What Does Hyaluronic Acid Do for Your Skin? The Science, Simplified

HA is a sugar molecule your body naturally produces. It pulls and holds water in the upper layers of your skin — up to 1,000 times its own weight. The result: plumper-looking skin, softened fine lines, a stronger moisture barrier, and faster healing.

• Binds water in the stratum corneum and dermis, instantly plumping skin
• Reinforces the moisture barrier, reducing trans-epidermal water loss
• Cushions cells, which softens the appearance of fine lines
• Supports wound healing by signaling fibroblasts and regulating inflammation
• Carries other actives deeper when formulated as low-molecular-weight HA

HA production drops roughly 1% per year after age 25. By 50, your skin has less than half the HA it had at 20 — one of the biggest drivers of visible aging. Topical HA can't replace what's been lost in the dermis, but it can dramatically improve hydration, plumpness, and barrier function in the layers you can see.

Most drugstore serums use one HA molecule size — usually high-molecular-weight, which sits on the surface. dermHA uses multi-molecular-weight HA so different sizes work at different depths simultaneously: surface plumping, mid-layer hydration, and deeper barrier support. Read more about our formulation.

Hydration and plumpness: within minutes. Visible smoothing of fine lines: 2–4 weeks. Stronger, less reactive barrier: 4–8 weeks of daily use. Pair with the correct application technique or you'll lose most of the benefit.