1. The invention relates to a method for preparing a nanofiber bracket material using levorotatory polylactic acid as matrix.
本发明涉及以左旋聚乳酸为基质的纳米纤维支架材料的制备方法。
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2. Contain concentrated levorotatory vitamin c promote the formulation of collagen assist to reduce fine lines and wrinkles effectively repair damages caused by sunlight or external environment;
3. Contain concentrated levorotatory vitamin c promote the formulation of collagen assist to reduce fine lines and wrinkles effectively repair damages caused by sunlight or external environment;
