Different types of serums
hydrating
Hydrating serums are good for when you feel that your skin is a bit dry, it can also be used on oily skin as there are some hydrating serums without oil.
Anti-age
Anti-aging serums are very important, these types of serums are designed to help prevent wrinkles and will sometimes contain retinol which is the best antiaging active ingredient that you can get.
anti-oxidants
Anti-oxidant serums are really good for all types of skin, they keep your skin firm and also helps prevent aging.