Understand the Process of Dermal Fillers at It’s Me and You Clinic Causes of Forehead Frown Lines Sun Damage and Skin Aging The formation of forehead frown lines, sun damage and skin aging can be attributed to a combination of intrinsic and extrinsic factors. Extrinsic Factors: Sun exposure: Prolonged exposure to the sun’s ultraviolet (UV) rays causes photoaging, leading to the formation of fine lines, wrinkles, and age spots on the forehead. Tobacco smoke and pollution: These environmental stressors accelerate skin aging by damaging collagen and elastin fibers in the skin. Smoking: Smoking is a significant contributor to premature skin…