A chemical compound found in urine and certain plants that has healing properties and is used in skincare products.
Derived from 'allantoides' plus the chemical suffix '-in.' The compound was first discovered in allantoic fluid in the early 1800s and named for its source.
Allantoin was discovered in the fluid around chicken embryos, but now it's in your moisturizer! Companies pay for it because it actually speeds up skin healing.
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