Darphin Intral Inner Youth Rescue Serum Size: 0.5 floz / 15ml Brand new in the box Never opened or tested MSRP $50 Authentic guaranteed Batch code: A94 Darphin Intral Inner Youth Rescue Serum is an ultra-light serum that absorbs quickly into the skin and provides intense hydration. It also helps soothe visible redness and irritation caused by external aggression to help fight the signs of aging.