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PCA Skin’s hyaluronic acid product line

Want plumper, smoother, healthier-looking skin? Talk to any Dermatologist or skin care expert and chances are they'll tell you to add Hyaluronic Acid (HA) to your arsenal. This highly lauded ingredient is revered for its ability to intensely hydrate skin. However, you may wonder how it actually works and how to incorporate it into your routine for the best results. From there, questions like "Do I need a Hyaluronic Acid serum?" and "Is Hyaluronic Acid necessary?" can be quick to follow.

You've come to the right place to learn all the basics.


Should You Add Hyaluronic Acid to Your Skin Care Routine?

Hyaluronic Acid is a naturally occurring substance found in your body, particularly in the skin, connective tissues, and eyes. It plays a crucial role in maintaining skin's moisture levels by binding water molecules, which helps keep the skin hydrated. However, as you age, your body's HA production diminishes, leading to increased dryness, fine lines, and loss of elasticity. So, is Hyaluronic Acid necessary in your skin care lineup?

How much you'll benefit from Hyaluronic Acid ultimately depends on your skin type and goals. If you struggle with dry, dull skin that lacks plumpness and a youthful glow, it's worth adding to your routine.


middle aged woman admiring skin in the mirror


What Are the Benefits of Hyaluronic Acid?

Famed for its ability to hold up to 1,000 times its weight in water, Hyaluronic Acid is considered one of the best hydrating ingredients. It draws moisture from the environment into the skin, which aids in plumping and restoring your complexion. Here are a few of the benefits that follow.


Boosts Skin Barrier Function

By reinforcing the skin's natural barrier, Hyaluronic Acid helps prevent transepidermal water loss. This helps keep the skin adequately hydrated and strengthens its defenses against environmental aggressors like pollution and harsh weather.


Smooths Fine Lines and Wrinkles

Due to its powerful hydrating properties, Hyaluronic Acid can reduce the appearance of fine lines and wrinkles, creating a more youthful-looking complexion. Using Hyaluronic Acid-infused products can also promote firmer, plumper skin over time.


Soothes and Calms Skin

The article in the Molecules journal explains that Hyaluronic Acid also possesses anti-inflammatory and tissue regenerative properties. This is good news for sensitive or irritated skin as well as skin concerns like rosacea and acne.


What Are the Advantages of Hyaluronic Acid vs. Similar Ingredients?

Hyaluronic Acid offers a few unique advantages that set it apart.


Superior Surface Hydration

Compared to other humectants, like Glycerin or Propylene Glycol, Hyaluronic Acid has a higher water-holding capacity, allowing it to attract and retain moisture on your skin's surface more effectively. This quality can provide quick relief if you have dehydrated or dry skin.


Nongreasy Texture

Unlike heavy oils or occlusive ingredients, Hyaluronic Acid has a weightless texture that absorbs quickly into the skin without leaving a greasy residue. This makes it suitable for all skin types, including oily and acne-prone skin.



Hyaluronic Acid plays well with a wide range of skin care ingredients, including antioxidants, peptides, and exfoliants. In fact, it can even enhance other actives' efficacy while providing a hydrating, nourishing base.



You can find Hyaluronic Acid in various skin care formulations, including serums, moisturizers, eye creams, lip boosters, overnight masks, and even makeup products. This makes it easy to add to your routine, as you can find a formula that suits your skin type, preferences, and concerns.


So, Do I Need a Hyaluronic Acid Serum?

If your goal is to get visibly plumper, smoother, more vibrant-looking skin, consider incorporating a Hyaluronic Acid serum into your daily regimen. Serums are formulated to deliver concentrated doses of active ingredients to your skin. They're also lightweight and absorb quickly, making them generally compatible with all skin types and beauty routines. Here are a couple of considerations when choosing a Hyaluronic Acid serum.



Opt for a Hyaluronic Acid serum between 0.5 percent and 2 percent. Higher concentrations can cause dryness and irritation, especially if you have sensitive skin.


Molecular Weight

Another factor to consider is the size of the Hyaluronic Acid molecules in the serum. Hyaluronic Acid comes in various sizes. Smaller molecules can penetrate deeper into the skin, while larger ones work their magic on the skin's surface. Look for a serum containing a mix of different molecular weights to ensure optimal hydration on multiple skin layers. This way, you get both immediate and long-lasting benefits.

PCA SKIN Hyaluronic Acid Boosting Serum covers all the bases—and then some. This award winning and science-backed formula contains larger molecules to smooth and hydrate your skin's surface plus hydrolyzed Hyaluronic Acid for deeper hydration, minimizing the appearance of fine lines. Meanwhile, PCA SKIN's HA-Pro Complex™ encourages your body to make more of its own Hyaluronic Acid.


Helping Your Skin Thrive

Hyaluronic Acid is an MVP ingredient that hydrates, soothes, and plumps skin, making it ideal for various skin types and concerns. HA serums are uniquely beneficial because they absorb quickly and penetrate multiple layers of skin, delivering more of the benefits you love.

All this to say: if you've been searching for a product that will leave your skin noticeably more radiant and healthy-looking, a Hyaluronic Acid-enriched serum is the next stop on your skin transformation journey.


Kaleigh Fasanella
Kaleigh Fasanella is a New Jersey-based beauty and wellness reporter with over a decade of experience writing for both digital outlets and brands. She previously worked at magazines like Allure and Teen Vogue before going freelance to write for a variety of publications. While she loves all aspects of beauty, she's especially passionate about skin care and helping others learn about and care for their skin.