Quick answer: Niacinamide and ceramides call for different checks on a label. With niacinamide, also look at whether that product has gone through functional cosmetic review or reporting; with ceramides, look at how many types are on the full ingredient list and under what names. An ingredient name being listed is not the same as what that product is allowed to say on its label. If redness or stinging continues after you switch products, consider seeing a dermatologist.
If you’ve seen the two names side by side on the full ingredient list of a moisturizer or toner, you don’t need to start by deciding which one is better. This guide sorts the difference between niacinamide and ceramides not by ranking what they do, but by what can and can’t be confirmed on a label. It doesn’t diagnose anyone’s skin or stand in for a medical judgment. This is a brand guide run by SKIN9HARI.
| Item | What’s documented |
|---|---|
| Order of the full ingredient list | Ingredients are listed from the largest amount down, and ingredients used at 1 percent or less, fragrances, and colorants can be listed in any order |
| Niacinamide | An ingredient named on Korea’s officially notified list of functional ingredients. Functional labeling is used only by products that have gone through review or reporting as finished products |
| Ceramides | Within what we checked, they did not appear on the notified list of functional ingredients. The full ingredient list shows only the label name for each type |
| Revive Therapy N.F Toner | 150 mL (5.07 fl oz) / $29.40 · 38 ingredients on the full list · niacinamide 2.0% |
| Revive Therapy N.F Cream | 50 mL (1.69 fl oz) / $28.00 · 61 ingredients on the full list · 4 ceramides (NP, NS, EOP, AP) · niacinamide listed 6th (amount not disclosed) |
Where do niacinamide and ceramides actually differ?
Ceramides are classed as sphingolipids that make up the intercellular lipids of the stratum corneum, the outermost layer of the skin. Ceramides in the stratum corneum are described as being related to the skin barrier function that keeps water from evaporating. That description is about the place the ingredient holds in the skin; it is not a result confirming what a particular product does. Ceramides are also given as an example of an ingredient to look for when choosing a moisturizer for dry skin.
Look for waxy lipid molecules that help the skin hold on to moisture, such as ceramides.
Niacinamide sits in a different place. In Korea’s functional cosmetics system, it is handled as an officially notified ingredient. Eligibility for functional labeling and advertising, however, is set for each finished product, not for the ingredient, and only products that have gone through review or reporting use that labeling. The fact that a name is on the full ingredient list is not the same as what that product is allowed to say on its label. Research on the ingredient itself is a separate matter. In a 2020 placebo-controlled study of 48 adult women, corneocyte envelopes were observed to become more rigid after a 3% niacinamide cream was applied to the face for 4 weeks. That is an ingredient study confirmed at a specific concentration and in a specific formula, and it is separate from which products can use functional labeling.
There is also a study that compared the two ingredients under the same conditions. In a 2024 five-day patch test of 18 Chinese adults, a 5% ceramide and cholesterol combination reduced retinol-induced redness more than the vehicle did, but 3% niacinamide did not. Those results come from an occlusive patch setup in which retinol irritation was deliberately produced, so we don’t carry them over to everyday use as they are.
| What to check | Ceramides | Niacinamide |
|---|---|---|
| How this guide classed it | A lipid ingredient that makes up the intercellular lipids of the stratum corneum | An officially notified ingredient in Korea’s functional cosmetics system |
| Name on the full ingredient list | The names split by the type added at the end, such as Ceramide NP, Ceramide NS, Ceramide EOP, and Ceramide AP | Listed under the single name Niacinamide |
| On the notified list of functional ingredients? | Not on the list, within what we checked | Named on the list |
| Amount (%) on the label | Only the name appears on the full ingredient list | Only the name appears on the full ingredient list, and you can see a number only when the manufacturer discloses it separately |
| What to check first for this ingredient | How many types are listed, and whether that matches the number on the front of the product | Whether that product has gone through functional cosmetic review or reporting |
| What still can’t be confirmed | The amount of each type and the ratio between them | The actual amount in products that don’t disclose it |
For more, see Ceramides: What They Do, Their Types, and How to Read the Label.
What should you check on the label, and in what order?
Cosmetic packaging in Korea is required to list the ingredients used to make the product, so the full ingredient list itself is there to see on any product. Split what the list can and can’t confirm in the order below.
1. For ceramides, count how many types are listed
Find and count every name on the full ingredient list that starts with “Ceramide.” The quickest check is whether the number of types stated on the front of the product equals the number you count on the full ingredient list. A bigger number doesn’t mean a better product; you’re checking whether the wording and the listing match.
