Ginger Ninja Minge wrote:
Cheers for the info about what's in lubes and for alternatives, Graeme and Ghost! I generally don't use cosmetic products. I only used shampoo while at uni because my Mum bought it for me. I think my hair is actually softer now than it was when I didn't use shampoo. Anyways, I'm kinda like you Graeme and just steer away from anything that contains ingredients with a high number of syllables in its name. I don't know if it would have much long term effects, but I'd rather keep away seeing as though I'm in my ripe years. Also, I wouldn't want there to be faulty genes in my sperm which'll result in my child having mental and physical difficulties. I'm sure there'd be a greater effect of chemicals screwing up the genetic code in sperm. Sort of like a chain reaction, there. :/
Anyways, leave the poor guy alone! He wanted advice on anal toys, not lube.
But... I need to say this... perhaps the reason why you're using a lot of oil is because it's absorbed or whatever too quickly and you have to reapply..? I don't know. I guess it doesn't matter because you're happy with what you're using anyway, so I'll leave you alone with going on about lube, also. 
Just a quick add-on: 6 inches doesn't seem that bad... I went for a 7 inch dildo, which I'm having some problems with. I suppose that if you shaved off an inch or an extra half, you'd be fine, then you can work up to the 6 inch. It is very much hit an miss. When concerned with sex toys, it can be a very fussy thing with length...
no one is having a go and I am sorry if my posts came across that way, I was more concerned with preventing G (and anyone else reading but not posting) from doing themselves damage.
Advice would be to start small and work up in size
Go slowly, any pain stop. DONT just pull the toy out wait until you relax or you can do more damage
Use lots of lube, the anus doesnt self lubricate so you cannot use too much
Oh and the advice about toys with a flared base is very good, take it from experience lots of lube and unsuitable toy can lead to worrying moments 
xGGx