Reveal younger-looking skin with just 1 tube of Crystal Retinal. Our iconic vitamin A night serum is clinically proven to visibly smooth stubborn wrinkles, brighten dark spots, decongest and firm your skin - without irritation.[1] Crystal Retinal contains retinAL; a next-generation vitamin A which acts 11x faster than standard retinOL.[2] And, unlike others, our patented retinal stability system ensures unmatched retinal potency and effectiveness until the very last drop. KEY BENEFITS -Fast Wrinkle Reducing Power -See clinically proven wrinkle reduction with just 1 tube -Professional-Grade Results -Retinaldehyde is proven to work up to 11 times faster than standard retinol* - so you can see results sooner -Radiant, Youthful Skin -Effective Results Until the Last Drop