Which product is primarily used to improve the appearance of fine lines and wrinkles?

Retinoids are a class of compounds that are derivatives of vitamin A and are widely recognized in dermatology for their effectiveness in treating skin aging concerns, specifically fine lines and wrinkles. They work by promoting cell turnover and encouraging the production of new skin cells while enhancing collagen synthesis. This dual action helps to diminish the appearance of fine lines and wrinkles, making the skin look smoother and more youthful over time.

In contrast, while sunscreen is essential for protecting the skin from sun damage, it does not directly improve the appearance of existing fine lines and wrinkles. Moisturizers also play an important role in skin hydration and can help temporarily plump the skin, potentially making fine lines less noticeable, but they do not fundamentally alter the skin's aging process. Exfoliating scrubs can help remove dead skin cells and improve skin texture, but they do not provide the long-term benefits of retinoids for addressing fine lines and wrinkles.