Which of the following treatments is primarily used to improve wrinkles and lines?

Chemical peels are a popular cosmetic treatment specifically designed to improve the appearance of wrinkles and fine lines. This treatment involves applying a chemical solution to the skin, which causes the outer layer to exfoliate and eventually peel off. As the skin heals, new, smoother skin emerges, leading to a reduction in the appearance of wrinkles, fine lines, and other signs of aging. Chemical peels can stimulate collagen production, enhancing skin texture and firmness over time.

In contrast, microdermabrasion is a physical exfoliation technique that primarily targets superficial skin issues such as uneven texture and mild discoloration, rather than deep wrinkles. Facial steaming can help open up pores and prepare the skin for other treatments but does not directly improve the condition of wrinkles. Sunscreen application is vital for protecting the skin from UV damage, which can lead to premature aging, but it does not treat existing wrinkles or lines.