great pen loverire products [SEP] i was worried the grey brown would end up green like some other pens but it does not mine works fine it is not dried out i store it point down and it does not leak it works great it does not last days whatsoever but maybe you do have to use it on product free dry skin after washing at night and it will stain for about days of washing after if you try to put it on over products it will discolor smear and skip follow directions people