MD TXN SerumThe MD TXN Serum by pHformula is an innovative brightening serum powered by tranexamic acid and a concentrated depigmenting complex. Formulated with niacinamide, 4 butylresorcinol, and key amino acids, it targets dark spots at multiple stages of pigment formation while protecting against oxidative stress. Experience visibly more even, radiant skin with improved moisture levels all in a lightweight formula that absorbs quickly and leaves skin feeling
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