If the light catches my face wrongly I look like I’ve been punched beneath the eye 
I’m working on reducing the patch with a serum but I want to be able to reduce its appearance with makeup if I can too.
It’s a grey colour mostly (with a hint of blue) rather than that kind of brown melasma I associate with pregnancy (I had it on my upper lip for 2 years!) and it’s right under my eye/start of cheekbone in a kind of shape of Africa 
I’m Very fair skinned.
I wear no makeup apart from eyeliner (ie no foundation, tinted moisturiser, concealer etc) as skin is otherwise good.
Any good concealers for this type of thing?! Any other ideas...?