Cosmetics Formulation Development

Hello, if you want to make drinking water วิตามินซี Fruit flavor and sweetener - In the formula, what ph should be adjusted? So it will be the most suitable. - In the formula should put สารกันเสีย Type Which and the % that must be put in if you want to keep it for a long time Or you don't need to put it in. Thank you.

Hello, drinking water Vitamin C theoretically cannot be mixed. cause because ascorbic acid (which is วิตามินซี type permitted for use in beverages), low stability when dissolved in water which when produced won't last long Vitamin C will deteriorate unless it must be packaged in a UV protected bottle and kept in a cool place. which in practice is not easy to do under the limitation of the transportation system when it actually reaches the consumer Therefore, the proportion of ascorbic acid little

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