Healthy skin isn't built in your bathroom—it’s built inside your body. While most people focus on creams, collagen powders, and cosmetic treatments, the biggest drivers of wrinkles, sagging, and loss of elasticity are happening at the cellular level.
In today's episode, I discuss:
Why blood sugar may be aging your skin faster than the sun and the hidden process that damages collagen from the inside out
The surprising connection between muscle, metabolism, and firmer, healthier-looking skin (especially after weight loss)
How your body's natural cellular repair system helps slow the aging process and the habits that activate it
The biggest everyday factors accelerating skin aging, and the science-backed strategies that help protect your skin for years to come
Healthy skin isn't something you can simply apply—it's something your body creates. By improving your metabolic health, protecting collagen, building muscle, reducing inflammation, and supporting your cells, you can help your skin stay stronger, healthier, and more resilient from the inside out.
Resources Mentioned:
Environmental Working Group (EWG): https://www.ewg.org/areas-focus/personal-care-products
Track your health with Function Health: https://functionhealth.com/mark (Use code MARK2026 for $50 off your membership.)
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(0:00) Understanding Skin Aging and Its Causes
(1:24) Sponsor: Function Health
(2:04) Chronic Inflammation, Blood Sugar, and Glycation in Skin Aging
(6:01) Autophagy and Lifestyle Habits for Skin Health
(9:31) The Role of Muscle and Managing Loose Skin
(12:11) Sun Exposure, Protection, and Skin Aging
(14:35) Rapid Fire: Common Skin Health Questions
