A board-certified dermatologist for nearly 15 years, Dr. Gerstner, mom to Grace and Olivia, recently opened her own medical practice in New York City. Her passion for "all things skin" led her to become the consulting dermatologist for L'Oreal Paris.
Personal Winter Beauty Saver: I focus on making my body look great—even underneath all those layers—by using glycolic acid pads on the backs of my arms and the tops of my thighs every few days to get rid of roughness and create a smooth texture.
Best Anti-Aging Tip: Steer clear of yo-yo dieting. Instead, do your best to keep weight stable. Every time you drop or gain more than 5 pounds, you lose volume in your face, creating a sunken appearance.
Favorite Bargain Product: L'Oreal Paris Youth Code BB Cream Illuminator
Length of Morning Beauty Routine: 8 minutes