Hello,
means that this one doesn't need to be mixed at no more than 15% without causing harm or harm, right? Because in the case of customers who buy this product, they may mix a lot. up to 15%
Using
L-ascorbic acid more than 15% is not harmful to the skin. There may be a slight collapse or skin irritation. from the acidity of
วิตามินซี , but it is not harmful. However, its use exceeds 15%. There is not enough research to confirm it. that efficiency is better Currently found There are some research findings It has been shown that using 20% will give better performance. But the variables in the research results are controversial.
And if you take this to be sold like this and let the user mix himself as well By producing with myskinrecipe and asking the FDA. Can it be done?
You can order through:
recipes Yes. Please notify the FDA.