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Ingredient library · Hydration & Barrier

Ceramides — reading the “NP” and the company it keeps

Ceramides — skin-identical lipids that make up roughly half the skin barrier’s mortar — appear in 1,848 of 7,878 cataloged Korean products (23.5%), almost always as ceramide NP (1,822 products).

Last reviewed 28 August 2026.

Quick answer

Ceramides — skin-identical lipids that make up roughly half the skin barrier’s mortar — appear in 1,848 of 7,878 cataloged Korean products (23.5%), almost always as ceramide NP (1,822 products). A label detail worth knowing: 617 of those products also carry cholesterol, another native barrier lipid — and formulas that pair ceramides with cholesterol (and often squalane or fatty acids) are imitating the skin’s own lipid recipe rather than just name-dropping one ingredient.

What it is

A family of lipids your stratum corneum is literally built from. “NP” is nomenclature for the specific, most-common cosmetic version. Cosmetic ceramides are lab-synthesized copies of what skin makes.

What it’s used for

Barrier-support formulation: creams and serums intended for dry, tight, or easily-irritated skin. It’s the anchor ingredient of Korea’s derma-adjacent category — the pharmacy-crossover brands built entire lines on it.

In the Korean market

23.5% of the catalog: creams (296), essences/serums (279), sheet masks (193). Top partners: niacinamide (894), hyaluronic acid (672), and — most meaningfully — cholesterol (623). Most-committed brands: Physiogel (39), Mediheal (38), Abib (35); AESTURA and Illiyoon, the two barrier-cream names Koreans buy in multipacks, both build on the ceramide-cholesterol pattern.

Who tends to like it / who should be careful

Dry, mature, and barrier-stressed skin are the natural audience. Very oily skin sometimes finds rich ceramide creams heavy — the lighter essence formats (279 in catalog) exist for exactly that reason.

On the label

세라마이드엔피 (ceramide NP); companions to look for: 콜레스테롤, 스쿠알란, 지방산 계열. A ceramide listed dead-last means a token dose; one in the upper-middle with its lipid partners means the formula is serious.

Worth being precise about
Figures on this page are counts from Kotiful’s own catalog on the review date (7,878 Korean beauty products with a parsed ingredient list, out of 7,959) and describe how often an ingredient is listed — not how much of it a product contains, and not whether it will suit you. Kotiful does not score ingredients as good or bad. This page provides cosmetic information, not medical advice; formulations change, and the label on the product you are holding is the authority.