How To Double Serum
If you want to target multiple skin concerns simultaneously, the double-serum hack may be for you. If your skin feels dry and looks a little dull, beauty experts recommend applying a vitamin C serum with a hydrating serum to plump your skin and smooth out fine lines. Because serums are concentrated treatments, the key is to ensure that the ingredients in your products are compatible and gentle. Before trying this out for the first time, remember to do a patch test beforehand to observe any adverse reactions.