a purple shampoo to neutralize brassiness in blonde hair, it can also make silver hair retain its crisp hue by neutralizing yellow tones.
The "Big 3" hair loss treatments, popular in forums, are Minoxidil, Finasteride, and Ketoconazole shampoo, often combined to tackle hereditary hair loss (androgenetic alopecia) by boosting growth, blocking hormones, and reducing inflammation. Minoxidil (Rogaine) widens blood vessels, Finasteride (Propecia) blocks DHT, and Ketoconazole fights scalp fungus and inflammation, with microneedling sometimes considered a fourth addition.
Hair loss can signal deficiencies in nutrients like iron, Vitamin D, Zinc, Biotin (B7), B12, and even Vitamin C, as these support follicle health, oxygen supply, and keratin production, but it's crucial to see a doctor for blood tests to confirm which nutrient you're lacking, as excess vitamins (like A or Selenium) can also cause hair loss, notes Harvard Health and The Hairy Pill.
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Purple shampoo combats this by using violet pigments that sit opposite yellow on the color wheel. When applied, these pigments neutralize warm tones and restore cooler, silvery shades. With consistent use, purple shampoo helps gray hair look brighter, fresher, and more vibrant.
Adina Doss wisely advises caution against excessive use: “When you eliminate too much yellow, it visually ends up darker and a lot of people don't want it to look darker.” This means that utilizing purple shampoo too frequently can lead to your blonde appearing dull, muted, or even acquiring an undesirable slight ...
Our professional and experienced colorists will know how to subtly darken your highlights without losing their natural dimension. This might be achieved by applying lowlights to soften chunky or overly light sections – or using a toner or gloss to make your highlights appear more natural and less overly bright.
Leaving Toner Too Long on Hair
The longer the toner stays on your hair, the more it can strip away natural oils and moisture, leaving it feeling rough and dull. To avoid this hair damage from toner, follow the instructions provided with the toner and do not exceed the recommended processing time.
Frequently Asked Questions About Toner
When facial toner is working correctly, your skin should immediately feel hydrated and refreshed. Visible improvements in tone and texture should be noticeable after one to two weeks, with continued improvements.
If it's your first time trying purple shampoo, experiment with leaving it on for only 5-10 minutes before washing it out. You can go up to 15 minutes next time if you notice little to no difference after drying your hair.