The following products in the U.S. contain vitamin C:

REDEFINE Multifunction Eye Cream (new Regimen Revolution)
REDEFINE Rejuvenation Mask
REVERSE Dual Active Brightening Complex
SOOTHE Moisture Replenishing Cream
UNBLEMISH Clarifying Mask
ESSENTIALS Foaming Sunless Tan
ESSENTIALS Lip Shield SPF 25
ENHANCEMENTS Micro-Dermabrasion Paste
ENHANCEMENTS Active Hydration Serum
ENHANCEMENTS Active Hydration Body Replenish
SPOTLESS Acne Clearing Treatment