Thank you for replying.
I looked up the paleo diet however it is quite near to what I eat at the moment. I don't eat processed food and stick to mostly fresh fish, beef, eggs but I do eat potaoes and peanut butter. I also try to stay gluten free but I'm not sure that works either. I only take warm showers but I did try a phase of cold showers and that showed no improvement either. Unfortunately if I don't take a shower every two days I tend to smell which I can't really mask with deodorant.
Hm, that's interesting. You could try supplementing with vitamin D3. It's good for both acne and oil and is very safe. You could probably take 5000iu a day for a month, see if it helps. Vitamin D takes a while to accumulate in tissues.
Pantethine (not B5/pantothenic acid, rather a B5 dimer: http://en.wikipedia....wiki/Pantethine) is useful for reducing oily skin as well. It didn't do a whole lot for my acne but it made my skin dry, and I don't have oily skin. It began working after about a week, and I think I was taking maybe 2 450mg capsules a day. Don't overdose on this, as some people have reported vitamin B5 induced hair loss at high doses (~6+ grams/day) for extended periods of time. Pantethine isn't quite B5 but it could share some of the side effects.
Thanks again for replying, much appreciated. I have tried Vitamin D3 before for a bout 2 months taking 2000iu a day however it didn't help or lessen oil production. I'm quite hesitant to take B5 as well since I've already got a slight receding hairline so I will probably steer clear but thanks for the advice.