In this episode, I discuss skin health appearance and why both are important indicators of the health status of your immune system, gut microbiome, and other organ systems. I explain why sunlight is essential for skin and hormone health and how excessive sunlight can accelerate skin aging and cause certain skin cancers. I discuss the different types of sunscreens (physical, chemical, and mineral-based) and potential health concerns of the chemicals found in some (but not all) sunscreens.
I also discuss the importance of getting your skin (and not just moles) checked for pre-cancerous and cancer growths, the role of nutrition and lifestyle factors that improve skin health and appearance, and how to improve your skin by reducing local and systemic inflammation and supporting your microbiome. 
I explain what works to improve your skin's youthfulness and appearance, including reducing wrinkles, sagging, and pore size. I review the data on ingesting (or topically applied) collagen, vitamin C, niacinamide, hyaluronic acid, and retinol, and what is known about the use of peptides (e.g., BPC-157, copper peptides) and red and far-red light phototherapies for improving skin health and appearance.
I also discuss the causes of acne, rosacea, and psoriasis and explain nutritional, skin care, and prescription-based approaches to treating these common skin conditions.
This episode ought to help everyone better understand the biology of the skin and help them make the best possible decisions for their skin health, care, and appearance according to age, goals, and current skin conditions.
Access the full show notes, including referenced articles, books, people mentioned, and additional resources at hubermanlab.com.
Andrew's New Book
Protocols: An Operating Manual for the Human Body: https://protocolsbook.com
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Timestamps
00:00:00 Skin Health
00:02:59 Sponsors: Joovv, BetterHelp & ROKA 
00:07:18 Skin Biology, Skin Layers
00:12:40 Sun Exposure, UV Light & Skin Cancers; Sunscreen
00:19:51 Aging, Sun Exposure, Skin Cancers, Physical Barriers
00:27:24 Sunburn & Skin Cancers
00:30:09 Sponsor: AG1
00:31:58 Vitamin D, Sun Exposure & Sunscreen
00:36:50 Organic (Chemical) Sunscreen & Inorganic (Mineral-Based) Sunscreen
00:49:20 Skin Cancers, Moles, Laser Resurfacing
00:53:59 Sponsor: LMNT
00:55:34 Sun Exposure, Melanoma & Life Expectancy
01:03:13 Tool: Youthful Skin, Collagen & Vitamin C
01:12:55 Peptides, BPC-157, Copper
01:20:58 Tool: Niacinamide (Nicotinamide), Youthful Skin, Dark Spots, Hyaluronic Acid
01:26:25 Tool: Retinol (Retin-A, Tretinoin, Retinyl Esters), Youthful Skin
01:33:07 Tool: Phototherapy, Youthful Skin, Treating Skin Conditions
01:41:10 Tool: Nutrition for Skin Health, Anti-Inflammatory Diets
01:47:54 Highly Processed Foods, Advanced Glycation End Products & Skin Health
01:52:08 Tools: Reduce Inflammation: Gut Microbiome, Sleep, Alcohol, Smoking, Stress
01:58:58 Acne, Hormones & Insulin; Tool: Low Glycemic Diet, Dairy
02:07:26 Tools: Face Cleansing & Acne; Scarring & Popping Pimples
02:13:29 Tool: Treating Rosacea, Alcohol, Skin Care, Nutrition
02:18:31 Stubborn Rosacea, Over Cleansing, Pulsed Dye Laser
02:21:04 Psoriasis Treatment, Immune System & Prescriptions
02:25:24 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter
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