Intensity for each skin tone Light, pale white: 1-5 White, fair: 1-5 Medium white to olive: 1-4  Olive, mid-brown: 1-3 Brown: 1-2 Dark brown & very dark brown: Not suitable for IPL Please do a patch test first, and wait for 24 hours to test the IPL on your skin.  Always start on level 1 to test the sensitivity of your skin, and gradually increase intensity.