Sclerotium Gum
Natural polysaccharide from fermentation of the fungus Sclerotium rolfsii. Thickens the water phase, gives creams a silky texture and stabilizes emulsions across pH values.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Oily, Combination, Sensitive
About this ingredient
Sclerotium gum (Sclerotium Gum, Hydrolyzed Sclerotium Gum) is a natural polysaccharide obtained by fermentation of the soil fungus Sclerotium rolfsii. A cosmetic emulsion thickener and stabilizer that works similarly to xanthan and guar gum but with better sensory profile – gives creams a silkier texture and faster absorption. Where applied. Gel-creams, serums, masks, hydrating lotions, sensitive-skin formulas (0.2-1%). Often replaces xanthan gum in premium formulas for better tactile experience. In Spanish brands appears in Sesderma, Bioderma, ISDIN in formulas tagged as 'light texture'. Additional functions. Beyond thickening, sclerotium gum gives emulsions stability across pH values (3-10) and ionic strengths. Compatible with most cosmetic actives – vitamin C, AHA/BHA, retinol, niacinamide. Safety. EU CosIng permits use. CIR has not issued a standalone review, but mass-use experience is extensive. Hypoallergenic, non-comedogenic, non-irritating. Suitable for sensitive skin, atopics, infants. Pregnancy and lactation – safe. A natural polysaccharide, does not penetrate intact skin, no systemic absorption. No restrictions in any product, including face, body, breast.
Frequently asked questions
Is Sclerotium Gum safe during pregnancy?
Sclerotium Gum is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Sclerotium Gum for?
Sclerotium Gum suits: normal, dry, oily, combination, sensitive.
What is Sclerotium Gum and what does it do in cosmetics?
Natural polysaccharide from fermentation of the fungus Sclerotium rolfsii.
What's the INCI name for Sclerotium Gum?
The INCI name is Sclerotium Gum. It may also appear as: Hydrolyzed Sclerotium Gum.
See Sclerotium Gum in a product composition right on the store page
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Similar role in the formula
Other functional ingredients
SD Alcohol 39-C, Seawater, Sebacic Acid, Shellac, Trimethylsiloxysilicate, Ceteth-20, Hydrogenated Castor Oil, PEG-45 Palm Kernel Glycerides
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