SOD containing liposome sun-blocking and moisturizing spray and preparation method thereof

• Main Authors: LI JINMING, LI XUN, DING JIANQIU, DING FENG
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2016
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS

The invention discloses a SOD containing liposome sun-blocking and moisturizing spray and a preparation method thereof and belongs to the technical field of cosmetic production. The problem that a sun-blocking and moisturizing agent is directly dispersed in the spray in an existing product, skin irritation reaction is caused, the sun-blocking and moisturizing emulsion easily deteriorates and decays and the sun-blocking and moisturizing spray is poor in waterproof and water-resistant effect is solved. The preparation method includes the following steps that lecithin, cholesterol and the like are added to an anhydrous ethanol to be dissolved, and then rotary evaporation is performed to obtain a film; a freeze-drying excipient and a preservative are dissolved in a PBS buffer, then beta-dextran is added to prepare a water mixture; the water mixture is added to the film, stirring is performed, water bath stirring is performed after the film is completely dissolved, and then ultrasonic treatment is performed to obt