Skincare routine recommended as follow.
Daytime: Super Hydration B Serum -> Moisturizer -> Sunscreen (SPF30 or above)
Nighttime: Super Hydration B Serum -> Mixture of prescription Retinoid (Tretinoin) and Wrinkle Smoothener -> ** Moisturizer
** If your skin is dry, you can apply as much moisturizer as you like during the day to counteract the dryness.