Timeless skin collagen elastin facial moisturizer is made with collagen and elastin proteins. It hydrates for visibly softer, smoother skin. For this item the Lot Code Format is: MMDDYPPBB.Translated this means this item was produced on: For example : Lot code 06053JB35 = June 5, 2013 from JB05. The shelf life on this item is 630 days from manufacture date.