사람이나 동물의 피부, 머리카락, 눈의 홍채 등에 존재하는 흑갈색의 색소로, 자외선으로부터 신체를 보호하는 역할을 함.
A natural dark brown to black pigment found in the hair, skin, and iris of the eye in humans and animals, which provides protection against ultraviolet radiation.
예문:
"Increased melanin production is the body's natural defense mechanism against UV damage."
"The concentration of melanin in the iris determines whether a person has brown, green, or blue eyes."
"Some skincare products aim to inhibit melanin synthesis to reduce the appearance of dark spots."