Only 20% of Sunscreens Pass EWG's 2026 Safety Audit
The Environmental Working Group's 20th annual sunscreen guide flagged 550 of 2,784 products as both safe and effective, with mineral filters dominating the recommended list and bemotrizinol named the first meaningful chemistry shift in two decades.
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Scientific Perspectives
Rigorous analysis of active compounds and their molecular impact on the skin barrier.
How to Fix a Damaged Skin Barrier Fast: A 14-Day Clinical Recovery Protocol
A dermatologist-backed protocol for repairing a compromised skin barrier — what to remove first, the minimum effective repair stack, and a day-by-day timeline grounded in transepidermal water loss and barrier lipid replenishment science.
Iron Oxide Sunscreen for Melasma: What Visible Light Protection Actually Requires
Conventional sunscreens stop UV but pass through visible light, which drives melasma relapse in randomized trials. Iron oxide is the only OTC pigment with clinical evidence of visible-light attenuation. Here is the photochemistry, the trial data, and a product framework matched to skin tone.
Tapinarof for Atopic Dermatitis: The AhR Mechanism and What the Trial Data Shows
Tapinarof 1% cream (VTAMA) is the first topical aryl hydrocarbon receptor agonist approved for adult and pediatric atopic dermatitis. The ADORING phase 3 trials, the remittive-effect signal, and an evidence-based comparison with topical steroids and JAK inhibitors.
Briefings
Short-form updates on clinical research, emerging ingredients, and skincare trends.
Bemotrizinol Sunscreen: The First New US UV Filter in 25 Years
ScienceIn December 2025 the FDA proposed adding bemotrizinol — a broad-spectrum triazine UV filter Europeans have used for two decades — to the US sunscreen monograph. This is the chemistry, the photostability case, the comparison to current US filters, and an honest verdict on what will change for American sunscreen formulation when the final order lands.
Regeneron LAG-3 Melanoma Trial Misses Primary Endpoint
ScienceRegeneron's Phase 3 trial of fianlimab plus cemiplimab missed statistical significance against pembrolizumab in advanced melanoma, despite a 5.1-month numeric PFS gain. The data reframe where LAG-3 immunotherapy is heading.
PDRN Skincare: What the Topical Evidence Actually Shows in 2026
TrendsPolydeoxyribonucleotide — the fragmented salmon DNA chain behind injectable Plinest — has become the dominant 2026 regenerative-skincare claim. This piece audits the evidence by delivery route, separates injectable trial data from topical serum claims, and delivers a dermatologist-defensible verdict on whether the $80-$200 PDRN serum on the shelf earns its price.
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How to Layer Sunscreen and Moisturizer: The SPF-Efficacy Evidence
Sunscreen goes last in the AM routine, 60 to 90 seconds after moisturizer, and never mixed into another product. The page-1 SERP gets the order right but skips the photoprotection evidence that explains why: SPF efficacy depends on a uniform 2 mg/cm² film, and the wrong order can drop effective protection by 20 to 40%. This guide grounds each rule in the film-formation literature and gives a wait-time protocol the influencer SERP does not.
Intracellular Glycation and Skin Aging: What the New Fructose Research Means
A 2026 Estée Lauder study published in the International Journal of Molecular Sciences shows that glycation does not only stiffen collagen outside the cell — it also unfolds inside dermal fibroblasts, driving inflammation and senescence. Here is the mechanism and an honest audit of which topical anti-glycation actives have evidence behind them.
Morning Shed Skincare Trend: The Occlusion Physiology Behind the Viral Routine
The morning shed is a TikTok-born ritual of stacking heavy occlusives, mouth tape, jaw straps, and hydrocolloid patches overnight, then peeling the entire apparatus off at sunrise. The viral framing collapses several mechanisms into a single "glow." This decode separates the components with strong occlusion-physiology evidence from the ones that are aesthetic theater, and flags the comedogenicity risk the influencer SERP refuses to lead with.
Oleosome Growth Factor vs Retinol: Decoding the 2026 Clinical Trial
Core Biogenesis launched oleosome-fused EGF and FGF-2 actives in early 2026 with a head-to-head trial against 0.3% retinol that showed superior wrinkle reduction. This trend-decoder walks through the trial design, places the launch within the retinol-alternative lineage from bakuchiol through exosomes, and delivers a calibrated verdict on what the evidence supports.
Estée Lauder Splits K-Beauty: Dr.Jart+ Now Sold Separately
Estée Lauder is splitting the sale of Too Faced, Smashbox and Dr.Jart+, marketing the Korean clinical skincare brand to a separate buyer pool six years after a $1.7 billion acquisition.
How to Treat a Sunburn: The Dermatologist Timeline (Hour 0 to Day 14)
Sunburn is an inflammatory cascade, and the intervention that actually works depends on which hour you are in. This is the strict hour-by-hour protocol dermatologists use, from the first NSAID window through the day 7 PIH-prevention phase.