Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum vs The Inkey List Niacinamide
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs The Inkey List Niacinamide at 6.4/9.8. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum wins for hydration.