Having trouble pairing your #KiehlsRetinol into your existing routine? Read more to understand 👇 Use #KiehlsNo1Serum - Clearly Corrective Dark Spot Solution in the AM to help combat pigmentations and even out skin tone, followed by SPF! Use our Retinol Micro-Dose in the PM to renew your skin and boost collagen while you sleep! Always remember to moisturize your skin too 😍 #KiehlsSG #KiehlsRetinolForAll