Composite liposome of vitaminaacid as well as preparation method and application
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHONGQING HUAPONT PHARMA
- Publication Date
- 2005-08-31
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1
Abstract
Description
【Technical field】
[0001] The invention relates to the field of pharmacy, and mainly relates to a composite liposome containing retinoic acid and licorice flavone, and a preparation method and application of the composite liposome. The composite liposome provided by the invention can reduce side effects during the use of retinoic acid, and can be used to prepare medicines or cosmetics for preventing and treating pigmentation skin diseases, photoaging and other epithelial abnormal skin diseases. 【Background technique】
[0002] Pigmented skin diseases are caused by excessive pigmentation on the skin due to damage to the pigment in the body, mainly including chloasma, freckles, sun spots, age spots, and post-inflammatory pigmentation and other skin diseases. Among them, chloasma is the most common, the main feature is the symmetrical hyperpigmentation, and it is easy to occur in the sun-exposed parts. There is no effective drug for the treatment of these diseases, and external ...