Hyaluronic Acid (Term)
Hyaluronic Acid (Term) — a naturally occurring molecule in the skin belonging to the glycosaminoglycan family, known for its remarkable ability to hold water. It helps keep the skin hydrated, plump, and cushioned, and is a widely used humectant in skincare formulations.
Key points
- Hyaluronic acid can bind a large amount of water relative to its weight, supporting skin hydration.
- It occurs naturally in the dermis and extracellular matrix, where it helps maintain moisture and volume.
- In skincare it acts as a humectant, drawing water into the upper layers of the skin.
- It is available in different molecular weights, which can affect how it behaves on and within the skin.
Frequently asked
Is hyaluronic acid an exfoliating acid like glycolic acid?
No; despite the name, hyaluronic acid is a hydrating humectant rather than an exfoliating acid, and it does not chemically exfoliate the skin.
How does hyaluronic acid hydrate the skin?
It works as a humectant, attracting and binding water into the upper layers of the skin to help it feel more plump and hydrated.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.
