SHOULD YOU USE A SERUM? WHAT KIND OF SERUM IS BEST? 🤔 Your questions, answered! On this week’s of Kiehl's Asks, Dr. Zharlah (@zharlmd), a board-certified dermatologist 🥼, shares with us the benefits of using a potent serum and what key ingredients you should look for depending on your skin type. ✨ Have a skin concern you want to personally ask a derm about? Sign up for a FREE derm consultation at the link in our bio! 📱 #KiehlsPH Disclaimer: This is in line with the educational campaign of Kiehl's. This should not replace consult with a board certified dermatologist.