| abstract |
The invention belongs to the technical field of bioengineering, and discloses a polyglutamic acid and human epidermal growth factor nanoliposome and a preparation method thereof. According to the invention, the preservative-free nano liposome is prepared by compounding the high and low molecular weight polyglutamic acid and the human epidermal growth factor and utilizing the antibacterial action of epsilon-polylysine, has the synergistic effect of skin repair, greatly improves the transdermal property and the skin absorption rate of active ingredients, and has the advantages of stable performance, good use compatibility and higher encapsulation efficiency. |