Hi Anne:
I totally understand your problem. Mine is not as bad but I do get ugly red bruises from time to time. This is not a cure all but it definitely helps cover the bruises. I've been using it for years and it works on arms, legs... whatever you want to hide. After I dab it on, I seal the area with a little bit of face powder. It is waterproof and lasts a long time. A little goes a long way. I hope this helps. Best of luck to you.
https://www.amazon.com/Dermablend-Cover-Creme-Coverage-Foundation/dp/B0017MWW24/ref=pd_day0fbt_consumables_d_sccl_2/133-3388321-3483433