Retinol composite micro powder for cosmetics and preparation method thereof

The invention discloses retinol composite micro powder for cosmetics and a preparation method of the retinol composite micro powder, and belongs to the technical field of cosmetics. According to the preparation method disclosed by the invention, the hollow PMMA microspheres are used as a carrier to accommodate and load the retinol substances according to a specific proportion, and the prepared composite micro powder effectively improves the stability of the retinol substances contained in the composite micro powder, so that the composite micro powder does not generate negative effects of yellowing and peculiar smell; and meanwhile, the product can stably and slowly release retinol substances in the use process, so that the irritation to the skin is reduced, and meanwhile, the beneficial effects on the skin are not reduced. 本发明公开了一种化妆品用视黄醇类复合微粉及其制备方法，属于化妆品技术领域。本发明所述制备方法以空心PMMA微球为载体按照特定的比例对视黄醇类物质进行收容负载，所制备的复合微粉不仅有效提升了其含有的视黄醇类物质的稳定性，使其不会发生发黄、异味的消极效果，同时该产品在使用过程中可以实现稳定缓慢地释放视黄醇类物质，使得其对于皮肤的刺激性降低地同时对于皮肤的有益效果不会减少。