Revaleskin Illuminess Brightening Complex Overview Hyperpigmentation can have several causes.  Age, sun damage, freckles, acne scars, pregnancy, and birth control hormones can all cause dark spots or patches on your face and neck.  Lightening these spots can be done naturally or with chemicals.  Both methods can work, and they both take time and patience.  Revaleskin Illuminess Brightening Complex uses natural…