Evidence-Based Skincare Articles

Skin flooding layers humectants on damp skin to lock in moisture. Here's the science behind the trend and how to do it without wasting product.

How to get rid of blackheads for good: what they really are, why squeezing and pore strips backfire, and the three ingredients with real clinical evidence.

Oily skin after 40 explained: why sebaceous glands stay active, why over-washing backfires, and the evidence-based routine that actually balances oil production.

Spermidine for skin explained: how this longevity molecule supports cellular renewal and autophagy, what the human evidence shows, and how it compares to retinol.

Back acne, or bacne, develops when follicles clog and inflame. Learn the causes, evidence-based treatments, and ways to fade the dark marks left behind.

Closed comedones are clogged pores with no open exit. Learn what causes them and the evidence-based ingredients — from salicylic acid to retinoids — that clear them.

Learn how to support skin collagen with sun protection, retinoids, vitamin C, procedures, sleep, and nutrition—and which popular claims lack good evidence.

Aloe vera for skin genuinely hydrates and soothes, and one study even improved wrinkles. Here's what the evidence supports — and where aloe falls short.

Puffy eyes have three different causes: overnight fluid, age-related fat herniation, and thinning skin. Here's what actually de-puffs each one.

Shea butter for skin is a superb occlusive emollient with real anti-inflammatory data. Here's what it does for mature skin — and the limit it can't cross.