David Attenborough's Natural Curiosities (2013)

S3E5 Curious Cures

Humans aren't the only beings to utilize medicinal solutions for wounds and ailments. Various animals have developed remarkable methods to safeguard themselves using nature's pharmacy. For instance, hippos secrete a unique reddish "sweat" that not only provides sun protection but also combats infections. Meanwhile, capuchin monkeys cleverly apply leaves with insect-repelling properties to shield themselves from pesky bites.