Retinol Skin-Renewing Micro-Dose Anti-Aging Serum Ceramides & Peptide KIEHL'S

New & Unused. 4 mL / 0.14 oz. A potent retinol serum in a daily-strength micro-dose that visibly reduces wrinkles, firms skin, evens skin tone, and smoothes texture with minimal discomfort. For All Skin Types, including Sensitive Skin. Paraben-free and fragrance-free. HOW TO USE After cleansing, apply our serum with retinol over the entire face, including the under eye & crow’s feet area, carefully avoiding contact with the eye, eye lid area, & lips. Serum can be used morning or night. If applied during the day, serum with retinol should always be used with SPF. Suitable to be paired with Kiehl's other targeted serums, including dark spot corrector, Vitamin C serum, skin- strengthening serum & skin plumping serum