Scientists have made a drug that copies sunlight affects our . It tricks our skin into becoming . It gets our to make melanin. Melanin is what gives our skin its . The scientists are from a in the USA. They say their drug could be for our health. It could stop skin and slow down how old we look. Lots of sun can give skin cancer. It can also make our skin look old and give us .
The drug could give us a without the Sun's harmful UV . UV rays damage our skin. They make light-skinned people turn . Melanin darkens our skin so we look . Melanin is our natural . It protects the skin from UV . A researcher said the drug could help fight skin cancer. This is the common of cancer. The researcher said melanin can, " [the] risk of all of skin cancer".