Phototherapy for Acne Vulgaris: Strategies and Clinical Applications in Sebum Modulation, Inflammation Control, and Scar Management

Photo-based therapies are phenotype-specific rather than interchangeable. Strategies targeting sebaceous activity and inflammation are central to treating active lesions, while tissue-remodeling interventions are most effective for managing sequelae. This review establishes a strategy-oriented framework that supports personalized, evidence-based treatment planning in routine clinical practice.