0.5% Liposome-encapsulated 5-aminolevulinic acid (ALA) photodynamic therapy for acne treatment. - An, Jee-Soo; Kim, Jeong-Eun; Lee, Dong-Hun; Kim, Byung-Yoon; Cho, Soyun; Kwon, In-Ho; Choi, Won-Woo; Kang, Seong-Min; Won, Chong-Hyun; Chang, Sung-Eun; Lee, Mi-Woo; Choi, Jee-Ho; et al. (Journal of Cosmetic & Laser Therapy, 2011)