Chlorhexidine digluconate is a salt form of chlorhexidine that is white in color and has no scent. In skincare and cosmetics it is mainly known for its antimicrobial and preservative properties.
As a biocide or an antimicrobial agent, chlorhexidine digluconate can prevent any harmful microorganisms from growing and spreading further. That is why it is used in various skincare products that remedy bacterial and fungal skin infections.
The same way it wipes out bacteria from the skin, chlorhexidine digluconate can also fight it inside cosmetic products. That way it can be added into a formulation as a preservative to make cosmetics last longer.