Hey Reader!

Winter creates a unique kind of dryness, the kind where your skin can feel both tight and dull, no matter what you put on. And if hyaluronic acid isn’t giving you the juicy, plump feel it used to… there’s a reason.

Hyaluronic acid depends on humidity and constant water. And winter air doesn’t offer much to work with.

That’s why cold-weather routines benefit from humectants and hydrators that stay effective even when the environment is dry. Luckily, several ingredients shine exactly where hyaluronic acid struggles.

Here are the ones worth adding to your winter rotation.
​

Why Some Hydrators Work Better Than Hyaluronic Acid in Winter

When humidity drops, Hyaluronic Acid can’t pull enough moisture from the environment, so it can be effective as a humectant. And without water available to help keep your skin hydrated, it can have a tightening effect from the film formers in your skincare drying. That can actually leave skin feeling tighter.

Alternatives with thicker film-forming properties, richer water-binding structures, or better affinity for the skin can act as water reservoirs better and offer more lasting hydration in cold weather.

The Most Effective HA Alternatives for Low-Humidity Seasons

1. Tremella (Snow Mushroom)

One of the best natural hyaluronic acid substitutes. Its polysaccharides create a flexible, moisture-binding veil that keeps hydration near the skin’s surface; perfect for combating winter TEWL.
​

2. Beta-Glucan

Known to attract even more water than HA while soothing irritation. A perfect choice when skin is dry, sensitive, or wind-chapped.

3. Polyglutamic Acid (PGA)

PGA forms a soft film on the skin that slows water loss. Many people find it delivers longer-lasting hydration than HA, especially in cold air.

4. Panthenol (Vitamin B5)

A moisture stabilizer that helps skin hold onto water. It also strengthens barrier function, which winter skin absolutely loves.

5. Glycerin

The unsung hero of hydration. Glycerin performs in nearly every humidity level, making it one of the most reliable and winter-friendly humectants.
​

6. Aloe Vera

Hydrating, soothing, and ideal for calming cold-weather irritation. A gentle way to bring both water and comfort back to the skin.

How to Use These HA Alternatives in Winter

A simple strategy to maximize hydration in dry weather:

✔ Apply humectants on damp skin
✔ Layer with a nourishing moisturizer
✔ Finish with an occlusive if your environment is especially dry
✔ Combine multiple hydrators (like glycerin + snow mushroom) for longer-lasting comfort

These ingredients support the skin’s hydration needs even when the moisture in the air is low.

Who Should Consider HA Alternatives?

✔ Anyone feeling tight or dehydrated despite using HA
✔ People in cold, dry, or windy climates
✔ Those experiencing dullness, flaking, or rough patches
✔ Sensitive or irritated winter skin types
✔ Anyone wanting deeper hydration without heaviness

If HA hasn’t been pulling its weight this season, these alternatives can change everything.

👉 Explore the best hydrating ingredients for cold-weather skin

Want To Learn Even More About The Science of Skincare?

Check out these related articles on RelatableSci.com that break down the science of skincare a little more.

Do you want to read past newsletters? Head over to the archive of all of our previous newsletter series.

​Relatable Skincare Report Archive​

Stay tuned for my next email. And if you found this interesting, share it with a friend! And if a friend sent this to you and it was helpful, subscribe so that you get it delivered to your inbox next week, and a free routine audit guide to say welcome!

​Subscribe and Get the Free Skincare Routine Audit Guide​

In the meantime, reply and tell me: Which HA alternative would you try first?

Wishing you a great week,

Allie