First apply the ETUDE tone-up sunscreen as the last step of your morning skincare routine, right after moisturizer. Dab a small amount on your forehead, cheeks, nose, and chin, then spread evenly outward to even out your complexion and brighten without a mask-like effect. Wait a few moments before applying makeup to let the texture blend into your skin. Remember to reapply every 2-3 hours during the day, especially with prolonged sun exposure.