Benefits of using Hyaluronic Acid on Dry Skin

Dry skin craves moisture — and Hyaluronic Acid is one of the most effective ingredients to deliver it. Here's how HA works to help restore hydration, comfort, and a healthier-looking complexion.
In this article
  1. Why Skin Gets Dry
  2. How Hyaluronic Acid Can Help
  3. Multi-Weight HA Explained
  4. Our HA + PDRN+ Formula
  5. Proven Results

Dry skin isn't just uncomfortable — it can accelerate visible signs of ageing. When the skin's moisture levels drop, fine lines can appear more pronounced, skin texture can become rough, and radiance can fade. Hyaluronic Acid (HA) is widely recognised as one of the most hydrating ingredients in skincare, capable of visibly transforming dry, depleted skin. The L'Oréal Paris Revitalift Filler Hyaluronic PDRN+ Anti-Wrinkle Plumping Serum is formulated to help with more than just hydrating the skin.

Why Does Skin Get Dry?

The skin's ability to stay hydrated relies on its moisture barrier and the presence of key molecules in the extracellular matrix — chief among them, Hyaluronic Acid. HA is naturally produced by the body and is responsible for binding and retaining water within the skin. However, HA levels decline significantly with age: research shows epidermal HA can drop by half between the ages of 19 and 60, leading to chronic dehydration.

External factors compound the problem. UV exposure, pollution, harsh weather, and over-cleansing strip moisture from the skin and weaken its protective barrier. When this barrier is compromised, transepidermal water loss (TEWL) increases — meaning moisture escapes faster than the skin can replenish it. The result is tightness, flaking, and a dull, uneven texture.

How Hyaluronic Acid Can Help Dry Skin

Hyaluronic Acid is a glycosaminoglycan — a naturally occurring molecule that acts as the skin's primary humectant. It can hold up to 1,000 times its weight in water, making it exceptionally effective at drawing moisture into the skin and locking it there. Clinical studies have shown that topical HA formulations can help significantly improve skin hydration, reduce the feeling of roughness, and enhance overall skin smoothness — with measurable results in as little as two weeks.

What makes HA particularly effective for dry skin is that it works on multiple fronts. It attracts moisture from the environment and skin layers to the surface, plumps dehydrated cells, and reinforces the skin's moisture barrier to help slow future water loss. Unlike heavier occlusive ingredients, HA is known to deliver hydration with a lightweight feel — making it suitable even for those who find rich creams uncomfortable.

Why Multi-Weight HA Matters

Not all Hyaluronic Acid is the same. The molecule's effectiveness depends largely on its size — and a single molecular weight cannot address all layers of the skin. That's why L'Oréal Paris developed a multi-weight HA complex for the Revitalift Filler Anti-Wrinkle Plumping Serum, designed to help deliver hydration at every level of the skin’s surface:


HA type Size & action
Macro HA Sits on the surface — Helps hydrate and smooth the feeling of skin immediately
Micro HA Smaller molecules — Helps replump the skin’s surface and smooth the look of fine lines
Micro-Epidermic HA 50x smaller than Macro HA — penetrates deeper into the skin’s surface, replumping the look of lines and wrinkles

How Our HA + PDRN+ Formula Can Help Dry Skin

Hydration alone is powerful, but the L'Oréal Paris Revitalift Filler Hyaluronic PDRN+ Anti-Wrinkle Plumping Serum takes it a step further. While HA is known to replenish moisture, PDRN is renowned for its ability to help improve overall skin quality and radiance.

Produced through bio-fermentation, L'Oréal Paris’ PDRN+ is pure, vegan*, and 3,000x smaller than a pore for optimal absorption into the skin’s surface. Inspired by K-Beauty skin booster procedures, it is exclusive to L'Oréal Group. The serum's fluid, lightweight texture delivers an addictive sensory experience — fast-absorbing, non-sticky, and non-greasy.

*Ingredient not of animal origin

"PDRN marks the transition from protection to bio-stimulation. Acting as a true 'skin Red Bull,' it restores glow and elasticity. Paired with HA, it forms the ultimate 'Power Couple': HA provides immediate comfort at the surface, PDRN ensures long-lasting transformation." — Dr. Marie-Céline Frantz*, Small Molecule Bioactives & Nucleic Acids Expert, L'Oréal R&I #GlowBoost

"Korea is the epicentre of beauty including aesthetics procedures and there I witnessed the steep rise of skin boosters (yes I did it too). So, when I started working on the Filler-procedure inspired Filler franchise pioneering Hyaluronic Acid, it was only natural that I explored the skin booster key active PDRN. Now our No.1 Anti-ageing serum is powered by Hyaluronic Acid and biotechnological PDRN (not salmon!) to help enhance your skin quality, glow and elasticity!" — Chang Yeunhee, Global Skincare Marketing Director, L'Oréal Paris

Proven Hydration Results

The #1 Anti-Ageing Serum in the World has been clinically tested to deliver a skin transformation you can see and feel, helping to improve hydration, plumpness, and the appearance of overall skin quality:


What you can expect
Boosts look of Glow +17%1
Improves feeling of Elasticity +17%1
Reduces look of Fine Lines -60%2
Reduces look of Wrinkles -47%2


Average results – 1Clinical study with 58 women after 8 weeks, twice daily use. 2Clinical study with 53 women after 6 weeks, twice daily use. Expert visual grading. Individual results will vary.

Tested for all skin types and tones, including sensitive skin.

*Important Note: Claims from Dr. Frantz are based exclusively on published scientific literature:

  • Squadrito et al., "Pharmacological Activity and Clinical Use of PDRN," Frontiers in Pharmacology, 2017
  • Kim et al., "Polynucleotide and Hyaluronic Acid Mixture for Skin Wound Healing," Tissue Eng Regen Med, 2025
  • Akaberi et al., "PDRN in Skincare and Cosmetics: Mechanisms and Applications," J Skin Stem Cell, 2025

Sources:

  • Bravo et al., "Benefits of topical hyaluronic acid for skin quality and signs of skin ageing," Dermatologic Therapy, 2022
  • Papakonstantinou et al., "Hyaluronic acid: A key molecule in skin ageing," Dermatoendocrinol, 2012
  • Bukhari et al., "Hyaluronic acid, a promising skin rejuvenating biomedicine," Int J Biol Macromol, 2018

Everything You Need to Know About Hyaluronic Acid for Dry Skin

Have more questions about using HA on dry skin? Here are the essentials.

Is Hyaluronic Acid enough for very dry skin?
HA is an excellent hydrator, but for very dry skin it works best when paired with a moisturiser on top to help seal in hydration. The Revitalift Filler Anti-Wrinkle Plumping Serum's lightweight texture is designed to layer easily under any cream such as the Revitalift Filler Glass Skin Liquid Cream.

Can Hyaluronic Acid make dry skin worse?
No — when formulated correctly, HA helps draw moisture into the skin. The multi-weight HA complex in this serum is specifically designed to help hydrate at every level of the skin’s surface without drawing moisture away from the skin.

How often should I use it?
Apply a few drops to clean, damp skin morning and evening before moisturiser. Always follow with SPF in the morning.

Is the formula suitable for sensitive dry skin?
Yes. The serum is tested for all skin types and tones, including sensitive skin. Its fluid, transparent texture is non-sticky, non-greasy, and fast-absorbing.