What Dermatologists Eat for Firmer Skin

Dermatologists may have every laser, serum, and beauty treatment within reach, but the ones with that enviable glow often credit something far simpler: Nutrition. Good skincare can’t outwork a poor diet. From gut health to hydration, we asked leading dermatologists to share the foods and habits that keep their skin balanced, their energy steady, and their collagen thriving.

For dermatologist Rashmi Shetty, MD, author and international speaker, healthy skin begins in the gut . “Everything starts in the gut, so keeping it calm and well-fed is key,” she says. Her advice is simple: Remove what doesn’t serve you.

That means no unnecessary sweets, snacks, ice cream, or dairy. “If you look at my fridge, there’s no butter at all,” she reveals. Instead, it’s stocked with berries, nuts, cucumb