Neal's Yard Remedies Neem Soap

I have done quite a bit of research into Neem since I first heard about it 9 months ago. If it does half of what it says on the tin it's truly a miracle product. It comes from a tree which grows prolifically in India and it's benefits have been known there for hundreds of years. So the legend goes it first came to the notice of the Western world when someone watched a swarm of locusts fly over a field and decimate everything in their path EXCEPT a lone neem tree which was left untouched. A later experiment with two insects put in a chamber with some neem leaves saw one insect nibble a leaf and die and the other died from starvation rather than eat ...