Collagen After 40: What Actually Works (Nutrition, Hormones, Topicals & Treatments)

Collagen loss accelerates after 40, especially during perimenopause and menopause when estrogen levels decline and skin repair signaling slows. But rebuilding collagen isn’t just about taking a collagen supplement. It requires supporting the biology that tells your skin how to repair and rebuild itself. In this video, I break down the science behind collagen production in midlife and what actually supports healthy collagen from the inside out. We cover: • Why collagen declines after 40 • The role of estrogen in skin aging and collagen loss • Nutrition that supports collagen production (protein, vitamin C, collagen peptides) • Topicals that influence collagen signaling (vitamin C, retinoids, copper peptides, Matrixyl, topical estrogen) • Peptides like GHK-Cu and how they support skin repair • In-office treatments that stimulate collagen (microneedling, lasers, chemical peels) • Why biostimulatory injectables like Radiesse and Sculptra are replacing traditional fillers • How to layer nutrition, topicals, peptides, and treatments for better results Collagen loss in midlife isn’t just about aging — it’s about losing the biological signals that maintain skin structure. When those signals are supported properly, the skin can rebuild collagen more effectively. I’m Dr. Kristi Sawicki, a PhD scientist focused on longevity, metabolism, and healthy aging. My goal is to translate complex science into practical strategies that support long-term health and skin biology. Subscribe for science-based insights on peptides, hormones, longevity, and midlife health. Visit my website: https://longevitywithkristi.com Join my private women’s longevity community: https://women-s-optimized-wellness.mn.co/share/bJwieXaaxM3Aa0qI?utm_source=manual Explore longevity therapies with AgelessRx: https://agelessrx.pxf.io/c/4539887/3099119/26644 Use code DRKRISTI for a discount off your first treatment. AgelessRx offers physician-guided telehealth services for therapies like NAD+, peptides, and metabolic health support. This content is for educational purposes only and is not medical advice. 0:00 Understanding collagen loss 1:10 Nutritional foundations 4:08 Peptide signaling 6:15 Topical skin treatments 11:43 The role of estrogen 15:42 Layering your strategy 17:23 Micro needling procedures 20:47 Chemical peels and turnover 23:02 Laser skin treatments 24:41 Bio-stimulatory injectables 27:16 Building a holistic plan