The Anti-Aging Cream is 10x stronger than OTC retinol creams. Tretinoin, which is the main active ingredient in The Anti-Aging Cream, is the only FDA approved ingredient that can fight aging by speeding up skin cell turnover and stopping the degradation of collagen in your skin.
Retinol's efficacy is limited. Retinol must first be converted by your skin cells to retinaldehyde, and then to retinoic acid, which unfortunately, causes the total efficacy of retinol to dwindle.
Tretinoin is said to be 10x more effective than retinol for this reason. Tretinoin is already retinoic acid and works right away.