Face oils don't hydrate your skin, they seal moisture in. Shereene Idriss recommends exfoliating with glycolic acid, layering a glycerin serum and ceramide moisturizer, then sealing with Vaseline or face oil at night.
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A face oil is not going to hydrate your skin. A face oil is not going to hydrate your skin. You don't drink olive oil or coconut oil or jojoba oil or any oil because you are dehydrated. A face oil is a last step as an occlusive if you're looking to hydrate your skin, you can do the following steps. Number one, exfoliate regularly. I love glycolic acid. Number two, use a face mist before you decide to actually use a hydrating serum, something that is preferably glycerin based, topped off by a thick moisturizer, something with ceramides. And then at night if you need, you can even use a thick occlusive ointment like Vaseline all over your face and neck, even chest. And I would tell you I'd go a step further. At night you can even seal that in with a face oil. But during the day if you're out and about and if you're using sunscreen, just use a moisturizer before the sun.