Soybean oil mostly consists of polyunsaturated fatty acids, which are a heart-healthy type of fat that’s associated with several benefits. It contains vitamin K which is perhaps best known for its effect on blood clotting, it also plays a vital role in regulating bone metabolism. Soybean oil contains a good amount of omega-3 fatty acids in each serving. Omega-3 fatty acids have been linked to a number of health benefits and play an integral role in heart health, fetal development, brain function, and immunity. Soybean oil can often be spotted on the ingredient lists of skin care serums, gels, and lotions. Research shows that soybean oil benefits skin health.