Is it OK to use sunscreen everyday?
Yes, daily sunscreen use is not only safe but recommended by sun protection researchers. UV exposure happens every day, and daily use is what produces the long-term protective and anti-ageing benefits that sunscreen is known for. Approved sunscreen formulas are tested for safety with regular use in mind.
The long-term safety of daily sunscreen use has been studied extensively. Ingredients approved by bodies like the Bureau of Indian Standards, European Commission, and Japan's MHLW have undergone toxicological review for daily application. The consistent finding across decades of research is that daily use produces measurable skin health benefits and no meaningful adverse effects for the vast majority of people. If you experience sensitivity with a particular formula, the solution is switching products, not stopping sunscreen altogether.