Ceramides are lipids that fill the space between cells in the stratum corneum, and they’re understood to play a role in how the skin barrier holds onto moisture. On an ingredient list they’re listed as separate, coded types — Ceramide NP, Ceramide NS, and so on. Ceramides are hydrating, barrier-supporting ingredients — they are not medicine for acne or inflammation.
Quick answer
- Ceramides are understood to be a major component of the lipids that sit between cells in the stratum corneum.
- On an ingredient list they appear as separate, coded raw materials — NP, NS, EOP, AP, and similar.
- Cholesterol and fatty acids listed alongside them tell you those lipids are present, but the label can’t tell you the ratio between them.
- A higher number of ceramide types doesn’t automatically mean better barrier support — no human study has directly compared ceramide types or ratios.
- Ceramides are not a medicinal ingredient for any specific condition or for acne.
What are ceramides?
The stratum corneum is often compared to a brick wall, with skin cells as the bricks and the lipids between them as the mortar — and ceramides make up roughly half of that “mortar” by weight.
As skin ages or the skin barrier weakens, the lipid content between cells is reported to decrease, which is why ceramides are added to moisturizers. Cosmetic-grade ceramides are mostly made synthetically.
How do ceramides appear on an ingredient list?
| INCI name | What it is |
|---|---|
| Ceramide NP | One of the more common ceramide forms found in skin |
| Ceramide NS | A barrier lipid component |
| Ceramide EOP | A long-chain form |
| Ceramide AP | A barrier lipid component |
Different codes mean structurally different raw materials. Products that combine several types are often described as containing “N types of ceramides.” Even when cholesterol or fatty acids are listed too, the label can’t show the ratio between them or how the finished formula performs. A 2015 safety review of 23 ceramide ingredients found a maximum use concentration of about 0.2% in leave-on skincare — an industry survey figure, not the amount in any particular product.
When are ceramides worth considering?
People often add a ceramide-containing product to their hydrating step during periods of noticeable post-cleanse tightness, or during seasonal transitions when skin tends to feel especially reactive. In a 2018 study of 39 women with sensitive skin, a ceramide complex cream used for 4 weeks reduced lactic-acid stinging and water loss more than a placebo cream. That was a multi-ingredient cream, so the result can’t be credited to ceramides alone.
That said, there’s generally no evidence that ceramides clear breakouts or calm inflammation on their own, and when symptoms are severe, seeing a dermatologist should come before choosing skincare ingredients.
How does SKIN9HARI formulate with them?
| Product | Ceramide-related formulation |
|---|---|
| N.F Cream | Ceramide NP, NS, EOP, AP (4 types) + Cholesterol; fragrance-free; contains dimethicone; irritation patch-tested; 50 mL (1.69 fl oz) |
| A.C Cleanser | Ceramide NP, NS, EOP, AP (4 types) + Cholesterol; rinse-off; contains fragrance |
Both products have been confirmed against the manufacturer’s original full ingredient list to contain exactly these four ceramide types. The N.F Cream carries them in a leave-on hydrating step, while the A.C Cleanser carries the same four in a rinse-off step. Concentrations aren’t disclosed on the ingredient list, so we don’t state a number.
In one sentence
Ceramides are a lipid family that goes by several different names; check which codes and companion lipids like cholesterol are listed, but choose by texture and how your skin responds rather than by the number of types.
FAQ
Does more ceramide always mean better results?
Not necessarily. Ingredients under 1% can be listed in any order, so you can’t calculate the amount, and leave-on skincare typically uses ceramides at up to about 0.2%. No human study has compared different ceramide ratios head to head.
Do oily skin types need ceramides too?
Even oily skin can have a weakened barrier, so ceramides can still be a reasonable option. Having more oil on the surface and having a strong barrier are two different things.
Can ceramides be used every day?
As a hydrating, barrier-supporting ingredient, there’s generally no specific restriction on daily morning-and-night use. Adjust based on how your own skin responds.
Do ceramides clog pores?
You can’t judge a whole product’s pore-clogging potential from one ingredient. If small bumps keep appearing after a particular cream, stop that product and look at its overall oil content and other ingredients.
Can I use a ceramide cream and a panthenol cream together?
Yes — the two are often formulated together. Start with one product rather than layering two creams, and apply the lighter texture first.
Do ceramide barrier creams actually help?
In a 2018 study of 39 women with sensitive skin, a ceramide complex cream used for 4 weeks reduced lactic-acid stinging and water loss more than a placebo cream. It was a multi-ingredient cream, so the result can’t be credited to ceramides alone.
Will a ceramide cream help if I’m breaking out a lot?
There’s no evidence that ceramides make breakouts or inflammation go away. They’re a hydrating ingredient people add when skin feels tight after cleansing or more reactive than usual. If symptoms are severe, consider seeing a dermatologist before choosing skincare ingredients.
What’s the difference between the types of ceramides?
On an ingredient list they appear as separate codes such as Ceramide NP, NS, EOP, and AP. No human study has directly compared ceramide types, so the number of types is a point of comparison, not a performance ranking.
Should I apply hyaluronic acid or ceramides first?
The common recommendation is to apply a more water-based, hydrating texture first, followed by an oil-forward texture that helps seal that hydration in.
Related guides
- Hyaluronic acid: types, molecular weight, and how to choose
- Dexpanthenol in skincare vs. ointment: how it differs from panthenol
- If your skin is dry but keeps breaking out — a checklist for cleansing and hydration
Written and reviewed by
- Written by: SKIN9HARI Content Team
- First published: September 4, 2026
- Last updated: September 28, 2026
- Content standards: Content production standards
Sources
- Ceramides and skin function. American Journal of Clinical Dermatology, 2003.
- The chemistry, function and (patho)physiology of stratum corneum barrier ceramides.
- Cosmetic Ingredient Review. Safety Assessment of Ceramides as Used in Cosmetics. Final Report, 2015.
- Nojiri H, et al. Amelioration of lactic acid sensations in sensitive skin by stimulating the barrier function and improving the ceramide profile. Arch Dermatol Res, 2018.
- SKIN9HARI N.F Cream and A.C Cleanser full ingredient lists (as published by the manufacturer).
This guide is general skincare information, not medical advice. SKIN9HARI products are cosmetics and are not intended to diagnose, treat, cure, or prevent any disease. If a skin problem is painful, spreading, or persistent, see a dermatologist.