After lip filler with Restylane Kysse, it’s best to avoid strenuous exercise for at least 24–48 hours. Physical activity increases blood flow, heart rate, and pressure in the injected area, which can lead to more swelling, bruising, or even uneven results if done too soon. Gentle walking is fine, but skip intense workouts, hot yoga, saunas, or anything that causes excessive sweating for the first couple of days. After 48 hours, most people can safely resume their normal fitness routine once swelling and tenderness have subsided. Following your injector’s specific post-care instructions helps ensure your filler settles evenly and your results look their best.