Hyaluronic Acid
A molecule that holds 1,000x its weight in water — the most-used hydrator in modern skincare.
Hyaluronic acid is a naturally occurring molecule in human skin that holds up to 1,000 times its weight in water. In cosmetic form, it's the single most-used hydrator in premium face serums and moisturizers — pulling water into the skin and locking it there for hours.
- ›Holds up to 1,000x its weight in water.
- ›Naturally present in human skin — production drops with age.
- ›Multi-molecular-weight versions penetrate deeper.
- ›Works best applied to damp skin.
- ›Included in Grizzly Face Moisturizer.
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History & Origin
Hyaluronic acid was first isolated from bovine eye tissue in 1934 and is a natural component of human skin, where it holds water in the dermis. Cosmetic use expanded rapidly once biofermentation replaced animal sourcing in the 1990s, making high-purity, vegan-suitable HA affordable. It is a humectant, not a moisturizer in the occlusive sense — a distinction that determines how you should use it.
Uses & Benefits
- ›Binds water at the skin surface for immediate plumping and comfort
- ›Reduces the tight feeling after cleansing or shaving
- ›Available in different molecular weights that sit at different depths
- ›Works best applied to damp skin and sealed with a lotion or oil
- ›Layers safely with every other common active
Safety & Sourcing
Hyaluronic acid is extremely well tolerated. The one practical caution: in very dry air, HA applied to dry skin without a sealing layer can pull water out of the skin and leave it feeling tighter. Always apply to damp skin and follow with a moisturizer or oil.
FAQ
Is hyaluronic acid a moisturizer?+
It is a humectant — it holds water. It needs a cream or oil on top to stop that water evaporating.
Why does my skin feel tighter after using HA?+
You likely applied it to dry skin in dry air with nothing sealing it. Damp skin, then lotion or beard oil on top.
Does molecular weight matter?+
Somewhat. Lower weights penetrate further, higher weights sit on the surface. Most good formulas blend several.
Found in Our Products
Related Comparisons
Sources
- Papakonstantinou, E., Roth, M., & Karakiulakis, G. (2012). Hyaluronic acid: a key molecule in skin aging. Dermato-Endocrinology.
- Juncan, A. M. et al. (2021). Advantages of hyaluronic acid in dermato-cosmetology. Molecules.
