Fig. 7

Exosomes of pelage HF-MSC promoted hair growth and integrated into host hair follicles. The exosomes of pelage HF-MSC were labeled with DIL (Red) and co-cultured with mouse hair follicles. Exosomes can promote the growth of mouse hair follicle (A). And, after 72 h, the exosomes (Red) of pelage HF-MSC were ingested by hair follicles and located at the dermal papilla and hair matrix region