I have about 25 grams of Azelaic Acid in powder form and I am wondering how do I convert that to about 250ml (8oz) of 5%. I have absolutely no ideal.
Aso do any one know sites to get 5% Azelaic Acid for reasonable price and please don't mention wholesale hairproducts.com
Aso do any one know sites to get 5% Azelaic Acid for reasonable price and please don't mention wholesale hairproducts.com