What it is
Biosaccharide Gum-4 is a natural-origin polysaccharide produced through biotechnological fermentation. In skin care it acts as a conditioning and film-forming agent that can help leave a smooth, comfortable feel on the skin. It appears in sunscreens and other leave-on products, typically at low levels.
Safety & warnings
As a fermentation-derived polysaccharide, Biosaccharide Gum-4 is generally regarded as gentle and well tolerated at the low levels used in cosmetics. Individual sensitivities are always possible.
Origin & sourcing
Biotechnology-derived. It is produced by fermentation of sugars, yielding a polysaccharide gum used as a cosmetic ingredient.
Questions everyone asks
How is Biosaccharide Gum-4 made?
It is a polysaccharide produced through biotechnological fermentation of sugars.
What role does it play in a sunscreen?
It serves as a skin-conditioning and film-forming ingredient that contributes to a smooth, comfortable feel; it is not a UV filter.