Wrinkles Home A-Z Health Information Health Library A-Z Wrinkles Overview Fine lines and wrinkles are both normal signs of aging, but the main difference is their depth. Wrinkles are deeper creases or folds in the skin that form when fine lines deepen over time. Types Fine lines: These are small, shallow lines in the skin.Deep wrinkles: These are more pronounced creases in the skin. Symptoms Lines and creases of varying depths on the face, neck, and hands. Causes AgingSun exposureSmokingSrequent facial expression Diagnosis Visual examination by a dermatologist. Treatment BotoxFillersChemical peelsLaser resurfacing (Clear + Brilliant) based on severity of the condition