Black Cumin Seed Oil may offer many health and cosmetic benefits and is generally known for its therapeutic uses. Black Cumin Seed Oil contains thymoquinone, which is an antioxidant and anti-inflammatory compound. People can take Black Seed Oil in the form of capsules or apply it topically to benefit the skin. It is also possible to add the oil to massage oils, shampoos, homemade skin-care products, and fragrances.