Aveeno Sunblock Protection Sunblock Lotion contains Mineral Block Technology with 100% naturally-sourced active ingredients, a more natural alternative. Developed in partnership with leading dermatologists, this extra gentle formula is specially designed for sensitive skin. Mineral Block Technology provides superior, long-lasting sun protection. It forms a protective barrier on top of skin that scatters both UVA and UVB rays. Only Aveeno Natural Protection formula combines skin-soothing Active Naturals oat with Mineral Block Technology to ensure that your delicate skin is protected and not irritated.