European investigation with twenty individuals demonstrated significant dermal good quality enhancement and atrophic acne scar reduction from PN injections, confirming its basic safety and success as only one therapy. Even so, this requires more substantial, for a longer time-time period randomized studies For additional conclusive proof. 然而，生產人源膠原蛋白的成本不斐，並需要高度純... https://laetigen55318.humor-blog.com/34182558/about-膠原蛋白針