European investigate with 20 patients shown sizeable dermal quality improvement and atrophic acne scar reduction from PN injections, confirming its safety and performance as just one therapy. Having said that, this requires larger, more time-term randomized scientific tests For additional conclusive proof. 相較之下，透過直接注射至真皮層的「膠原蛋白針」，不僅克服塗抹與口服等方式的侷限... https://jaredmoqon.ageeksblog.com/34092395/laetigen-secrets