Biosaccharide Gum-1
Humectant and soothing moisturizer
About Biosaccharide Gum-1
Biosaccharide Gum-1 is a polysaccharide derived from sorbitol and glucose through bacterial fermentation, creating a sugar-based moisture magnet that rivals hyaluronic acid in hydration power. This biotechnology-derived ingredient has become a staple in Korean skincare formulations, particularly in calming and barrier-repair products, because it does double duty: it pulls moisture into the skin while simultaneously reducing inflammation and irritation. Unlike synthetic polymers, Biosaccharide Gum-1 forms a breathable, protective film on skin that doesn't feel heavy or sticky. It's especially valued in K-beauty for its ability to strengthen the skin's natural defense mechanisms against environmental stressors like pollution and UV radiation. The ingredient appears in 207 products on Seoul Sister, frequently paired with centella asiatica, hyaluronic acid, and peptides in high-performing formulas like the Madagascar Centella Soothing Cream by SKIN1004 (4.8/5) and Heartleaf TECA Capsule Serum Calming Drop by Abib (4.9/5). What makes it particularly interesting is its prebiotic properties, meaning it supports the beneficial bacteria on your skin's surface that maintain a healthy microbiome. For formulators, it's a dream ingredient because it's compatible with almost everything, stable across pH ranges, and doesn't interfere with active ingredients like retinol or vitamin C.
How Biosaccharide Gum-1 Works
At the molecular level, Biosaccharide Gum-1 functions through multiple pathways. Its high molecular weight polysaccharide structure allows it to bind significant amounts of water (similar to hyaluronic acid's mechanism), creating a hydration reservoir in the stratum corneum. The ingredient's sugar molecules mimic the glycosaminoglycans naturally present in skin, which is why it integrates so seamlessly with your skin's existing moisture-binding compounds. On the cellular level, it activates specific receptors on keratinocytes (skin cells) that trigger anti-inflammatory responses, reducing the production of inflammatory cytokines like IL-6 and IL-8. This is why products containing it, like Real Barrier's Extreme Cream (4.9/5), excel at calming reactive skin. The protective film it forms isn't occlusive like petrolatum but rather semi-permeable, allowing skin to breathe while preventing transepidermal water loss. Studies show it also stimulates the synthesis of beta-defensins, antimicrobial peptides that are part of your skin's first line of defense against pathogens. This prebiotic effect helps maintain the slightly acidic pH that beneficial skin flora need to thrive, indirectly supporting barrier function.
Biosaccharide Gum-1 by Skin Type
Oily Skin
Biosaccharide Gum-1 is excellent for oily skin because it provides lightweight hydration without adding oil or heaviness. The breathable moisture film it creates won't clog pores (0/5 comedogenic rating) and actually helps regulate sebum production by ensuring skin isn't dehydrated, which can trigger compensatory oil production. Try it in watery serums like Wellage's Real Hyaluronic Blue 100 Ampoule (4.9/5).
Dry Skin
This is where Biosaccharide Gum-1 truly shines. Its ability to hold moisture and prevent water loss makes it a powerhouse for chronically dehydrated skin. The protective film helps damaged barriers heal faster, and the soothing properties calm the inflammation that often accompanies dryness. Look for it in rich creams like SKIN1004's Madagascar Centella Soothing Cream (4.8/5) where it works synergistically with ceramides and fatty acids.
Combo Skin
For combination skin struggling to balance hydration across different zones, Biosaccharide Gum-1 offers adaptable moisture that doesn't overwhelm oily areas or undersupply dry patches. Its non-greasy texture and universal compatibility make it ideal in toners like DERMALINE's PDRN Solution Activating Toner (5.0/5), which can be layered more heavily where needed. The ingredient won't disrupt the delicate balance combination skin requires.
Sensitive Skin
Biosaccharide Gum-1's anti-inflammatory and soothing properties make it a safe bet for reactive, sensitive skin types. Clinical studies show it reduces redness and discomfort from environmental irritants, and its prebiotic effects support a healthy skin barrier, which is often compromised in sensitive skin. The ingredient has a perfect 5/5 safety rating with no known irritants, which is why it appears in calming formulas like Abib's Heartleaf TECA Capsule Serum (4.9/5).
Normal Skin
Even balanced skin benefits from Biosaccharide Gum-1's protective and strengthening effects. It helps maintain the status quo by supporting barrier integrity and protecting against daily environmental stressors that can gradually compromise healthy skin. Use it preventatively in your routine to keep skin functioning optimally, especially during seasonal transitions or travel when conditions change.
How to Use Biosaccharide Gum-1
- 1Layer Biosaccharide Gum-1 products under heavier moisturizers or oils. The ingredient works best when applied to damp skin and sealed in with occlusives.
- 2Use it morning and night without concern. Unlike some actives, there's no risk of overuse, and its protective properties make it especially valuable under sunscreen during the day.
- 3If you're introducing strong actives like retinoids or acids, add a Biosaccharide Gum-1 serum or toner to buffer irritation while maintaining hydration.
- 4During compromised barrier situations (post-procedure, windburn, over-exfoliation), focus on products with this ingredient paired with centella or panthenol for maximum repair.
Background
Biosaccharide Gum-1 was developed in the 1990s by French biotech company Solabia (now part of Givaudan) as part of the growing interest in biotechnology-derived cosmetic ingredients. Created through the bacterial fermentation of natural sugars, it represented a shift toward sustainable, bio-based alternatives to petroleum-derived polymers. The ingredient gained traction in European pharmacy skincare before Korean brands discovered its potential in the early 2010s. K-beauty formulators were drawn to its multi-functional profile and compatibility with the layering routines central to Korean skincare philosophy. Its prebiotic properties aligned perfectly with the emerging understanding of the skin microbiome's importance, and by 2015, it became a frequent addition to calming and barrier-repair lines. Today, it's considered a workhorse ingredient in K-beauty, valued for being effective yet gentle enough for even the most sensitive formulations.
K-Beauty Products with Biosaccharide Gum-1
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Real Hyaluronic Blue 100 Ampoule Double Pack
Wellage
Madagascar Centella Soothing Cream
SKIN1004
Real Hyaluronic Blue 100 Ampoule
Wellage
Atobarrier 365 Cera-Ha Ampoule 30ml Refill Set
Aestura
Blanche Cleanser
S.Nature
1025 Dokdo Peeling Gel
Round Lab
Expert Madeca Mela Capture Ampoule Max
Centellian24
Birch Juice Cleansing Pad Sheets
Round Lab
Black Snail Retinol Ampoule Set
Dr.G
Pack Cleanser Set - Green Tomato / Red Tomato / Rice Dough
Fully
Homme Active Water Foam Cleanser
Laneige
Onion Newpair Cleansing Foam
Isntree
Frequently Asked Questions
Is Biosaccharide Gum-1 the same as hyaluronic acid?▼
Can I use products with Biosaccharide Gum-1 if I'm acne-prone?▼
Does Biosaccharide Gum-1 work in humid or dry climates?▼
Will this ingredient conflict with my vitamin C or retinol?▼
How quickly will I see results from Biosaccharide Gum-1?▼
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