5 Exotic Ingredients Found in Moisturizers


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Nightingale Poop
Believe it or not, a hygienic form of nightingale droppings is used as a moisturizer.
Believe it or not, a hygienic form of nightingale droppings is used as a moisturizer.
David Tipling/Getty Images

How far would you go for beautiful skin? If you would consider applying the excrement of nightingales to your face, you're not as extreme as you may think. Nightingale guano is a fairly popular Japanese beauty ingredient that's now becoming popular in Europe and the United States. According to legend, geishas used it to ensure clear skin and to remove heavy makeup.

Fortunately, these days you don't have to apply the bird poop directly to your skin to experience its benefits. A hygienic form of the droppings can be found in some moisturizing pastes and face masks. The excrement, which when used as a beauty ingredient is sanitized with ultraviolet (UV) light, contains an enzyme known as guanine, which has a cleansing, smoothing effect on the skin. If you're still unsure about whether you want to invest in a product containing bird poop, try it out at one of the many salons that offer it as the "geisha facial."