I want to know if the ingredients are suitable or not. Where to add to prevent deterioration? or retention? For example, protect
Antioxidant in formula or other 2. Mixing method Mix all the base and water components together. then gradually add
Sebum-Reg ,
AcneBee ,
SelectSorb which is the powder at the end, then blend it. ***This method of mixing can be done? Thank you.