Definition: Pheomelanin, also known as melanin, is a pigment that appears on the skin in areas such as the eyelids, eyebrows, and the scalp. It plays a crucial role in protecting our skin from harmful UV rays by absorbing them before they are absorbed into our body. The main function of pheomelanin is to help prevent premature aging or damage to hair follicles. Specifically, it helps protect the hair shaft from damage caused by UV rays, which can lead to hair loss over time. Pheomelanin also plays a vital role in maintaining hair color. When we apply sunscreen or other protective treatments that block harmful UV rays, the pheomelanin levels on our skin can be reduced, leading to a lighter, more even-colored hair color. In summary, the word "What does pheomelanin do to hair?" refers to its ability to protect and maintain healthy, vibrant hair. It helps prevent damage from UV rays and prevents premature aging by protecting hair follicles from damage from harmful ultraviolet radiation.
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