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ALPHA-GLUCAN.

Valuable / HUMECTANT, SKIN CONDITIONING

Alpha-Glucan, particularly in its oligosaccharide form, is a sophisticated prebiotic ingredient engineered to precisely nurture the skin's microbiome. It acts as a targeted nutrient, promoting the growth of beneficial bacteria and fostering a balanced, diverse skin flora crucial for maintaining optimal skin health and resilience.

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Science

Alpha-Glucan Oligosaccharide operates as a prebiotic, strategically nourishing commensal skin microorganisms, such as *Staphylococcus epidermidis*, while actively discouraging the proliferation of undesirable pathogens like *Staphylococcus aureus*. This selective nurturing rebalances the skin's microbiota, thereby reinforcing the cutaneous barrier against external aggressors and significantly reducing transepidermal water loss (TEWL) to enhance hydration. The ingredient further contributes anti-inflammatory benefits, which can reduce irritation, redness, and flaking. It also stimulates the release of antimicrobial peptides by keratinocytes and supports increased lipid production, collectively strengthening the skin barrier. Moreover, alpha-glucans generally exhibit immunostimulating properties and hold potential for collagen production stimulation.


Research

Medium confidence
Effective range N/A
Optimal

0.1%


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 4 – 8
0 7 14

Stability

Alpha-Glucan Oligosaccharide is soluble in water, propylene glycol, and glycerol, but exhibits insolubility in oil and ethanol. For optimal cosmetic formulation stability, a pH range between 4.0 and 8.0 is recommended.


Safety

CIR Status
Not reviewed
Sensitization risk Low

Alpha-Glucan Oligosaccharide is characterized as gentle, non-irritating, non-toxic, and non-sensitizing, demonstrating high tolerance across all skin types. While the Cosmetic Ingredient Review (CIR) Expert Panel has assessed numerous polysaccharide gums as safe under current cosmetic use, a specific review status for Alpha-Glucan Oligosaccharide is not currently available.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

Alpha-Glucan is a valuable prebiotic ingredient, highly effective in balancing the skin's microbiome and fortifying barrier function, making it suitable for all skin types across a wide range of sophisticated skincare formulations.


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