Makeup and food homologous preservative composition and application thereof

The invention relates to the field of preservatives, and provides a cosmetic and food homologous preservative composition and application thereof in order to solve the problems that in the prior art, a preservative for cosmetics is high in additive amount, strong in skin irritation and high in requirement for the pH value of a cosmetic system, and the cosmetic and food homologous preservative composition is prepared from, by weight, 0.08-0.2 part of pyrosulfite, 0.1-0.2 part of dehydroacetate and 0.1-0.2 part of glycerol caprylate. The composition has an excellent preservative effect even if the dosage is low, is high in safety, small in skin irritation, suitable for a system with a wide pH range and capable of being used for corrosion prevention of cosmetics. 本发明涉及防腐剂领域，为解决现有技术下化妆品用防腐剂添加量高、对皮肤刺激性强且对化妆品体系pH值要求较高的问题，提供一种妆食同源的防腐组合物及其应用，以重量份计，包括0.08～0.2份焦亚硫酸盐、0.1～0.2份脱氢乙酸盐和0.1～0.2份甘油辛酸酯。该组合物低剂量即具有优良的防腐效果，安全性高，对皮肤的刺激性小，且适用于较广的pH范围体系，可用于化妆品的防腐。