This $50 Niacinamide Face Serum Is as Low as $12.49 on Amazon

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Grab a 4-ounce bottle of niacinamide 4% face serum for acne and dark spots for as little as $12.49 on Amazon. To drop your price, clip the 50% off coupon on the product page, then enter code IBMHGBFV at checkout for another 20% off.

For an additional 5% discount, enroll this product in Subscribe & Save, and be sure to have at least five subscription items shipping to the same place in the next month. More Subscribe & Save deals are available here on the KCL.