Hello, the formula can be mixed. But the team could not comment on the suitability of the formula. to the user's skin Because the information about the user's skin is unknown. including not knowing the purpose of this formula
3. If this recipe is already made - if stored in the refrigerator. How long will it last? and - If opened Within how long is it necessary to use it?
Infection control problems no worries It is recommended to pack in a sealed package such as a pump bottle. Many ingredients in the formula, especially the peptide group. It should always be stored refrigerated for maximum performance. But the team could not answer exactly how many days, months or years. But if stored in the refrigerator It can be expected that the efficiency will not be less than 80% after 6 months. In terms of opening, how long will it take to use it? It's about infection control, which has been suggested above.