Key points from article :
Serums are light, easily absorbed oil- or water-based liquids.
Skin serums are not moisturisers and can be applied before them.
Dr. Waldman recommends serums that contain vitamins C & E, and ferulic acid.
Intensive dose of ingredients can address common skin complaints.
Can prevent brown spots, reverse UV damage, and stimulate new collagen.
Tea polyphenols and resveratrol target wrinkles.
Dry skin benefits from vitamin E, niacinamide, and glycolic acid.
Price doesn't seem to make much difference - check the ingredients.
