Spécifique Divalent Amino Acid Hair Care
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5 Ways Amino Acids Help Your Hair & Tackle Grease

In this blog post, we’ll explore the wonders of amino acids and how they can bring out the best in your hair.

Recently, we’ve been loving seeing our clients (and stylists) benefit from hair products containing amino acids, especially those in the Spécifique Divalent range by Kerastase. What’s not to love, when you find a shampoo that gently cleanses and rebalances oily roots and dry ends? So, we thought we’d talk you through some of the benefits of amino acids for your hair, and how you can incorporate them into your routine. 

It’s All About Balance

Greasy hair can be an embarrassing nuisance – we’ve all been there at one point or another. It’s one of those catch-22 issues, where too much washing and harsh chemicals can just make your scalp greasier and put more stress on your hair. This is where amino acids come in. Products in the new Spécifique Divalent range are infused with Amino acids, a dual-action active that gently cleanses and intensely cares for your scalp and hair. The Amino acid in the Spécifique Divalent range has a unique hair affinity to regulate the sebum cycle and rebalance hydration in the hair.

What is Sebum?

First things first, let’s talk about sebum – the superhero of our scalp. This oily substance, secreted by our sebaceous glands, is more than just a greasy nuisance. It’s a powerhouse of goodness that helps maintain skin health and protects our delicate locks from external elements and dryness. But too much or too little sebum can cause havoc, leading to oily or dry hair and scalp conditions like dandruff.

Amino Acids & The Sebum Cycle 

Let’s discuss the benefits of amino acids for your hair and scalp. These powerful compounds offer a myriad of benefits that can transform your locks like magic. From boosting strength to enhancing overall health and regulating your hair’s natural oils (sebum), amino acids are the secret weapon your hair needs. Unleash their potential and embrace the beauty of healthier, stronger hair.

5 Ways Amino Acids Help Your Hair:

1. Fortify and Protect:

Amino acids are like little superheroes that fill in the damaged gaps in your hair cuticle, providing a protective shield against external aggressors. Say goodbye to weak, vulnerable strands, and hello to resilient, gorgeous hair!

2. Boost Keratin Power:

Keratin, the superhero protein that makes up the majority of our hair, relies heavily on amino acids for its strength and structure. With the right blend of amino acids, you can give your hair that much-needed keratin boost, ensuring it remains healthy and resilient.

3. Hydrate:

Dry, thirsty hair? No problem! Certain amino acids work their magic by drawing in moisture and creating a barrier that locks it in. Say hello to hydrated, bouncy hair that’s ready to slay!

4. Add Volume:

Need some va-va-voom? Look out for shampoos enriched with amino acids that can add body and volume to your locks, leaving you with hair full of life and oomph.

5. Add Strength & Shine:

Cysteine and methionine, two amino acid powerhouses, strengthen your strands and enhance their ability to hold moisture. They help to create strong, shiny hair.

The Kerastase Spécifique Divalent Range

We’re thrilled to introduce you to our latest haircare obsession – the Spécifique Divalent range. Packed with the magical powers of amino acids, this range is specifically designed to regulate the sebum cycle, rebalance hydration, and nourish your hair to perfection.

With its gentle cleansing action, the Spécifique Divalent range attracts dirt like a magnet (thanks to those incredible micelles) and leaves your scalp and hair feeling refreshed and revitalized. The unique hair affinity of amino acids ensures a super gentle cleanse, maintaining the perfect pH balance for healthy, happy hair.

Amino Acid also acts both as a conditioning and reinforcing active ingredient to limit free radical stress and to help weakened hair absorb and retain much-needed moisture. These fantastic products also work wonders for fine hair, giving it the love and care it deserves.


Charlie Brown Stylists’ Favourite Amino-Acid Infused Products
  • Bain Divalent shampoo purifies the scalp to reduce excess oil and odours.
  • Argile Équilibrante, a weekly detox clay that deeply, yet gently cleanses and purifies the scalp.
  • Mask Réhydratant intensely rehydrates the hair without triggering sebum production or weighting down your roots.


Pop down to your local Charlie Brown Salon in Banstead or Reigate to grab anything from the Spécifique Divalent range and ask your stylist about incorporating Kerastase into your next cut and style!

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