Mixing Galactomyces, AA2G, Alpha Arbutin and Comparing AA2G vs Ethyl Ascorbic Acid
Question
Can I mix the following ingredients together: Galactomyces Ferment Filtrate (Pitera), Ascorbyl Glucoside (AA2G), and Alpha Arbutin?
Also, regarding the comparison between AA2G and Ethyl Ascorbic acid, which one is recommended for whitening?
Answer
Yes, these three ingredients can be mixed together: Galactomyces Ferment Filtrate (Pitera), Ascorbyl Glucoside (AA2G), and Alpha Arbutin.
However, it is important to note the optimal pH range for Ascorbyl Glucoside (AA2G) stability. For maximum stability, the final formulation containing AA2G should have a pH between 6.5 and 6.8. You should measure and adjust the pH after mixing.
Regarding the discussion about replacing AA2G with Ethyl Ascorbic acid, Ethyl Ascorbic acid is generally easier to work with as it is stable over a wider pH range. While AA2G has more historical research supporting its whitening efficacy, Ethyl Ascorbic acid is also considered effective and is used in products by major brands.
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