Biosaccharide Gum-4 in cosmetics: what it is and what it does

What does Biosaccharide Gum-4 do in a product?

In a cosmetic product, Biosaccharide Gum-4 keeps the skin in good condition. The EU’s CosIng database lists this job for it: skin conditioning.

What is Biosaccharide Gum-4?

Biosaccharide Gum-4 is a fermentation gum derived from sorbitol. It is a deacetylated branched polymer consisting of L-fucose, 2-D-glucose and glucuronic acid repetitive units.

CAS number

905593-86-4

CosIng reference

54770

Which products contain Biosaccharide Gum-4?

Open Beauty Facts finds Biosaccharide Gum-4 in the ingredient lists of 12 of the 22,021 products it has a list for, most often facial creams, sunscreen and day creams.

• Facial creams2
• Sunscreen2
• Day creams1

Products with it, by country of sale: France 3 · United Kingdom 2 · Singapore 2 · Italy 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Biosaccharide Gum-4 turns up, not how much of the market it is.

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check