A kind of freckle-removing and yellow-removing gel and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 上海达尔威生物技术研发有限公司
- Publication Date
- 2017-04-05
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Abstract
Description
technical field
[0001] The invention relates to a preparation method of a gel, in particular to a freckle-removing and yellow-removing gel and a preparation method thereof. Background technique
[0002] Spots are prone to occur on the face, and are light brown, dark brown, taupe pigmented spots, including freckles, dark spots, chloasma and age spots, etc., which are pigmented disordered skin diseases. Western medicine believes that it is a variation of photosensitive dermatitis or phototoxic dermatitis. Many cases have a history of contact with chemicals and inferior cosmetics. Some ingredients in cosmetics such as actor's oil paint or household cosmetics can occasionally cause pigmentation. Aggravated by sun exposure. Electromagnetic oscillation can stimulate melanin in the skin. Long-term exposure to computer radiation, poor sleep or insufficient rest at night, and high psychological and work pressure can all cause pigmentation. In addition, malnutrition and other factor...