| abstract |
The present invention provides a fat extract without added ingredients, a preparation method therefor and a use thereof. In particular, the present invention provides a use of a fat extract without added ingredients in the preparation of a composition or product for one or more uses selected from the group consisting of: (a) promoting proliferation of fibroblasts; (b) promoting anti-aging of fibroblasts; and (c) promoting production of type I collagen in fibroblasts. The present invention further provides a preparation method for the fat extract without added ingredients, a pharmaceutical or cosmetic composition containing the fat extract without added ingredients, and a method for culturing fibroblasts in vitro. The fat extract without added ingredients provided in the present invention can effectively and cooperatively inhibit skin aging, prevent fibroblast apoptosis, promote fibroblast proliferation and collagen synthesis, and promote skin rejuvenation. |