Meet polyglutamic acid, the power ingredient that changes how your skin hydrates itself.

times as hydrating as hyaluronic acidperfect fordry skin.

Here, skin experts share all about polyglutamic acid, its benefits, and polyglutamic acid product recommendations.

Close up of a person adding polyglutamic acid serum to their face.

Photo:Delmaine Donson/Getty Images

What Is Polyglutamic Acid?

Bondi says that depending on the source, polyglutamic acid holds 4,000-5,000 times its weight in water.

Hyaluronic acid is usually cited as 1,000 times its weight in water.

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(Thats one of the reasons we dont hear a ton of buzz about the ingredient.)

Serums and moisturizers containing polyglutamic acid are generally pricier than those with hyaluronic acid.

What Skin key in Benefits From Polyglutamic Acid?

Typology Plumping Polyglutamic Acid Face Serum

But if yourestruggling with dry skin, this ingredient is even more essential within your routine.

Additionally, polyglutamic acid works well with oily skin since it’s lightweight.

That means it won’t feel greasy, a common issue for acne-prone skin.

The INKEY List Polyglutamic Acid Hydrating Serum

People with aging or mature skin can also benefit from polyglutamic acid’s moisturizing effects.

The extra hydration can help even out skin tone and smooth wrinkles.

Does Polyglutamic Acid Pair Well with Other Ingredients?

Charlotte Tilbury Magic Serum Crystal Elixir

Theres no need to worry about separating exfoliants orretinol productswhen using polyglutamic acid.

With similar functions, each ingredient will complement the other without negatively affecting your skin.

How Should You Apply Polyglutamic Acid?

Futurewise Slug Boost Hydrating Mist

Polyglutamic acid is safe to use daily and even twice a day if you like.

Using polyglutamic acid in yourmorning skincare routine(or evening) is simple and much like otherskincare products.

Generally, you’ll want to work in order from the thinnest product to the thickest.

And wait a few minutes between products so your skin can properly absorb the ingredients.

Best Serums with Polyglutamic Acid

Want to get in on the hydration action?

Shop our expert-approved picks for the best products containing polyglutamic acid.

All three ingredients provide lasting hydration for improved skin elasticity.

Its lightweight formula is great for most skin types and works to decreasepremature skin agingsigns.

With a combo like that, you could expect animprovement in skin textureand hyperpigmentation.

It works great as a first step in your skincare routine, too.