25% Vita-C Serum (L-Ascorbic Acid) 100ml
As stabilized vitamin C, it is about pH 3~4. The amount of vitamin maximum soluble in 100g water is 33%, and if it reaches more than 33%, the pH is low to irritate the skin.
Antioxidant function
Our skin requires oxygen, but from the moment when the oxygen touches the skin, it oxides and makes reactive oxygen, hazardous substances to damage normal cells. There is an antioxidant function to remove this reactive oxygen.
Whitening function
It is the function to make the skin transparent by reducing melanin pigment, and mitigate spots and...