-Our attitude toward life determines life's attitude towards us-
the heat wouldn’t help either with your Melasma!
I get break outs from the zinc oxide if I don’t take it off properly. As it’s quite thick it can be a bit hard to take off so I use a light glycolic cleanser, put it on at the start of a shower and let it soak in a bit re rub it in and then wash it off. Be careful of the claims of sunscreens from America/Asia as being SPF 50+. In australia a lot of them have been tested (Murad etc) and their ratings reduced because it’s independently tested in australia not by the manufacturer.