Beneficial for  skin related problems. For external use.

Numerous insects, such as aphids, mealybugs, whiteflies, Japanese beetles, leafhoppers, thrips, fungus gnats, and other garden pests like spider mites and nematodes, are all killed by neem oil. Powdery mildew, black spot, scab, anthracnose, and leaf spot are just a few of the fungi eradicated by pure neem oil.

Krishna’s Pure Neem oil can help treat skin conditions, and blemishes, and prevent acne and pimples by being applied to the belly button. 

It's generally safe to apply neem oil on the skin. But because it's so strong, it could be a good idea to test it first on a small patch of skin before using it more broadly.