E3S Web of Conferences

Optimization of blend formulation of agar/κ-carrageenan hydrogels for transdermal delivery of vitamin B12

Paul Jake Nalzaro, China Nicole Alterado, Tina Marie Ong, Camille Ann Venturina and Terence Tumolva

E3S Web Conf., 679 (2025) 01032

Published online: 18 December 2025

DOI: 10.1051/e3sconf/202567901032

Paul Jake Nalzaro

China Nicole Alterado

Tina Marie Ong

Camille Ann Venturina

Terence Tumolva

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