A peroxide value of 15 meq O₂/kg on receipt doesn't necessarily render a batch unusable — but it means your formulation will have aged before it's eve
In this topic : Formulating an Anti-Ageing Dry Serum with Argan + Prickly Pear: A Technical Guide for Cosmetologists · Rosehip Oil: Natural Retinoic Acid, Analytical Profile and Best Formulation Combinations