| 5-ALA | 5-aminolevulinic acid |
| 5-FU | 5-fluorouracil |
| AFL/AFXL | Ablative Fractional Lasers |
| AK/AKs | Actinic Keratosis/Actinic Keratoses |
| AuNPs | Gold nanoparticles |
| BCC/BCCs | Basal Cell Carcinoma/Basal Cell Carcinomas |
| BCNS | Basal Cell Nevus Syndrome |
| BD | Bowen’s disease |
| CBCL | Cutaneous B-cell Lymphomas |
| cPDT | Conventional Photodynamic Therapy |
| CR | Complete Response |
| cSCC | Cutaneous Squamous Cell Carcinoma |
| DAMPs | Damage-Associated Molecular Patterns |
| dPDT | Daylight Photodynamic Therapy |
| ePDT | Epigenetically Enhanced Photodynamic Therapy |
| MAL | Methyl Aminolevulinate |
| MOFs | Metal–Organic Frameworks |
| mPTP | Mitochondrial Permeability Transition Pore |
| nBCC | Nodular Basal Cell Carcinoma |
| NIR | Near-Infrared |
| NK | Natural Killer cells |
| NMSC/NMSCs | Non-Melanoma Skin Cancer/Non-Melanoma Skin Cancers |
| OTRs | Organ Transplant Recipients |
| PAKT | Photodynamic therapy in Actinic Keratosis Treatment panel |
| pBCC | Pigmented Basal Cell Carcinoma |
| PBGD | Porphobilinogen Deaminase |
| PDT | Photodynamic Therapy |
| PpIX | Protoporphyrin IX |
| PTT | Photothermal Therapy |
| ROS | Reactive Oxygen Species |
| sBCC | Superficial Basal Cell Carcinoma |
| SCC | Squamous Cell Carcinoma |
| SLNs | Solid Lipid Nanoparticles |
| SOTRs | Solid Organ Transplant Recipients |
| TLRs | Toll-like Receptors |
| UV | Ultraviolet |