Complete SetA fresh aromatic hibiscus fragrance is what you'll get when you opt for this purple shampoo for blonde hair. Let the shampoo sit for 2-3 minutes if you're a natural blonde. If your hair is a warmer, natural blonde color and has mild brassiness, 2-3 minutes should be enough time. Then, rinse your hair out thoroughly with cool water. [6] X Research source The effect is softer, both in terms of the colour and how my hair feels afterwards. I wouldn’t recommend taking your purple shampoo right down to the ends. The hair there can be up to four years old so will grab onto too much of the purple pigment. Whether you were born with blonde hair or you pay for it, it can be tough to get the color just right. Even if it looks perfect the day you color it, it can gradually lose its luster and start to turn brassy. Those yellows, oranges and reds that make blonde hair look less brilliant than you’d prefer are hard to avoid. If you can’t avoid it, coat the ends in conditioner first to create a hydrating base and to dilute the shampoo. Then apply your purple shampoo in an 's' shape on mid-lengths and work it in with your fingers to deposit the pigment evenly." For how long should you leave purple shampoo in?

Leave the shampoo for 5-15 minutes for color-treated blonde hair. If your hair is significantly discolored or you recently dyed your hair blonde, leave the shampoo in for 15 minutes. Then, rinse the shampoo out of your hair with cool water. [7] X Research source But Zoe Irwin, creative director at John Frieda Salons, advises clients to be careful as purple-based products can be drying.What Katie says: "This shampoo is infused with citric acid, which cleanses the hair really gently. Bleaching hair damages the strand, but this formula seals the cuticle to prevent further everyday damage. Hair is left looking and feeling softer and more manageable." What is purple shampoo? It's arguably blonde hair's biggest nemesis: brassiness. Why does it happen? "Lighter strands often struggle to look shiny and healthy," says Steve Shiel, scientific director at L’Oréal. "This is because free radicals in the colouring process break down protein so blonde hair becomes porous." Apply purple shampoo to dry hair for a super glossy finish. In lieu of using the shampoo in the bath or shower, massage the shampoo into your hair before you get it wet. Let it sit for 10-15 minutes, then rinse it out with cold water. Applying the shampoo dry can leave your hair glossier and remove a persistent brassy hue. [18] X Research source Provides UV ProtectionIf you spend time outdoors, consider this purple shampoo, which helps protect your hair color from harmful UV rays If you're using purple shampoo on highlights and your base color is dark, only apply the shampoo to blond streaks. Purple shampoo does not affect dark hair.

Those who bleach their hair and live in hard water areas (which creates more mineral build-up on strands), should only use it once a week. Meaning, one bottle will last you until your next colour appointment, if not longer. What Katie says: "When this first came out, it was truly revolutionary. Kérastase know that dyed blonde hair causes damage, they also know that so many of us use purple shampoos to tone. Which can further dry the hair. So they created this clever formula that uses skincare ingredients such as hydrating hyaluronic acid and brightening edelweiss flower to dive deep into weaker follicles. Doesn't give you that super ashy look, but will take down brassiness." Avoid purple shampoo if you have dark hair. Purple shampoo is ideal if you want to turn blonde or silver hair from a brassy to a brighter, more neutralized color. [14] X Expert Source Michael Van den Abbeel Session stylist Ali Pirzadeh concurs and recommends using your regularconditioner afterwards."I wouldn't bother with a purple conditioner as well, as you want to make sure your hair is still being nourished." What's the difference between toner and purple shampoo?When it comes to hair, there’s nothing better than fresh color. The challenge? Maintaining that just-left-the-salon level luster until your next dye job. Blondes in particular may notice signs of brassiness over time. This yellow or orange cast can be caused by a number of things, including "your color oxidizing over time, exposure to UV light, chlorine and even traces of copper in your water,” explains Meri Kate O’Connor, celebrity colorist at Loft 647 in West Hollywood, California. This is where a purple toning shampoo can help. What is purple shampoo good for and what happens when you use it? Massage the purple shampoo into your hair from root to tip. Rub gently as you work the shampoo through your hair, starting at the roots and lathering as your work your way down. Pay special attention to your hair's "problem areas"—brassy or yellowed strands that you're hoping to treat with the shampoo. [5] X Research source You don’t have to have dyed hair to benefit from purple shampoo. In fact, those with naturally blonde and naturally silver hair find it reduces undertones. I decant half my purple shampoo into half a bottle of Oribe Shampoo For Moisture Control," she says. Put simply, violet-hued shampoo is the haircare equivalent of a surly bodyguard. It protects against dullness and unwanted warm tones between colour appointments.