I'm not in the UK but here I buy it at Walmarts, the health food store, drugstores. Be sure it's just aloe though. Usually I can find it with first aid for sunburns
2c/3a?
Low porosity, medium texture.
http://public.fotki.com/Medusahair/

If it smells good put it in your hair, if it tastes good spit it out!