These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Murad Mini Vitamin C Glycolic Brightening Serum brings Glycolic Acid, Ascorbic Acid, and Inositol as actives, while rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief relies on Niacinamide, Avena Sativa (Oat) Kernel Extract, and Cucumis Sativus (Cucumber) Fruit Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the mid-range bracket, so value comes down to formulation quality. Murad Mini Vitamin C Glycolic Brightening Serum gets the nod here with its 8.6 overall score — you're getting more for a similar outlay.