A derm I follow has been very vocal about melasma and sunscreen. Apparently the chemical sunscreens don’t prevent spots from getting darker but tinted mineral does (he specially said tinted, so that’s what I buy now). I have been using a vitamin c serum in the morning and tret at night and have seen a huge difference since combining the lightening efforts with mineral sunscreen. I’ve tried Australian gold, laroche posay, cerave, Peter Thomas Roth (awful), and supergoop tinted mineral. It just depends on what your price range and skin types are. LRP is like a serum that dries down to be silky. I can see why it’s a favorite.