Neem oil comes from the seed of the tropical neem tree, also known as Indian lilac. Neem oil has a wide history of use as a folk remedy around the world, and has been used to treat many conditions. Although it has a harsh odor, it’s high in fatty acids and other nutrients, and it’s used in a variety of beauty products like skin creams, body lotions, hair products, and cosmetics.
Neem oil contains many ingredients that are extremely beneficial to the skin. Some of those ingredients include:
 
fatty acids (EFA)
limonoids
vitamin E
triglycerides
antioxidants
calcium
 
It has been used in beauty regimens and skin care to:
treat dry skin and wrinkles
stimulate collagen production
reduce scars
heal wounds
treat acne
minimize warts and moles
Neem oil may also be used to treat the symptoms of psoriasis, eczema, and other disorders of the skin.