主题词：Skin Protection and Aging; Photodynamic Therapy Research Studies; melanin and skin pigmentation; Nonmelanoma Skin Cancer Studies; Psoriasis: Treatment and Pathogenesis; Dermatologic Treatments and Research; Dermatology and Skin Diseases; Acne and Rosacea Treatments and Effects; Cutaneous lymphoproliferative disorders research; Cutaneous Melanoma Detection and Management; Laser Applications in Dentistry and Medicine; Contact Dermatitis and Allergies; Drug-Induced Adverse Reactions; Nail Diseases and Treatments; Porphyrin Metabolism and Disorders; Indoor Air Quality and Microbial Exposure; Urticaria and Related Conditions; Oral Health Pathology and Treatment; Autoimmune Bullous Skin Diseases; Mast cells and histamine; Allergic Rhinitis and Sensitization; Diverse Scientific and Economic Studies; Biocrusts and Microbial Ecology; Vitamin D Research Studies; Advancements in Transdermal Drug Delivery