Su:m37 Secret Essence is a steady seller that offers essential changes to the skin with its dense formulation of 86 plant extracts harvested over the four seasons. It contains the powerful natural and fermented essence, Cytosis Extract, which has been enhanced with a brain-derived peptide to provide even more efficacy. Experience the rich nutrients and moisture absorption of this essence by applying it after toning the skin, and for an extra boost, use it as a soothing mask by applying it on a cotton pad and leaving it on the skin for 2 minutes.