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What does hyaluronic acid do?

by Aaron|July 26, 2023
What does hyaluronic acid do?

Whether it’s emblazoned on lotion labels or touted in cleanser commercials, you’ve likely noticed the popularity of hyaluronic acid. In skin care, hyaluronic acid is a go-to ingredient in a variety of products, but why is it so ubiquitous? With the help of board-certified dermatologist and LovelySkin CEO Dr. Joel Schlessinger, we’ll help you understand the function of hyaluronic acid and the benefits it can bring to your skin. Follow along as we answer questions such as:

What is hyaluronic acid?

Hyaluronic acid is a substance your body makes naturally. The greatest concentrations of hyaluronic acid are found in your joints—where it helps provide cushioning between bones—as well as your eyes and skin. “Hyaluronic acid is a fantastic moisturizer due to the way it attracts water. This happens inside your cells and wherever it is applied, which makes it a refreshing and rejuvenating product. Inside your skin cells, hyaluronic acid does some very important jobs,” Dr. Schlessinger says. “It helps balance oil production and maintain hydration, which helps keep your skin looking smooth and plump.”

What does hyaluronic acid do for skin?

Hyaluronic acid works hard inside your body, but when it is applied to your skin topically, it acts as a humectant to bind moisture (water molecules) in dehydrated skin. “Our bodies actually produce less hyaluronic acid as we age,” Dr. Schlessinger says. “Lower hyaluronic acid levels cause your skin to lose its natural moisture and elasticity, which can make fine lines and wrinkles look more prominent.” Hyaluronic acid production actually starts to decline as early as age twenty and is halved by age fifty.

Because of its superior hydrating properties, hyaluronic acid is a popular ingredient in skin care products ranging from body lotions to facial moisturizers to lip balms. Most hyaluronic acid used in skin care products is made in a lab using a process called biofermentation.

When you apply hyaluronic acid to moist skin, it helps hydrate your skin by binding water inside your cells. “Up on the surface, this can result in skin that temporarily looks firmer, smoother and more youthful. Fine lines also look less noticeable,” Dr. Schlessinger says.

When should you apply hyaluronic acid?

“Hyaluronic acid is the most effective when your skin is moist and it has the chance to completely absorb into your skin,” Dr. Schlessinger says. For this reason, skin care products that you apply after cleansing—such as serums, moisturizers, eye creams or ampoules—are a great choice.

What skin care products have hyaluronic acid in them?

A wide variety of skin care products feature hyaluronic acid to help boost your skin’s hydration and improve the appearance of fine lines and wrinkles. Here are nine of our go-to products featuring hyaluronic acid, from nourishing facial serums to eye creams and plumping lip gloss.

LovelySkin LUXE HA Peptide Serum

LovelySkin LUXE HA Peptide Serum

From Dr. Schlessinger’s own LovelySkin LUXE line, this anti-aging serum combines the hydrating properties of hyaluronic acid with growth factor-derived peptides to help repair cellular damage caused by environmental stress and aging. Together with Persian silk tree extract and apple stem cells, these ingredients work together to help support collagen production and more radiant-looking skin.

SkinMedica HA5 Rejuvenating Hydrator

SkinMedica HA5 Rejuvenating Hydrator

For an instant smoothing boost and anti-aging results over time, this twice-daily serum for the face, neck and chest really delivers. It is clinically proven to improve skin texture, fine lines and wrinkles with eight weeks of use, and it also provides an instant smoothing effect that’s visible only fifteen minutes after you apply it. These benefits are a result of SkinMedica’s finely tuned formula featuring a proprietary blend of five types of hyaluronic acid that not only increase your skin’s hydration temporarily, but also support your skin’s ability to make its own hyaluronic acid.

jane iredale HydroPure Hyaluronic Lip Treatment

jane iredale HydroPure Hyaluronic Acid Lip Treatment

If lip lines and lack of fullness are a concern for you, this plumping lip gloss deserves a place in your makeup routine. Along with hyaluronic acid to provide long-lasting hydration, this formula also contains algae extract to help stimulate collagen production as well as jojoba and moringa seed oils to seal in moisture. Ginger root extract also provides a pleasant tingly sensation, helping to increase circulation and provide an instant plumping effect.

