Full size, authentic, new in box. The box is a bit bent in the one corner due to how I had it stored in my closet. Skinceuticals recently changed packaging. This is the old packaging. I purchased it in February and it has been properly stored. In an 8-week study, Triple Lipid Restore 2:4:2 moisturizer cream significantly improved the appearance of key visible signs of accelerated aging.* Atter 1 week of use, Triple Lipid Restore 2:4:2 is shown to improve the skin's barrier resilience by up to 30%*