An introductory moisturizing gel in the AVST system containing the lowest vitamin A and C concentrations
An introductory moisturizer in the AVST system containing the lowest vitamin A and C concentrations
The second moisturizer in the AVST system containing medium vitamin A and C concentrations
The third moisturizer in the AVST system containing moderate to high vitamin A and C concentrations
The fourth moisturizer in the AVST system containing high vitamin A and C concentrations
The fifth moisturizer in the AVST system containing the highest vitamin A and C concentrations
