Brand from South Korea: Secret Key. To revitalise and rejuvenate skin while sleeping. Suitable for those who wish for: - Mild dead skin cells removal. - dead skin cells removal in a convenient way. - smoothing skin texture. - brightening up skin tone. Enriched with AHA, BHA and Galactomyces Ferment Filtrarte, it lets you gently remove dead skin cells and impurities while enhancing skin elasticity. White birch extracts, on the other hand, conditions skin and makes it last. How to use: Apply a moderate amount at the last step of basic skincare and go to sleep. Rinse off with lukewarm water in the morning.