After i have had the baby i have decided to thorough cleanse and exfoliate my skin face and body. I have super sensitive skin with a bit of acne at the moment and have redness most of the time. Cna anyone recommended a gentle exfoliator for my face and for my body. I really want to get my skin looking good again, but it is so sensitive that exfoliating usually makes it worse. any advice on some great products?

Logona or Lavera are brands that have really good products for sensitive skin. My sister uses them and she tends to neurodermitic outbursts when stressed.
You can buy them in special shops, health food shops or in pharmacies over here, but I don't know what products are available in Wales.
I'd rather wait a bit until your skin has calmed down after the cyst is removed before you start 'attacking' it.
But as you wrote you're still going to have cysts other that the giant one you probably won't get your acne under control without cortisone. Maybe your doc can give you some advice?

But still a advice from the expert is must specially in the case of sensitive skin! After that you can try any kind or brand of products!

I like Catherine's idea of sugar to exfoliate. I would mix it with olive oil to apply. Olive oil is a natural antibacterial and can soothe inflammation.