The recommended daily allowance (RDA) standards recommended by the Institute of Food and Nutrition are as follows 1: Vitamin A for women aged 19 and over: 700 μg, for pregnant women over 19 years of ...
What does a vitamin C serum do? 'Vitamin C is a staple for so many skin concerns,' explains facialist ... Hyaluronic acid, ferulic acid, vitamin E and azelaic acid are a match made in heaven ...