Hyaluronic Acid

The Ingredient Library · Ingredient

Hyaluronic Acid

Sodium Hyaluronate, Hyaluronic Acid

The skin's own moisture magnet — instant hydration and a visibly plumper look.

Scroll down to discover ↓
INCI nameSodium Hyaluronate, Hyaluronic Acid
TypeHumectant — hydration & plumping look
Key benefitPlumper, deeply hydrated-looking skin
SuitsAll skin types, including sensitive and oily skin
Hyaluronic Acid

What is this

Hyaluronic Acid

Hyaluronic acid is a water-binding molecule found naturally in skin, where it helps maintain volume and hydration. In skincare it is used — most often as its stable salt, sodium hyaluronate — as a powerful humectant that can hold many times its weight in water, visibly plumping and smoothing the skin's surface.

Hyaluronic acid is one of the skin's own essential molecules — a sugar-based humectant capable of binding remarkable amounts of water. In The Nine Aurora formulas it appears primarily as sodium hyaluronate, a stable, skin-identical salt whose smaller molecular size allows it to hydrate the upper layers of the epidermis as well as the surface. It draws moisture into the skin, visibly plumping the look of fine lines and lending the complexion a fresh, dewy smoothness. Well tolerated by every skin type, it is the quiet backbone of hydration across serums, creams, mists and masks.

In which products

Formulas with hyaluronic acid

Every ingredient in our library serves one measure of success — skin longevity — the years skin keeps its strength, moisture and evenness.

Questions about hyaluronic acid

What does hyaluronic acid do for skin?

It hydrates — powerfully. Hyaluronic acid is a humectant that attracts and holds water, often cited as binding up to a thousand times its weight. On skin, that moisture visibly plumps, smooths fine lines and leaves the surface looking fresh, dewy and supple.

What is the difference between hyaluronic acid and sodium hyaluronate?

Sodium hyaluronate is the salt form of hyaluronic acid — more stable, with a smaller molecular weight that lets it reach the skin's upper layers rather than sitting only on the surface. Both hydrate; many formulas, including The Nine Aurora's, favour the salt for its reliability.

Can you use hyaluronic acid every day?

Yes. It is one of the gentlest actives in skincare and suits daily use, morning and night. It works best applied to slightly damp skin and layered under a cream, which helps seal the attracted moisture in place.

Is hyaluronic acid good for oily or sensitive skin?

Yes — it is water-based, oil-free and famously well tolerated. Oily skin gets weightless hydration without heaviness; sensitive skin gets moisture without common triggers. Reactions are rare, which is why it appears across nearly every category of skincare.

Does hyaluronic acid reduce wrinkles?

Cosmetically, it hydrates the skin so that fine dry lines look visibly plumped and softened while the skin is well moisturised. It works on how skin looks and feels — smoother, fuller, fresher — rather than changing the skin's structure.