“Melatonin is critically necessary to your pores and skin and performs a big position in pores and skin restore from environmental publicity, UV gentle, stressors, air pollution, and so forth,” says board-certified dermatologist Keira Barr, M.D., on an episode of Clear Magnificence Faculty. “Should you’re not resting, you are not producing that melatonin, and your pores and skin is not repairing itself.”Â