What is hyaluronic acid?

Hyaluronic acid is a naturally occurring substance in our body and also an active used in skincare and hair care to retain moisture. It is a humectant, which means it has a large capacity for retaining moisture and therefore boosting hydration.

Is hyaluronic acid good for hair?

Yes, hyaluronic acid is good for hair, dry hair in particular.

What are the benefits of hyaluronic acid?

The benefits of hyaluronic acid for hair include: reducing hair porosity, increasing hair hydration, taming frizz and moisturizing the scalp.

What hair type is hyaluronic acid good for?

Hyaluronic acid is good for dry, damaged hair in particular, reducing its porosity and improving its hydration.

Hyaluronic acid for your hair: your new hair ally.

Keep hearing about hyaluronic acid for hair but not sure what it can do for your hair or skin? Dive into our expert explainer about this powerful substance – both as something in our bodies and as an active ingredient in the products we use. Learn what hyaluronic acid is on the molecular level and how it can have long-reaching benefits that boost the health and appearance of your hair.

4 min read

L'Oréal Professionnel Team

Your questions & our answers on Hyaluronic acid.

What is hyaluronic acid?

Hyaluronic acid is a naturally occurring substance in our body and also an active used in skincare and hair care to retain moisture. It is a humectant, which means it has a large capacity for retaining moisture and therefore boosting hydration.
Is hyaluronic acid good for hair?

Yes, hyaluronic acid is good for hair, dry hair in particular.
What are the benefits of hyaluronic acid?

The benefits of hyaluronic acid for hair include: reducing hair porosity, increasing hair hydration, taming frizz and moisturizing the scalp.
What hair type is hyaluronic acid good for?

Hyaluronic acid is good for dry, damaged hair in particular, reducing its porosity and improving its hydration.

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