Should I use expired sunscreen? It seems like a straightforward decision, but is it really that simple? When we consider the potential consequences of applying sunscreen that has surpassed its expiration date, a multitude of factors springs to mind. Can the effectiveness of the active ingredients diminish over time, leading to inadequate protection against harmful UV rays? What about the stability of the formulation itself? Might it separate or change in texture, raising concerns about skin compatibility and absorption? Furthermore, could using such a product expose my skin to irritants or allergens that have developed during its shelf life? How can I safely determine whether my sunscreen is still viable, and what signs should I look for? Ultimately, am I willing to jeopardize my skin health and long-term well-being for convenience? In the quest for radiant, protected skin, is it prudent to take risks with expired products?