This fermentation-derived polysaccharide acts as a multi-sensory active that provides both immediate and long-lasting hydration. Beyond moisture, it functions as a biological soothing agent by regulating inflammatory signaling pathways in the skin.
- INCI Name:
- Biosaccharide Gum-1
- Chemical/Scientific Name:
- Alpha-L-Fucopyranosyl-(1-3)-D-Galactopyranosyl-(1-3)-D-Galactopyranuronosyl-(1-3)
- Common Aliases:
- Fucocert, Fucose-rich Polysaccharide
| Category: | Active Substances |
| Source Origin: | Microbial fermentation (from maize or soy substrates) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Cosmetics, Dermatology, Personal Care |
| Solubility: | Water-soluble |
At a Glance: Properties & Effects
| Hydration/Moisture: | |
| Soothing/Calming: | |
| Barrier Repair: | |
| Anti-Aging/Renewal: | |
| Irritation Risk: |
Primary Benefits:
- Provides a progressive, long-lasting moisturizing film that resists evaporation.
- Reduces skin sensitivity and stinging sensations by inhibiting neurogenic inflammation.
- Stimulates epidermal sirtuin-1 (SIRT1) to promote cell longevity and renewal.
- Improves product “skin feel” by providing a soft, non-sticky texture.
Potential Risks:
- Extremely low risk of sensitization; generally considered safe for all skin types.
- Potential for slight viscosity changes in formulas if electrolyte balance is not maintained.
Biological Action & Cosmetic Profile
Microbial fermentation of plant sugars produces this high-molecular-weight polysaccharide, which consists primarily of L-fucose, D-galactose, and galacturonic acid. Its primary mechanism involves film formation on the stratum corneum, creating a porous barrier that traps water molecules. While Sodium Hyaluronate provides an immediate moisture surge, this fucose-rich gum offers a delayed hydration peak, ensuring the skin remains moisturized several hours after application.
The biological activity of the molecule extends to the inhibition of Acid-Sensing Ion Channels (ASICs) located in the epidermal sensory neurons. By modulating these channels, the ingredient effectively lowers the skin’s perception of pain and irritation caused by external chemical or physical aggressors. This makes it an ideal counterpart to potentially irritating actives like Lactic Acid or Ascorbic Acid.
Cellular renewal is further supported through the activation of Sirtuin-1 proteins. These proteins are critical for DNA repair and cellular stress resistance. By upregulating SIRT1 expression, the ingredient assists in maintaining the youthful structural integrity of the skin, bridging the gap between a simple humectant and a functional anti-aging active.
Broader Applications & Origins
Derived via the fermentation of non-GMO plant materials, this ingredient is a staple in “clean beauty” formulations due to its sustainable manufacturing process. It is frequently employed in post-procedure skincare to calm erythema and restore the lipid barrier. Beyond facial care, manufacturers utilize it in hair care products to improve fiber smoothness and in body lotions to provide a “velvet” finish without the use of heavy silicones.
Routine Integration
Synergies:
- Glycerin: Enhances the depth of humectancy when used alongside the gum’s film-forming properties.
- Panthenol: Works in tandem to accelerate barrier repair and reduce neuro-sensitivity.
- Allantoin: Provides a comprehensive soothing profile for reactive or compromised skin.
- Centella Asiatica Extract: Boosts the anti-inflammatory and healing capacity of the formulation.
Conflicts:
- No known chemical conflicts; compatible with most preservatives, including Phenoxyethanol and Sodium Benzoate.
Clinical Consensus & Safety
Dermatological assessments consistently categorize Biosaccharide Gum-1 as a non-irritant and non-sensitizer. The Cosmetic Ingredient Review (CIR) Expert Panel includes it within the group of polysaccharide gums generally recognized as safe (GRAS) for cosmetic use. Clinical trials often demonstrate its superior performance in reducing “tingling” sensations compared to control groups, confirming its efficacy as a topical neuro-calming agent. It is permitted for use in cosmetics globally under CosIng and other regulatory frameworks without specific concentration restrictions.
Is Biosaccharide Gum-1 better than Hyaluronic Acid?
It is not necessarily better, but rather complementary. While Sodium Hyaluronate offers superior immediate water-binding, Biosaccharide Gum-1 provides a longer-lasting moisture film and specific biological soothing effects that hyaluronic acid lacks.
Is this ingredient vegan and sustainable?
Yes, it is typically produced through the bacterial fermentation of plant sugars (maize or soy), making it a vegan-friendly and biodegradable choice for modern cosmetic formulations.
Can it be used on acne-prone skin?
With a comedogenic rating of 0, this ingredient does not clog pores. Its ability to soothe inflammation may actually benefit those experiencing the redness and irritation often associated with acne treatments.

