Sharveswaran, R., and K. Sujatha. “Simultaneous Quantification of Para-Phenylenediamine and Resorcinol in Hair Dyes Using Franz Diffusion Technique Coupled With HPLC”. Current Trends in Biotechnology and Pharmacy 19, no. 4s (October 30, 2025): 12–22. Accessed February 21, 2026. https://www.abap.co.in/index.php/home/article/view/2421.