SUSHAMA R. AMBADEKAR et al. 2019. Reverse engineering of formaldehyde in cosmetic products using rp-hplc technique by derivatization with 2, 4-dinitrophenylhydrazine. International Journal of Pharma and Bio Sciences. 10, 3 (Sep. 2019), 28–36. DOI:https://doi.org/10.22376/ijpbs.2019.10.3.p28-36.