The duration of the effects of Intense Pulsed Light (IPL) can vary based on the individual's skin type, condition, and the extent of their skin concerns. On average, IPL can provide long-lasting improvements, with the effects of a single treatment lasting several months to a year. However, some individuals may need to undergo multiple treatments to achieve their desired results, and maintenance treatments may be necessary to maintain the effects over time. It's best to consult a licensed skincare professional at Skiin to determine the expected results and to develop a personalized treatment plan.