A urine odor control system for personal care products includes a substrate with a formulation of activated carbon and an absorbent core with a formulation of silver. The personal care product includes diapers, training pants, absorbent underpants, adult incontinence products, or feminine hygiene products. The personal care product can include a liquid-permeable bodyside liner, liquid-impermeable outer cover affixed to the bodyside liner, wherein the absorbent core and substrate are disposed between the bodyside liner and the outer cover.