Dermal papilla cells (DPCs) are an important element of the hair follicle (HF) niche. widely used as an in vitro model to study hair growth-related research. These cells are usually grown in 2D culture. but this system did not show efficient therapeutic effects on HF regeneration and growth. https://www.spidertattooz.com/Army-Patch-173rd-Airborne-Brigade-color/