Sharveswaran, R. and Sujatha, K. 2025. Simultaneous Quantification of Para-Phenylenediamine and Resorcinol in Hair Dyes Using Franz Diffusion Technique Coupled With HPLC. Current Trends in Biotechnology and Pharmacy. 19, 4s (Oct. 2025), 12–22. DOI:https://doi.org/10.5530/ctbp.2025.4s.2.