Emollient

Sodium Sulfated Hyaluronate

INCI: SODIUM SULFATED HYALURONATE

Reviewed by Emma · Last updated 14 Aug 2026

Also known as: Sodium Sulfated Hyaluronate

A sulfated form of hyaluronic acid with emollient properties for skin hydration

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Sensitivity

Usage Frequency

Daily

What Is Sodium Sulfated Hyaluronate?

Sodium sulfated hyaluronate is a modified version of hyaluronic acid, a naturally occurring polysaccharide found throughout the skin and connective tissues. The sulphation process alters its chemical structure, which may influence how it behaves in skincare formulations and interacts with skin.

In cosmetics, it functions as an emollient, helping to soften and smooth the skin surface. Like standard hyaluronic acid, it has a significant capacity to bind water molecules, which supports the skin's hydration and moisture-retention capacity.

How It Works

Sodium sulfated hyaluronate works primarily through its hygroscopic properties—its ability to attract and hold water molecules. When applied to skin, it draws moisture into the stratum corneum (the outermost layer), plumping the skin and reducing the appearance of dryness.

The sulphation of the molecule may also influence how it interacts with skin's natural structures. Research suggests that hyaluronic acid and related glycosaminoglycans play roles in skin's hydration regulation and immune function, though the specific mechanisms of the sulphated form require further investigation.

Clinical Evidence & References

Evidence for sodium sulfated hyaluronate specifically is limited in published clinical studies. Most research focuses on standard hyaluronic acid, which has well-established benefits for skin hydration and moisture retention. The sulphation process is thought to confer additional properties, but comparative studies between sulphated and non-sulphated forms in skincare are sparse.

Emerging research on glycosaminoglycans (the broader class of molecules to which hyaluronic acid belongs) suggests they may influence skin barrier function and immune responses, though this research is primarily preclinical and conducted in animal models. More human studies would help clarify the specific benefits of the sulphated variant.

How to Use

Sodium sulfated hyaluronate is typically found in serums, moisturisers, and hydrating treatments. For best results, apply to damp skin—this allows the ingredient to draw moisture into the skin rather than from it. It pairs well with occlusive moisturisers that seal hydration in place. Works effectively at any time of day in both morning and evening routines.

Safety & Precautions

Sodium sulfated hyaluronate is generally well-tolerated across skin types. As with any ingredient, patch testing is advisable if you have particularly sensitive skin.

Frequently Asked Questions

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