The Hannaru Edit · Category
Decode Korean skincare ingredients — centella asiatica, niacinamide, retinoids, and more. Science-backed analysis for buyers and enthusiasts.
70 articles
Ingredient Guide
Ectoin is the extremophile-derived barrier ingredient taking K-beauty by storm. Learn why Korean brands are formulating with this powerful protectant.
Ingredient Guide
Explore dexpanthenol (pro-vitamin B5) in Korean skincare. Learn how this healing ingredient repairs, hydrates, and soothes skin in K-beauty formulations.
Ingredient Guide
Learn how beta-glucan strengthens and repairs the skin barrier in Korean skincare, with top product picks and routine tips.
Ingredient Guide
PDRN (polydeoxyribonucleotide) is the hottest medicosmetic ingredient in Korean skincare. Learn how it works, which products to stock, and why dermatologists recommend it.
Ingredient Guide
Spicule-based microneedling products use natural marine sponge needles to stimulate collagen at home. Learn how they work and which Korean products lead the category.
Ingredient Guide
Hanbang (한방) uses traditional Korean herbal medicine ingredients in modern skincare. Discover the key ingredients, top brands, and why this trend is growing globally.
Ingredient Guide
Discover how glutathione works as a brightening agent in Korean skincare, with top product picks and tips for incorporating it into your routine.
Ingredient Guide
Why Madagascar centella is the gold standard in K-beauty ampoules. Learn about key active compounds, top products, and benefits for sensitive skin.
Ingredient Guide
Discover EGF (Epidermal Growth Factor) serum benefits in Korean skincare. Learn how growth factor technology drives cell regeneration and anti-aging results.
Ingredient Guide
Hyaluronic acid and glycerin are the two most popular humectants in skincare. Compare their benefits, limitations, and how to use both.
Ingredient Guide
Gluconolactone is the PHA exfoliant dominating sensitive skin skincare in Korea and globally. Here's what it does, why it sells, and which K-beauty brands use it best.
Ingredient Guide
Madagascar centella ampoule — especially SKIN1004's 100% centella formula — is one of Korean skincare's most effective barrier-repair and anti-inflammatory products. Here's the science, who it's for, and how to use it.
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