Tea Tree Oil for Blemished Skin This purifying facial oil works with your skin so you can target blemishes and live beautifully confident every day. It's brilliant for oil-slick skin that gets blemishes when it's having a bit of a day. This bottle is little enough to fit inside your pocket, but you shouldn't underestimate its power. Don't be afraid to top up on the daily for clearer-looking skin. It's a small but mighty oil, and only takes one or two drops. Still not convinced? This stuff is powerfully purifying. And so refreshing you can smell it. Tag the oil onto your full Tea Tree routine or go ad hoc. It's all good.