I think I said before in a reply to Banjo, that I realise testosterone works better for me in the morning. When I took a bit much I felt too jittery so night time would not work for me.
I use oestrogen patches on my belly, changed twice a week and alternating sides and positions. So I ' reserve ' those areas purely for the patches.
I change the patches in the mornings, and add the testosterone thinly on my inner thighs about halfway down also in the morning.
Others on here and my gp suggest other body areas which don't usually have hair, such as behind knees, wrists, buttocks, inner elbows and some use soles of feet. So there does seem to be a choice at body areas if you don't want to overload on area with both sandrena and testogel.