Composition with high-efficiency broad-spectrum antibacterial capacity and application of composition in cosmetics

The invention provides a composition with high-efficiency broad-spectrum antibacterial capacity. The composition is prepared by the following steps: mixing the following components in percentage by weight: 10-40 percent of hydroxyacetophenone, 5-30 percent of glycerol caprylate and 30-60 percent of C2-10 dihydric alcohol, heating to the temperature of 80-90 DEG C, completely dissolving the materials, thereby obtaining the product. According to the composition disclosed by the invention, Gram negative bacteria, gram-positive bacteria, moulds and saccharomycetes thereof in the cosmetics can be effectively inhibited and killed under the conditions of low addition amount, high safety, mildness and low irritation, and the composition has certain effects of moisturizing, assisting emulsification and resisting oxidation and is particularly suitable to serve as a preservative in the transparent system, W/O or O/W cream emulsification system and surfactant washing system. The invention also provides an application of the composition serving as a preservative in the cosmetics.