Hello, recommend 1. Add
Vitamin E Acetate 0.01% acts as
Anti-oxidant to
MakeUp-Wash and
Coco Wash to prolong life and prevent rancidity 2. Add
Odor-Kill 0.5% to help absorb odor In case the smell occurs (will affect
น้ำหอม in the formula as well if using
น้ำหอม in the formula, skip this one) 3. The bottle should be opaque, not allowing UV light to affect the formula, which will accelerate the rancidity. faster