CKD Guaranteed

CKD Guaranteed is a Korean beauty brand leaning into anti-aging actives, with its Retino Collagen line of masks, ampoules, and serums built around niacinamide, retinoid, peptide, and vitamin C. The focus on lifting, tightening, and pumping formulas — plus tools like a guasha lifting serum — points to a firming, renewal-minded positioning. It suits those wanting a more concentrated, treatment-style approach to skin aging.

6 products · often uses Niacinamide, Retinoid, Peptide · $7–$24