I've been searching about for some CG friendly conditioners available in the UK and i thought i'd share my results! Some of them are a little pricey but the ingredients look pretty good... on many of the sites there are other conditioners available which may be CG, i've just added the ones that caught my eye!
Faith in nature aloe (£3.80 for 400ml)
Faith in nature jojoba with vit B5 (£3.80 for 400ml)
Purely Mild and Moisturising (£4.60 for 200ml)
Pure Nuff Stuff (£4.95 for 250ml)
Green People - various lovely looking (but quite expensive) products
Natura vit e, shea butter and orange oil (£12.50 for 250ml)
Real Purity native earth (has many of the same ingredients as jessicurls aloeba e.g. aloe vera, avocado oil, jojoba, horsetail, nettle, rosemary - £13.99 for 8oz)