| AA | Alopecia areata |
| AR | Androgen receptor |
| AGA | Androgenetic alopecia |
| APCP | AP Collagen Peptide |
| 5ARIs | 5α-reductase inhibitors |
| CH | Collagen hydrolysate |
| DP | Dermal papilla |
| DPCs | Dermal papilla cells |
| DHT | Dihydrotestosterone |
| DCs | Dendritic cells |
| ECM | Extracellular matrix |
| FGF | Fibroblast growth factor |
| FPHL | Female-pattern hair loss |
| HFs | Hair follicles |
| hHFs | Human hair follicles |
| HFSCs | Hair follicle stem cells |
| GSCPs | Globefish skin collagen peptides |
| GSCPs-MNs | Globefish skin collagen peptides with dissolving microneedles |
| hDPCs | Human dermal papilla cells |
| HM | Hair matrix |
| IF | Immunofluorescence |
| LH | Luteinizing hormone |
| LLLT | Low-level laser therapy |
| LMWCP | Low-molecular-weight collagen peptides |
| PRP | Platelet-Rich Plasm |
| PTHrP | Parathyroid hormone-related peptide |
| SKPs | Skin-derived precursors |
| Tregs | Regulatory T cells |
| TE | Telogen effluvium |
| TGF-β | Transforming growth factor-β |
| TCM | Traditional Chinese medicine |
| THSD4 | Thrombospondin type 1 domain containing 4 |
| VIP | Vasoactive intestinal peptide |
| VEGF | Vascular endothelial growth factor |
| WB | Western blot |