CKD

About

CKD (CKD Guaranteed) is a Korean skincare brand backed by Chong Kun Dang Healthcare, uniting nutraceutical ingredients with pharmaceutical-grade delivery. Known for its Retino Collagen line, CKD uses 300‑Dalton low‑molecular collagen, stabilized retinal, and patented Flexible Liposome technology for deeper absorption and visible firming. The brand’s Skin Nutrition System prioritizes clinically tested, clean formulas that strengthen the barrier, smooth texture, and boost elasticity without irritation. Discover CKD essences, toners, ampoules, and creams designed for sensitive, aging, and dull skin.