Hyaluronic Acid Explained: Why Your Skin Needs This Hydrating Ingredient


Few skincare ingredients have a fan base quite like hyaluronic acid. It commonly appears in serums, moisturizers, and masks because it helps skin attract and retain water, leaving it feeling softer, smoother, and more comfortable.

So what is hyaluronic acid, and how can you use it in a simple skincare routine?

What is hyaluronic acid?

Hyaluronic acid is a substance that naturally occurs in the body, including the skin. In skincare, it is used as a humectant, which means it helps attract water to the skin’s surface.

Our skin’s natural hyaluronic acid levels can change over time, and dryness can make fine lines and uneven texture look more noticeable. Adding a hydrating serum can help support a plumper, smoother-looking complexion.

What does hyaluronic acid do for skin?

  • Helps attract moisture: Hyaluronic acid helps draw water toward the skin’s surface.
  • Leaves skin feeling hydrated: It can help skin feel softer, more supple, and less tight.
  • Temporarily plumps the look of fine lines: Well-hydrated skin often looks smoother and more refreshed.
  • Works across skin types: Lightweight hydrating formulas can be useful for dry, combination, oily, and sensitive skin.

How to apply hyaluronic acid serum

For the most comfortable application, use hyaluronic acid as part of a simple cleanse, hydrate, and moisturize routine.

  1. Cleanse your face.
  2. Apply the serum to slightly damp skin.
  3. Press it gently into your face and neck.
  4. Follow with moisturizer to help seal in hydration.
  5. Apply sunscreen during the day.

Our Age Defense Hyaluronic Acid Serum is an easy way to add a dedicated hydration step to your routine.

Why should you apply moisturizer afterward?

Hyaluronic acid works best as one step in a complete routine. After applying a hydrating serum, use a moisturizer to help support the skin barrier and reduce moisture loss from the skin’s surface.

For a soft, moisturized finish, we recommend following your serum with our Cloud Cream Silk Peptide Facial Moisturizer.

Can oily skin use hyaluronic acid?

Yes. Oily skin can still feel dehydrated, especially after cleansing or using products that leave the skin feeling tight. A lightweight hydrating serum can add moisture without making a routine feel heavy.

How often should you use it?

Hyaluronic acid can generally be used once or twice daily, depending on your routine and how your skin feels. Start with once a day, then adjust as needed. Most users prefer morning application, in order to take advantage of it's immediate plumping and hydrating effect.

The bottom line

Hyaluronic acid is a simple, versatile ingredient for adding hydration to your skincare routine. Apply it to slightly damp skin, follow with moisturizer, and use it consistently for skin that feels more comfortable and looks more refreshed.

Shop Age Defense Hyaluronic Acid →