Ascorbic acid (vitamin C) is an excellent antioxidant and whitening agent.


Ascorbic acid (vitamin C) is an excellent antioxidant and whitening agent. However, the stability of its aqueous solution is relatively poor, and problems such as darkening of color and decline in efficacy are likely to occur. Developing a solid-liquid separation formula is an effective solution to make full use of the efficacy of VC and avoid the stability problem of VC.


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