This is an all physical sun block which is perfect for sensitive skin. I had never seen calamine used in a sun block before so I was very intrigued... This ingredient has really helped my skin, I feel like it calms down my redness and it dries out and reduces any pimple I may have. Like any all physical sunblock this does dry out my skin a little but a simply use a little heavier cream/lotion underneath. This also leaves a pinkish white cast (very noticeable) that (depending how much is applied) fades away a little. I haven't had any other issue or irritation. This smells a bit like aloe to me. I liked and will repurchase to use on days I don't care looking a bit whitish.