We are sooooo glad you love this mask! We love it too! Just to clarify, we recommend 5-7 minutes for this mask not because it's harsher to sensitive skin, but because the main ingredient is bentonite clay -- which can hold many times its weight, meaning it can absorb and hold more oil than most clays. So, those with not-as-oily or sensitive skin should only leave it on for about 5 minutes, and not let it dry. Otherwise, it can absorb not only the oil you don't need, but the natural oils you DO need, which can dry out your skin! Those with super oily skin and bad breakouts can leave it on until it dries! Hope this helps!