The ingredient, explained

Glucosamine Sulfate

Research examined GLUCOSAMINE SULFATE under the stated study conditions.

Skin conditioning

Explore connections

Ingredient guide

What it is and what it does

D-glucosamine sulphate

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Skin conditioning: A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Human oral research

The multi-ingredient supplement improved photoaging scores and selected skin hydration, sebum and tonicity measures versus placebo.

What this does not tell us

30 in the randomized intervention, 4 weeks with assessment 2 weeks afterward. Pycnogenol, collagen, coenzyme Q10, hyaluronic acid and chondroitin were co-actives. Oral combination does not isolate glucosamine sulfate or establish topical efficacy. The separate observational 60-person cohort is not added to the trial sample.

Sources for this summary. PubMed 25732262 ↗

Research review checked Oct 1, 2026

Review supplied candidate titles and available abstracts selectively for exact identity; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.