Melanin is a natural pigment that is responsible for the color of skin, hair, and eyes in humans. It is produced by cells called melanocytes, which are found in the basal layer of the skin. Melanin is important for protecting the skin from damage caused by the sun's ultraviolet (UV) radiation, as well as for regulating body temperature.

Function of Melanin

1. Protection from UV Radiation

Melanin protects the skin from the harmful effects of UV radiation by absorbing it and converting it into harmless heat. This is important because UV radiation can cause DNA damage, which can lead to skin cancer and premature aging of the skin.

2. Skin Color

Melanin is responsible for the color of our skin. People with more melanin have darker skin, while those with less melanin have lighter skin. This is because melanin absorbs and scatters light, which affects how much light is reflected from the skin.

3. Hair Color

Melanin also determines the color of our hair. Hair color is determined by the type and amount of melanin that is produced by the hair follicles. People with more eumelanin have darker hair, while those with more pheomelanin have lighter hair.

4. Eye Color

Melanin plays a role in determining eye color as well. The amount and type of melanin in the iris (the colored part of the eye) affects how light is absorbed and scattered, which determines the color of the eye.

Conclusion

In conclusion, melanin is a crucial pigment in our bodies, responsible for protecting our skin from UV radiation, determining our skin, hair, and eye color. It is important for people to take care of their skin and protect it from the harmful effects of the sun, especially those with lighter skin tones who have less melanin protection.

Provide in colour of eye