Please allow me to comment. - Derivative
วิตามินซี with high stability are 1.
Ethyl Ascorbic acid 2.
Magnesium Ascorbyl Phosphate (MAP) - The same is dissolved. Water, highly stable, easy to mix, moderately effective in terms of brightening (
whitening ) - The difference is the pH value of the formula by
Ethyl Ascorbic acid The pH of the formula must be in the range of 3.5-6.0 and
Magnesium Ascorbyl Phosphate (MAP) The pH of the formula must be in the 7-9 range - Normal
วิตามินซี is ideal for a serum formula. Here, let's see if there is a need for the formula to have a PH value in the range. will choose to use
วิตามินซี as your desired purpose is easier -
วิตามินซี should be packaged in completely opaque packaging. No light can damage the quality.
วิตามินซี because
วิตามินซี is a light sensitive substance. Can't stand it in light conditions - recommend using
Protec™ OX and
Protec™ UV in the formula to help protect
Vitamin C from deteriorationby
Protec™ OX will prevent
Vitamin C from oxidation and
Protec™ UV will protect
Vitamin C from Light to slow down the quality loss or color change. Thank you.