Biosaccharide Gum-3: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
Share:
Inside this article:

All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Biosaccharide Gum-3?

Biosaccharide Gum-3 is a plant-derived polymer obtained through the fermentation of sorbitol, a sugar alcohol sourced from fruits and corn. Chemically it is made up of repeating units of L-fucose, D-galactose and D-galacturonic acid, yet it features a shorter chain length and a lower molecular weight than the better-known Biosaccharide Gum-1. This leaner profile gives formulators a lighter texture to work with while still delivering impressive skin benefits.

The ingredient emerged in the late 2000s when cosmetic chemists looked for a second-generation biosaccharide that would offer similar softness to Biosaccharide Gum-1 but with faster absorption and a silkier feel. By adjusting the fermentation conditions and carefully selecting the microbial strains, researchers created a gum that strikes a balance between sensory elegance and performance.

Production starts with a controlled bacterial fermentation of purified sorbitol. After fermentation the mixture is filtered, concentrated and gently dried to yield a fine, off-white powder. Because the process is water-based and relies on renewable plant feedstock, Biosaccharide Gum-3 is often highlighted in eco-friendly and plant-based marketing claims.

You will find Biosaccharide Gum-3 in a variety of leave-on and rinse-off formulas. It shows up in lightweight moisturizers, hydrating serums, sheet masks, after-sun gels, soothing lotions for sensitive skin, anti-aging creams and even some micellar waters. Its compatibility with both water- and oil-rich bases makes it a versatile tool in modern skin care.

Biosaccharide Gum-3’s Cosmetic Benefits/Uses

Biosaccharide Gum-3 is prized mainly for one key function:

Skin conditioning: This gum forms an invisible breathable film that helps lock in moisture, leaving the surface feeling soft and supple. Its smoothing effect can make fine lines appear less noticeable and improve overall texture. Because it attracts water to the skin, it delivers an instant hydration boost while supporting the barrier so the complexion stays comfortable throughout the day.

Who Can Use Biosaccharide Gum-3

Thanks to its light molecular weight and water-binding nature Biosaccharide Gum-3 suits nearly every skin type. Dry and mature skin appreciate its moisture-locking film while oily or acne-prone complexions benefit from the non-greasy texture that will not add extra shine. Sensitive skin usually tolerates it well because the gum has no known fragrance allergens or harsh solvents. There are no specific skin types that must avoid Biosaccharide Gum-3 unless an individual has a diagnosed allergy to the ingredient.

The gum is produced by fermenting plant-derived sorbitol and contains no animal by-products so it aligns with vegan and vegetarian preferences.

Current data show no reproductive or developmental concerns which means products containing Biosaccharide Gum-3 are generally considered safe for pregnant or breastfeeding women. This is not medical advice and anyone who is expecting or nursing should discuss new skincare products with a qualified healthcare provider to be on the safe side.

Biosaccharide Gum-3 does not make skin more sensitive to sunlight and it has no known interactions with other common actives such as retinoids AHAs BHAs or vitamin C.

Potential Side Effects/Adverse Reactions

Reactions to topical Biosaccharide Gum-3 differ between individuals. The following points outline potential side effects yet most users will not experience them when the ingredient is properly formulated and used in cosmetics.

  • Mild skin irritation
  • Temporary redness or warmth at the application site
  • Itching or tingling in very sensitive skin
  • Rare allergic contact dermatitis

If any negative reaction occurs discontinue use immediately and consult a healthcare professional.

Comedogenic Rating

Rating: 0–1. Biosaccharide Gum-3 is a large water-soluble sugar polymer that sits on the skin’s surface, forming a light moisture film without clogging pores. It lacks heavy oils or waxes and is used at low percentages, so it has virtually no tendency to block follicles. This makes it suitable for acne-prone and breakout-prone skin.

Because the ingredient is typically included alongside non-comedogenic humectants and soothing agents, it rarely alters the overall pore-clogging profile of a formula. Only if combined with highly occlusive emollients could the end product’s comedogenicity rise.

Summary

Biosaccharide Gum-3 is chiefly a skin-conditioning humectant that binds water, creates a breathable smoothing film and improves texture so skin feels soft and looks more even. Its lighter molecular structure allows quick absorption and a silky finish, which is why chemists add it to hydrating serums, lotions and after-sun gels.

While not as famous as hyaluronic acid or glycerin the gum has a steady following in modern clean beauty and sensitive-skin lines thanks to its plant origin, vegan status and gentle profile.

Current research and decades of safe use show a very low risk of irritation or sensitization, making Biosaccharide Gum-3 generally safe for all skin types including pregnant or breastfeeding users. As with any new product a simple patch test is wise to rule out personal sensitivities before full-face application.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search