Looking for a dupe or alternative to MEDITHERAPY Retinal Skin Booster Serum? We matched 6 Korean serums by shared active ingredients (retinal), target concerns and texture — 3 of them come in cheaper once import duties are included, starting with Medicube PDRN Pink Peptide Serum (about $7.5 less).






We rank Celimax The Vita A Retinal Shot Tightening Booster as the closest match — same serum step, overlapping active ingredients and target concerns. It's one of 6 alternatives on this page, each shown with its duties-included price so you can compare the true cost.
We score every other Korean serum by shared hero ingredients, shared skin concerns and matching texture — the same signals on each product page. These are honest ingredient-and-use alternatives, not claims that any two products are identical.
Yes — 3 of the 6 come in cheaper than MEDITHERAPY Retinal Skin Booster Serum once estimated import duties are included. Every price on this page is the landed total (product + shipping + duty), not just the sticker price.
Alternatives are matched by ingredient and use, not claims of identical formulation. Prices include estimated import duties and are seed data pending verification. Back to Retinal Skin Booster Serum.