Vitamin C plays a vital role in the health ... to use – simply apply 3-5 drops to clean skin morning or night, and follow with moisturizer for best results. The Retinol Serum should be used ...
To learn how to properly incorporate it into our routines, we spoke with seven skin care experts and tested a handful of formulas to curate this edit of the best vitamin C serums out there.
When it comes to finding the best vitamin C serum, there are a few critical ... a small amount and let it absorb into the skin before applying moisturizer. It may also take a few weeks to see ...