by staff » Sun Jan 10, 2021 2:54 pm
Hello, the problem of using herbal boiled water to make any form of cosmetics is stability or stability. Considering that we can use this ingredient. Can it be used in cosmetic products? It's easy to leave it at room temperature. Then look at the changes. If you leave it for 12 months, then everything remains the same. (such as no change in color, smell or other physical), it may be considered to be used.
Staff - MySkinRecipes