111 SKIN Y Theorem Repair Light Serum NAC Y2 is an incredibly light version of the original serum that contains NAC Y2. Recommended for any skin type, it's particularly suitable for those living in hot or humid climates. This serum is intensely hydrating while sinking effortlessly into skin.
How do I use it: Liberally apply one pump to the face and neck both day and night.
From 111 SKIN.
- 1.01-fl oz Y Theorem Repair Light Serum NAC Y2