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Qu’est ce que le Ph d’un cheveux ?

What is the pH of a hair?

What is the Ph of a hair and how to rebalance it?


Hair pH varies depending on several factors, including the person, hair texture, and hair products used. In general, the pH of hair is in the range of 4.5 to 5.5, which makes it slightly acidic. This slight acidity is important because it helps maintain the integrity of the hair cuticle (the outer layer), making it smooth, shiny and resistant to damage.

If you have hair that is pH imbalanced, you may experience issues such as dry, brittle, or damaged hair. To raise the pH of the hair, here are some tips:

  1. Use pH-balanced hair products: Choose shampoos, conditioners, and hair care formulated to balance the pH of the hair. Look for hair products with a pH close to 4.5 to 5.5.

  2. Avoid alkaline products: Certain hair products, such as permanent hair dyes, relaxers, and products containing alkaline agents, can raise the pH of hair. Avoid overuse of these products to maintain a balanced pH.

  3. Rinse with cold or lukewarm water: Hot water can open the cuticle of the hair, which can make it more porous and increase its pH. Rinse your hair with cool or lukewarm water to help seal the cuticle and maintain a balanced pH.

  4. Use hair treatments: Hair masks, nourishing oils, and intensive treatments can help restore moisture and pH balance to hair. Apply these treatments regularly to maintain healthy hair.

  5. Limit the use of harsh styling products: Styling products containing alcohol or harsh chemical ingredients can damage the hair and disrupt its pH. Opt for milder products and use them in moderation.

  6. Eat a balanced diet: A healthy, balanced diet can also contribute to the health of your hair. Make sure you're getting enough essential nutrients, such as protein, vitamins, and minerals.

  7. Consult a professional: If you have persistent hair pH issues despite your best efforts, it may be helpful to consult a hairstylist or dermatologist who specializes in hair issues for personalized advice and recommendations.

Keep in mind that hair pH can vary from person to person, and it's important to find a balance that works for your specific hair.

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