I've just used mine for the first time & my scars look paler already. [[http://www.boots.com/neutrogena-visibly-clear-light-therapy-acne-mask-10229137?utm_medium=cpc&utm_source=google&utm_term=[neutrogena%20acne%20mask]&utm_campaign=go-gb-eng-ps-neutrogena-visiblyclear-lighttherapymask-bp-exa-rn-brand&gclid=COG39aqIhNQCFQqNGwodmXoN4g&gclsrc=aw.ds]] I've got pcos so my skins never been perfect but this seems good.