Arizona Esthetics State Board Practice Exam

The primary benefit of using a sunscreen with a broad-spectrum SPF is the comprehensive protection it offers against both UVA and UVB rays. UVA rays penetrate the skin more deeply and are primarily responsible for aging effects and the development of skin cancers. UVB rays, on the other hand, are primarily responsible for sunburn and also contribute to the risk of skin cancer. A broad-spectrum sunscreen ensures that the skin is shielded from both types of harmful ultraviolet radiation, which is essential for preventing both immediate damage, such as sunburn, and long-term issues, including photoaging and skin cancer.

In contrast, while preventing skin dryness, brightening the skin, and minimizing the appearance of wrinkles may be desirable effects or benefits from other skincare products, they do not specifically relate to the core function of broad-spectrum SPF protection. The focus of sunscreen is fundamentally on UV protection, making it vital in a skincare routine for maintaining skin health and preventing damage from sun exposure.