Replenix Ultra Sheer Sunscreen SPF 50+ 2oz Bottle is suitable for any skin type. It will also protect the skin from the damaging effects of free radicals. It can be worn by itself or under make up if desired. For the best results, apply this lightweight sunscreen to your skin before you are exposed to the sun and then as often as you need while you are out in the sun. This ultra sheer sunscreen should be used on a regular basis before you go outside for the day. It is essential to keep the skin protected all day long and should be a regular part of your daily skin care regimen. Because it is so lightweight, it will never be a problem to wear it alone or underneath your make up.