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Hair Cuticles and importance of using an acidic colour.

Hair cuticles are the outermost layer of the hair strand, and they play a crucial role in the health and appearance of our hair. These scales, which are made up of a protein called keratin, protect the inner structure of the hair, known as the cortex, from damage.

When our hair is healthy, the cuticles lay flat, creating a smooth surface that reflects light and gives our hair a shiny appearance. However, when the cuticles are damaged or raised, the hair can appear dull, frizzy, and prone to breakage.


hair cuticle and hair strand health - normal closed cuticle, porous cuticle
Hair cuticle health

One of the most common causes of damaged cuticles is the use of harsh hair dyes. Many hair dyes, particularly those that are basic (alkaline) in nature, can raise the cuticles and cause damage to the hair. This is why it is important to use acidic hair dyes, which help to maintain the pH balance of the hair and keep the cuticles in their natural, flat position.

Acidic hair dyes are not only better for the health of our hair, but they also offer more vibrant and long-lasting color results. This is because acidic dyes penetrate the hair shaft more effectively, creating a deeper and more even color.


Redken Shades EQ
Redken Shades EQ - acidic hair colour

When choosing a hair dye, it's important to look for products that are specifically designed to be acidic, such as those that contain ingredients like vinegar, citric acid, or hydrochloric acid. These ingredients help to lower the pH of the dye, making it more compatible with the natural pH of the hair.

In addition to using acidic hair dyes, there are other ways to protect and maintain the health of our cuticles. Regularly using a deep conditioning treatment, avoiding heat styling tools, and using a wide-toothed comb can all help to keep the cuticles in good condition.

In conclusion, the cuticles are an important part of the hair strand that protect the inner structure of the hair from damage. Using acidic hair dyes can help to maintain the pH balance of the hair and keep the cuticles in their natural, flat position, which can lead to healthier and more vibrant hair.


Normal closed and extra porous hair cuticle
Normal closed vs. extra porous hair cuticle

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