Series

Skin Longevity Series

A weekly series on the healthy lifespan of skin, published every Tuesday. All episodes, including the upcoming schedule, are listed here.

Published

2

No.1Choosing Skin Longevity: The Pledge KAIAN Makes This JulyNEW2026.07.21 No.0The Lens of Evidence Concentration — The Line Between "Contains" and "Works"2026.07.14

Upcoming

23

No.2Midsummer UV Final Defense — Preparing for Four Layers: UVA, UVB, Visible Light & Near-InfraredUpcoming2026.07.28 No.3The Science of Summer Acne—Sweat, Sebum, Clogged Pores, and the Ecology of C. acnesUpcoming2026.08.04 No.4The Invisible Dryness Under Air Conditioning — The Science of TEWL and Barrier FunctionUpcoming2026.08.11 No.5The 3-Day Obon Reset ── A Concentrated Rest Protocol for Sun-Tired SkinUpcoming2026.08.18 No.6Grading the Buzzwords of Brightening SkincareUpcoming2026.08.25 No.7The Season-Change Switch: How the Autonomic Nervous System and the Skin Barrier Move TogetherUpcoming2026.09.01 No.8The 4-Week Summer Damage Recovery BlueprintUpcoming2026.09.08 No.9Re-examining the "28-Day Turnover" Myth Through ScienceUpcoming2026.09.15 No.10Ceramide, the Protagonist — The Science of the Lipid That Binds the SkinUpcoming2026.09.22 No.11Is PDRN (Salmon DNA) the Real Deal? Grading Regenerative Buzz Ingredients with ScienceUpcoming2026.09.29 No.12Designing Moisture in Layers — Humectant, Occlusive, EmollientUpcoming2026.10.06 No.13The First Three Signs of Aging — Preventive Skincare from Your 30sUpcoming2026.10.13 No.14The Three Dermal Pillars — Collagen, Elastin and Hyaluronic AcidUpcoming2026.10.20 No.15Retinol vs Bakuchiol: Is the "Natural Retinol" Claim Real?Upcoming2026.10.27 No.16A Century of Beauty ResearchUpcoming2026.11.03 No.17The Science of Skin and Gut — Decoding the Skin-Gut AxisUpcoming2026.11.10 No.18Body Care Blind Spots: Why Age Shows on the Neck, Décolletage, and ElbowsUpcoming2026.11.17 No.19Trend Check: The Real Power of Exosome CosmeticsUpcoming2026.11.24 No.20Lipid Balance in Deep Winter: Designing Skin's Oils from Inside and OutUpcoming2026.12.01 No.21The 24-Hour Pre-Party ProtocolUpcoming2026.12.08 No.22Gifting "Functional Longevity" This Christmas — Choosing Skincare as a Scientific GiftUpcoming2026.12.15 No.23[Trend Check] The 2026 Buzz-Ingredient ReckoningUpcoming2026.12.22 No.24A 2027 Manifesto: The Next Step for Skin LongevityUpcoming2026.12.29