NTU Institute for Health Technologies;
Interdisciplinary Graduate Group;
Nanyang Technological University;
Singapore 639798;
Singapore;
School of Chemical and Biomedical Engineering;
Nanyang Technological University;
Singapore 637459;
Singapore;
Skin Research Institute of Singapore;
8A Biomedical Grove;
Singapore 138648;
Singapore;
Department of Biomedical Engineering;
City University of Hong Kong;
Hong Kong SAR 999077;
China;
Traditional Chinese medicine; Shikonin; Hyaluronic acid; Microneedle; Hypertrophic scarring; Drug delivery; Transdermal delivery; Skin;