Acne Vulgaris 1 Acne vulgaris 1 Chemexfoliation Erythema 1 Glycolates 1 Humans 1 Keratolytic Agents 1 Polyglycolic acid 1 Review 1 Salicylates 1 Salicylic Acid 1 Salicylic acid 1 Treatment Outcome 1 acne vulgaris 1 adverse effects 1 chemexfoliation 1 clinical assessment 1 comedo 1 dermatitis 1 disease severity 1 dry skin 1 erythema 1 glycolic acid 1 glycolic acid derivative 1 human 1 hypopigmentation 1 keratolytic agent 1 patient compliance 1 patient satisfaction 1 photosensitivity 1