10 Disgusting Common Ingredients In Cosmetics br br br 10 bull semen br br br bull semen has become a popular ingredient in hair products br . Used particularly for dry or damaged hair, the semen is mixed with a plant called Katera and applied to the hair in swanky salons. br br The process takes about 45 minutes, costs about $90-120 USD br br 9 Cochineal Beetles br br br br ochineal Beetles (Dactylopius Coccus) are tiny insects that feed on cactus plants in Central and South America. Female cochineal beetles eat the red cactus berries, so when the beetles are crushed, a very powerful red dye is produced. br br Cochineal dye has been used for centuries, and it is very safe for most people, so it is commonly used in lipstick, ice cream, candy, yogurt, and eye shadow. br br 8 Ambergris br br br Ambergris is a waxy, yellow, solid substance that is generated in the intestines of Sperm whales to protect them from sharp objects that they sometimes swallow. It's often called the "gold of the sea." br br The unique scent of ambergris is often used in expensive perfumes, and it is sometimes eaten. It is considered a delicacy br br 7 Shark Liver Oil (Squalane) br br br The squalane that is extracted from the liver of sharks goes into creating Shark Liver Oil, which is used in many products. Its greasy consistency is easily absorbed into the skin, making it a perfect ingredient for many products like lip balm, sunscreen, and moisturizers br br br 6 Foreskin br br uman foreskin has been used for years as a method to cultivate new skin growth, instead of performing skin grafts on burn patients. It’s been proven to work much more effectively. The same method is also used in the cosmetics world.