Silk Protein Primer hydrates, blurs and cushions your skin while protecting from skin-clogging pigments. Improves makeup application while extending the wear of foundation and other complexion products. Botanical Hyaluronic Acid and Silk Amino Proteins deeply hydrate and plump skin for a fresh, airbrushed and even complexion. Minerals Zinc and Titanium Dioxide act as a barrier to shield harmful UVA and UVB rays from penetrating into skin, for additional protection.