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Category
Know exactly what's in the bottle and why it matters.
Quick answer
The Ingredients library is the most thorough English-language reference for skincare actives we know how to build. Each entry breaks down what an ingredient is, the mechanism by which it works, the clinical evidence behind it, who should and shouldn't use it, and how to layer it without canceling other actives.
Retinol, retinal, tretinoin, bakuchiol — every option, decoded.
Every form of vitamin C — LAA, SAP, MAP, THD, glucoside.
The all-rounder vitamin B3, properly explained.
Signal, carrier, neuropeptides — and which actually work.
The exfoliant family from gentlest to strongest.
Hyaluronic acid, glycerin, polyglutamic acid, beta-glucan.
Barrier-repair lipids the skin actually uses.
Pre/pro/postbiotics, ferments, and biome-friendly botanicals.
PDRN, exosomes, EGF, snail mucin, propolis, galactomyces.
Mineral, chemical, and what's actually FDA-approved in the US.
Indian chandan delivers santalols with documented anti-inflammatory action. The Ayurvedic tradition, sustainability concerns, and modern alternatives.
Kakadu plum carries 100 times the vitamin C of oranges. The Australian indigenous tradition, current sourcing, and brightening efficacy compared.
Ghassoul clay from the Atlas Mountains is gentler than bentonite and ion-exchange active. The hammam tradition and modern usage protocols.
Kalamansi delivers vitamin C, AHAs, and flavonoids in one fruit. The Filipino brightening tradition and how it pairs with modern actives.
Ubtan combines turmeric, chickpea flour, and milk in a multigenerational bridal ritual. The active compounds and how to adapt for modern skin.
Fermented rice traditions in Korea predate Pitera by centuries through sool brewing byproducts. The active short-chain peptides explained.
Thai snail mucin traditions predate the K-beauty boom by decades. Indigenous sourcing methods, glycoprotein content, and cultural lineage.
Molecular weight, glycerin pairing, and the seven-second tack window. The texture science behind peptide serums, and how to layer past the sticky…
Niacinamide can feel cool on the cheek without any added cooling agent. A short read on why, and exactly what to do…
Vasodilation, eccrine activity, and a small thermoregulation shift. Why retinoid users notice a few weeks of clammy cheeks, and when it usually…
Modern skincare is an ingredient game. Brand names matter less than the molecules inside the bottle, and the brands that succeed are the ones that explain those molecules honestly. The Ingredients library exists because nobody else is doing this work at the depth and clarity it deserves.
Ten subcategories cover the whole field: Retinoids & Bakuchiol (the cell-turnover family), Vitamin C (every form, from L-ascorbic acid to ascorbyl glucoside), Niacinamide, Peptides, Acids (AHA, BHA, PHA), Hydrators (hyaluronic acid, glycerin, polyglutamic acid), Ceramides & Lipids, Microbiome Ingredients (pre/pro/postbiotics, ferments), Korean & Biotech Actives (PDRN, exosomes, snail mucin), and Sunscreen Filters.
Every entry follows the same structure. A 60–90 word quick-answer up top so you can leave with the key facts in 30 seconds. Then the science, in plain English. Then the clinical evidence, with citations and publication dates so you can verify. Pairing rules, side effects, who should avoid, recommended concentrations, and which forms are FDA-approved in the US.
Elelaf is FDA-approved and manufactured in South Korea — the world's most innovative skincare lab ecosystem. We pay close attention to which ingredients are approved where, and which are still under regulatory review (looking at you, exosomes). Our ingredient pages will always tell you the regulatory status, not just the marketing claim.