A lightweight sunscreen serum with Collagen Peptide that helps protect against sun damage and helps visibly correct early signs of aging. Kiehl's advanced lightweight sunscreen serum with Collagen Peptide is specifically formulated to protect against sun damage and help visibly correct early signs of aging. Powered with UV filters to help shield against UVA and UVB, and Collagen Peptide to help correct the appearance of UV damage, this SPF serum with an invisible finish works to boost skin radiance and visibly improve skin tone and texture, while blending seamlessly across multiple skin tones. Up to 90% of early signs of skin aging can be prevented with the daily use of broad-spectrum sun protection. Harmful UV exposure can impact skin's collagen, which contributes to visible loss of radiance, rough texture and uneven skin tone. Protect against harmful aggressors and potential UV damage by applying UV sunscreen protection as the last step in your daily skincare routine. What It's Good For: Helps protect against UV damage* Helps correct visible signs of aging like tone & texture Clinically demonstrated SPF 50+ Helps boost skin's radiance Invisible finish across multiple skin tones Layers seamlessly under makeup Suitable for all skin types, including oily and acne-prone skin Made with a glass bottle with post-consumer recycled material Key Ingredients: SPF 50+ UVA/UVB: provides advanced UV filters to protect skin against UV damage. Collagen Peptide: works to visibly correct signs of UV damage such as tone and texture. Pro Tip: Boost your glow and radiance by applying under your makeup Add to your hands before gel manicures for UV protection How to Use: Apply generously as the last step in your skincare routine Wait 15 mins before UV exposure Re-apply every 2 hours *When used as directed