FILORGA HYDRA-HYAL Intensive Hydrating & Plumping Face Serum

Filorga Hydra-Hyal Intensive Hydrating & Plumping Face Serum

From French skin care brand FILORGA, this hydrating serum has an immediate plumping effect and continues to provide your skin with 24-hour hydration. It combines several different types of hyaluronic acid with varying molecular weights to penetrate your skin’s dermal and epidermal layers. It also contains sophora japonica extract and vitamin E, which both act as antioxidants to help lessen the visible effects of aging.

ISDIN Isdinceutics Hyaluronic Booster Moisturizing Serum Ampoules

ISDIN Isdinceutics Hyaluronic Booster Moisturizing Serum Ampoules

Ready to revive and revitalize dull, dehydrated skin? That’s what these single-use serum-filled ampoules from Spanish skin care brand ISDIN are designed to do. Two types of hyaluronic acid work together to improve dullness, visibly plump skin and maintain moisture for up to 72 hours. This formula also contains a proprietary peptide called SoothCalm to help reduce irritation associated with dehydration.

SkinCeuticals Hyaluronic Acid Intensifier Hydrating Serum

SkinCeuticals Hyaluronic Acid Intensifier Hydrating Serum

A pioneer in innovative skin care, SkinCeuticals created this serum-gel formula to restore elasticity, reduce the appearance of fine lines and wrinkles and improve the texture of skin. It combines hyaluronic acid with Proxylane and licorice root extract, two ingredients that help support your skin’s hyaluronic acid levels. In a twelve-week clinical study, users reported a 23% improvement in the plumpness of their skin and an 18% improvement in skin texture.

Revision Skincare Revox Line Relaxer

Revision Skincare Revox Line Relaxer

If wrinkle-relaxing injections such as BOTOX, Jeuveau or Dysport at your dermatologist’s office are part of your skin care regimen to target crow’s feet and expression lines, then you can use this spot treatment from Revision Skincare to support your results at home. This powerful serum features hyaluronic acid and patent-pending LineRelax technology to help improve the appearance of several different types of wrinkles, including forehead and glabellar lines, under-eye lines and nasolabial folds. Paired with in-office injections, users in a twelve-week study showed 100% improvement in the appearance of under-eye fine lines and crow’s feet.

Colorescience Sunforgettable Total Protection Brush-On Shield SPF 50

Hyaluronic acid isn’t just for serums and lip gloss. This brush-on sunscreen contains a powdered form of hyaluronic acid to help hydrate skin while it protects with broad-spectrum UVA and UVA protection from titanium dioxide and zinc oxide, two all-mineral blockers. It comes in a number of shades from fair to deep and works just as well applied to skin solo as it does over makeup. With a convenient self-dispensing tube and built-in brush, this powder sunscreen is perfect to tuck in your pocket or beach bag for easy reapplication throughout the day.

Replenix Tinted Brightening Eye Cream

Replenix Tinted Brightening Eye Cream

In this rich eye cream, the hydrating powers of hyaluronic acid combine with two other potent anti-aging ingredients, niacinamide and retinol, for incredible results. While hyaluronic acid goes to work bringing long-lasting moisture to dehydrated skin, niacinamide and retinol help reduce the appearance of dark spots and discoloration and improve dull, rough skin texture over time.

Is adult acne at the top of your list when it comes to skin care concerns? You can learn more about what causes adult acne and how to achieve clear skin on the LovelySkin Blog.

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About the Author

Aaron serves as Editor at LovelySkin. Since graduating from the University of Nebraska at Omaha in 2016 with degrees in Creative Writing and English, he has immersed himself in the beauty industry. When he’s not writing about the latest beauty trends, he spends time cuddling his dogs, scouring antique stores, playing tennis and hiking.

Other Posts by Aaron

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