Required Engineering,Computer Engineering,Software Architecture freelancer for Need Cosmetic Chemist to assist with suggestion of formula (facial mists) as it pertains to preservatives job

Looking for an experienced skin care/cosmetic chemist. I'm interested in making facial mists with preferably organic products. I have preference with ingredients but am stumped with regards to preservatives (what type, and precise amounts for usage) or stabilization. I'm currently researching options since this is the biggest area of concern for me.

Skills & Expertise Required

Engineering Computer Engineering Software Architecture