Introduction BNB-G39N (1,3-Propanediol Natural / Ethylhexylglycerin) BNB-G39N is a multifunctional cosmetic additive based on 1,3-Propanediol Natural and Ethylhexylglycerin its unique properties make it suitable for use in a wide range of cosmetic applications. It combines the excellent preservative, skin care and deodorising properties of Ethylhexylglycerin with the moisturising and antimicrobial properties of a Natural based 1,3-Propanediol. BNB-G39N is a mild humectant and skin emollient with a unique skin feel. Additionally, it can contribute to the antimicrobial stability of cosmetic formulations. It can also be used to improve the efficacy of traditional cosmetic preservatives, such as parabens or phenoxyethanol. Propanediol and EHG synergistically enhance the efficacy of antimicrobial components. It also possesses good moisturizing activity. It is non-irritating and non-sensitizing and has broad spectrum activity.