Abstract: The present invention relates to a method for stabilizing retinol (Vitamin A), an unstable fat-soluble material, to use the same in cosmetics. The present invention provides an anti-inflammatory and skin wrinkle reducing cosmetic composition containing retinol stabilized by nano-emulsification, wherein a retinol polymer nanocapsule formed by capturing retinol with porous polymer particles is nano-emulsified by a mung bean MCT (medium chain triglyceride) extract and lecithin for stabilizing retinol.

Abstract: The present invention relates to a method for stabilizing retinol (Vitamin A), an unstable fat-soluble material, to use the same in cosmetics. The present invention provides an anti-inflammatory and skin wrinkle reducing cosmetic composition containing retinol stabilized by nano-emulsification, wherein a retinol polymer nanocapsule formed by capturing retinol with porous polymer particles is nano-emulsified by a mung bean MCT (medium chain triglyceride) extract and lecithin for stabilizing retinol.

Abstract: Provided are a method of preparing a silica powder coated with an antibacterial agent and a topical dermatological composition including the silica powder, and more particularly, a method of preparing a silica powder coated with an antibacterial agent by forming a silica particle by inducing a reaction between silicon alkoxide and alcohol solvent in the presence of a catalyst and then forming an silver and metallic coating layer on the silica particle, and a method of preparing a topical dermatological composition including the silica powder. The silica powder coated with the antibacterial agent may have high antibacterial capability, and thus, topical dermatological products including the silica powder may be maintained for a long time without using a chemical antiseptic agent that may irritate the skin and cause an allergy in the human body. Even if a small amount of expensive silver (Ag) ion material is used, the silica powder has excellent antibacterial capability and stability.