neem seed oil – key natural acting compound azadirachtin. neem Seed Oil is human brain accepting, meaning that our bodies are all made up differently, some accepting some compounds whilst rejecting others. neem seed oil is one oil that the body is naturally accept and respond to for healing. Use for eczema, psoriasis, dermatitis, rosacea, ringworm, school sores, ulceration, shingles, chicken pox, thrush, use for body mites and head lice, mosquito and sandfly bites. .