Cosmetics Formulation Development

Now start using facial oils. which helps in keeping the skin hydrated but sometimes there will be สิวอุดตัน but overall my skin condition has improved. But personally, I still have problems with freckles, melasma, I want to know which oils or which extracts can help with this. It can be mixed with oil to apply on the face.

Hello, Introducing สาร whitening soluble in oil eg Sym-White Sym-White ] Sym-White soluble in some oils. and insoluble in some oils Members may therefore have to do a solubility test first. that the oil that members choose to use as the base of the formula can dissolve Sym-White is it good?