Good Sunscreen vs. Bad Sunscreen. Sunscreen is a cornerstone of skin protection, shielding against ultraviolet (UV) rays that cause sunburn, premature aging, and skin cancer. However, the sunscreen market is vast, with products ranging from highly effective to outright ineffective or potentially harmful. Distinguishing good sunscreens from bad ones involves understanding their ingredients, protection levels, application methods, and environmental impact. This article delves into the characteristics of quality sunscreens, red flags of subpar products, and practical tips for making informed choices to safeguard your skin and health.
