THEThe most famous is the blue shampoo, capable of controllingadmire the warm shades of blonde hair, but he’s not the only one: There is a purple, anti-glare shampoo that is useful for neutralize the warm shades even on light browns, but also the green shampoo, specifically for browns and reds. Word to the expert on how to (correctly) use anti-glare shampoos.
Anti-glare shampoos: how they work
“The anti-glare shampoo it is generally a cosmetic product formulated specifically for counteract and improve unsightly shades of yellow, orange and redexploiting the theory of color or chromatic contrasts” begins to explain Antonella Monterisi, Technical Director of Cotril.
The reflections on the hair, in fact, change over time: «The use of hairdryers and straighteners, atmospheric agents such as sun and smog, but also the quality of the water, can oxidize the color of the hair, highlighting the warm pigments that are contained in both natural and colored hair. The result? A dull and dull hair. The bleaching process also emphasizes the need for such products even more.”
Purple, green and blue shampoo: which one and for whom
«These colored shampoos are formulated with special pigments that counteract unwanted reflections of the hair shafts, improving hydration, elasticity and shine.”
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«To cancel yellow, for example, you need to use the color purple: if mixed together, these nuances neutralize each other. The same goes for blue against orange, and green against red» continues the Cotril expert. So, yes to blue shampoo on “yellowed” blondes and shampoo blue or green on “orange” browns.
«To ensure that the pigments act in neutralization it is important to analyze the hair structure and the starting base very well, choosing the most suitable anti-reflection product. It is essential that the consistency is medium dense and not watery, and that the color is rather intense, otherwise the pigments may not be sufficient to obtain the desired result.”
How often (and how) to use the treatments
“Important respect the application times recommended on the bottle to give the pigment time to envelop the hair and restore the cold tones, generally a few minutes longer than with a normal shampoo» they specify from Cotril.
«Just one application a week will be more than enough to maintain cool shades and avoid unwanted reflections. Not just for dyed hair, these specific treatments can also be used on natural hair, to avoid unwanted changes caused by mechanical stress, so as to bring extreme shine and enhance the characteristics of your color” concludes the expert.
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