Sometimes the simplest skincare products are the easiest to underestimate. Hyaluronic acid masks don’t exfoliate, resurface, or dramatically accelerate cell turnover. Instead, they do something much more basic—and extremely important for healthy skin: they hydrate.

We especially like biocellulose masks when skin feels dry, tight, stressed, or simply needs an extra dose of moisture. Two of our favorites are the NeoStrata Pure Hyaluronic Acid Biocellulose Mask and Revision Skincare Hydrating Biocellulose Mask.

But there are two tricks we want everyone to know before opening the package. First, that mesh or netting isn’t part of the mask. It needs to come off. Second, don’t be so quick to throw your mask away when you’re finished with your face. Move it down to your neck and let the remaining hydration go to work there before you discard it.

Why Hyaluronic Acid Is So Good at Hydrating Skin

Despite its name, hyaluronic acid isn’t an exfoliating acid like glycolic or salicylic acid. It’s a humectant—a molecule that attracts and holds water.

Hyaluronic acid also occurs naturally in our skin, where it helps maintain hydration and contributes to the plump, supple appearance we associate with healthy skin. Unfortunately, the skin’s ability to maintain hydration can be disrupted by everything from cold weather and low humidity to over-cleansing, retinoids, exfoliating acids, and cosmetic procedures.

Adding hyaluronic acid topically helps increase hydration at the skin’s surface. When those upper layers are well hydrated, fine dehydration lines can become less noticeable and skin often looks smoother, softer, and more luminous.

That makes hyaluronic acid particularly useful when you don’t necessarily need another “active.” Sometimes your skin simply needs water and an opportunity to recover.

Why Put It in a Biocellulose Mask?

A serum can deliver hyaluronic acid perfectly well, so why use a mask?

The difference is partly in the delivery system. Biocellulose is made from an extremely fine network of fibers that can hold a large amount of liquid while conforming closely to the contours of your skin. Once applied, it keeps the hydrating solution in continuous contact with the surface of your face.

That close contact also slows evaporation while you’re wearing the mask. Instead of applying a serum and immediately moving on to the next step in your routine, you’re essentially giving your skin a concentrated hydration treatment for 10 or 15 minutes.

Biocellulose also feels cool against the skin, which is one reason these masks can be so refreshing when your skin feels hot, tight, or irritated.

Our Favorite: NeoStrata Pure Hyaluronic Acid Biocellulose Mask

The NeoStrata Pure Hyaluronic Acid Biocellulose Mask is derived from coconut water and contains 0.15% hyaluronic acid. Its formula also includes humectants along with allantoin and marshmallow root extract to help hydrate and soothe the skin.

We like this one when skin is dehydrated, dry, or simply looking a little dull and tired. It is an easy addition to a normal skincare routine because it gives you a significant moisture boost without requiring another exfoliating or potentially irritating active ingredient.

Don’t Forget to Remove the Netting!

This sounds obvious once someone shows you, but we’ve seen enough confusion that it’s worth explaining.

The NeoStrata mask is packaged between mesh liners. The mesh makes the very soft, slippery biocellulose material easier to unfold and position, but the mesh itself is not the treatment mask.

  1. Open the package and carefully unfold the mask.
  2. Remove the mesh liner from one side.
  3. Place the exposed biocellulose side against your clean face.
  4. Once it’s positioned, peel away the remaining outer mesh liner.
  5. Smooth the actual biocellulose mask against your skin and leave it in place for 10 to 15 minutes.

What should remain on your face is the thin, soft, almost gel-like biocellulose layer—not the more rigid netting that helped hold it together in the package.

Another Favorite: Revision Skincare Hydrating Biocellulose Mask

Revision Skincare Hydrating Biocellulose Mask takes a similarly simple approach to hydration. Its biocellulose material conforms closely to the face while delivering a cooling burst of moisture.

Revision designed this mask specifically with distressed and post-procedure skin in mind, including skin following treatments such as chemical peels, microneedling, and certain laser procedures. It can also be used anytime your skin feels like it needs additional cooling, calming, or hydration.

As with any post-procedure product, however, follow the instructions your dermatologist or treatment provider gives you. Different procedures disrupt the skin barrier to different degrees, and what is appropriate after one treatment isn’t necessarily appropriate after another.

The Revision mask also has two protective liners that need to be removed. Once they’re off, apply the biocellulose mask to clean, dry skin, adjust it to the contours of your face, and leave it on for 5 to 15 minutes.

Before You Throw It Away, Give Your Neck a Turn

Here’s our favorite practical tip.

When you remove a biocellulose mask from your face, it is usually still quite moist. Rather than immediately tossing it in the garbage, unfold it and place it across your neck and upper décolletage for a few additional minutes.

We spend a tremendous amount of time treating our faces while the neck is often an afterthought—even though the neck is particularly susceptible to dryness, sun damage, fine lines, and other visible signs of aging.

This isn’t about saving the mask for later or using it for a second treatment. These are single-use products and should be discarded after you’re finished. You’re simply extending the same application from your face to your neck while the mask is still fresh and hydrated.

You can also gently massage any remaining serum on your face and neck into the skin rather than washing it away.

When Should You Use a Hyaluronic Acid Mask?

There isn’t one “correct” time. We particularly like them:

  • When skin feels unusually dry or tight
  • During dry winter weather or periods of low humidity
  • When traveling, especially after spending hours in dry airplane air
  • When your normal skincare routine has left your barrier feeling stressed
  • As a hydration-focused recovery step between nights using stronger skincare actives
  • Before an event when you want skin to look hydrated and refreshed
  • After an appropriate cosmetic procedure when recommended by your provider

And because these masks focus primarily on hydration rather than aggressive exfoliation or resurfacing, they’re a nice reminder that an effective skincare routine doesn’t always need to be doing more.

Sometimes your skin is already working hard enough.

Hydration Is Part of Treatment, Too

We talk frequently about retinoids, antioxidants, exfoliating acids, peptides, and other ingredients that actively change how skin behaves. But healthy skin also depends on maintaining a strong, well-hydrated barrier.

If your skin constantly feels tight, flaky, irritated, or uncomfortable, adding another powerful active may not be the answer. Giving the barrier additional hydration and time to recover may actually help you get more out of the rest of your skincare routine.

Both NeoStrata Pure Hyaluronic Acid Biocellulose Mask and Revision Skincare Hydrating Biocellulose Mask are available at Advanced Skin Therapeutics. Stop in and talk with our skincare experts about which mask—and which overall hydration routine—is best suited to your skin.