2. For niacinamide, see whether functional labeling comes with it
Don’t read a product as a functional cosmetic from the ingredient name alone. Check separately whether the container or box carries functional cosmetic labeling and whether the product page states that it was reviewed or reported. If there is no such labeling, that product doesn’t use wording in that scope.
3. Ask the seller directly about anything you can’t confirm
An ingredient whose amount isn’t disclosed can’t be worked out from the label alone. Asking exactly what you want to confirm, such as “Is the amount of this ingredient disclosed?” or “Has this product gone through functional cosmetic review or reporting?”, gets you a clear answer.
An illustration of counting the number of names yourself.
For more, see Dexpanthenol in Skincare vs. Ointment: How Is It Different From Panthenol, and How Do You Use It Daily?.
When should you consider seeing a dermatologist?
- An area oozes or crusts over.
- It is swollen and hurts when pressed.
- Redness and stinging stay the same or get worse even after you stop using the product.
- Itching keeps you from sleeping.
- Marks are starting to stay in the same spot.
The signs you can watch at home and the signs that call for a visit are different.
Can you guess the amount from the order of the ingredient list?
The order tells you only the rough share of each ingredient in the formula. The rule is that the full ingredient list runs from the largest amount down, but ingredients used at 1 percent or less, fragrances, and colorants can be listed in any order. So we don’t conclude that an ingredient is present in a small amount just because it is near the end, and we don’t work backward to a percentage because it is near the front.
Ingredients are listed and labeled starting with those used in the largest amount in making the cosmetic. However, ingredients used at 1 percent or less, fragrances, and colorants may be listed and labeled in any order.
For more, see PDRN Ampoule vs. Serum: How to Compare Labeling, Ingredients, and Routine Order.
How to choose SKIN9HARI products for this concern
If you want to compare full ingredient lists yourself, it’s quicker to have one example you can check with your own eyes. The two criteria that separate niacinamide and ceramides on a label are the ones set out above: whether there is functional labeling, and the number of types. The two products below are examples for checking each of those, and the numbers are labeling facts confirmed on the manufacturer’s ingredient records and the product pages as of September 11, 2026. The niacinamide amount in the Revive Therapy N.F Cream is not disclosed, so this guide does not estimate it. Both products are general cosmetics that have not been reported as functional cosmetics, so they do not use functional cosmetic labeling. If what you need right now is a judgment about the state of your skin rather than a label comparison, consider seeing a dermatologist before choosing more products. Results may not be the same for every skin type.
| Product | What’s documented | When to choose it for this concern |
|---|---|---|
| Revive Therapy N.F Cream | 50 mL (1.69 fl oz) / $28.00 · 61 ingredients on the full list · 4 types listed (Ceramide NP, NS, EOP, AP) · niacinamide listed 6th (amount not disclosed) · no added fragrance | When you want to count for yourself whether the “4 ceramides” on the front matches the full ingredient list |
| Revive Therapy N.F Toner | 150 mL (5.07 fl oz) / $29.40 · 38 ingredients on the full list · niacinamide 2.0% | When you want to have one example on hand of a label with a disclosed amount (%) |
Related guides
- Hyaluronic Acid: Types, Molecular Weight, and How to Choose
- Centella Asiatica: Types of Ingredients and How to Read the Label
- What Does Non-Comedogenic Mean, and Is It the Same as Irritation-Tested or Oil-Free?
FAQ
Does niacinamide in a product make it a functional cosmetic?
No. An ingredient being on the notified ingredient list and a product being able to label and advertise itself as a functional cosmetic are separate things. Functional labeling is used only by products that have gone through review or reporting as finished products.
Can sensitive skin with a weakened barrier use niacinamide?
You can, but if your skin is stinging, it’s better not to start something new. In a patch test of retinol irritation in 18 people, the side that reduced redness was the ceramide and cholesterol combination, and 3% niacinamide made no difference.
Does being near the top of the ingredient list mean there’s a lot of it?
The rule is that the nearer the top, the larger the share in the formula, but you can’t calculate from it. Ingredients used at 1 percent or less, fragrances, and colorants are exceptions to the order, so you can’t work backward to an amount from position alone.
Is a higher niacinamide percentage better?
There is no basis for saying higher is better. Amounts can be compared only among products whose manufacturers disclose them, and if a high amount felt stingy, try a lower one with a disclosed amount on a small area first.
Where can you find the niacinamide percentage when it isn’t on the product?
The full ingredient list shows only names, so you can see the amount only when the manufacturer discloses it separately. If it isn’t disclosed, ask the seller directly, for example, “Is the amount of this ingredient disclosed?”
If every product you use has niacinamide, should you add the percentages together?
Adding them up is hard to do. The full ingredient list shows only names, and you can’t work backward to an amount from position, so if products that don’t disclose amounts are in the mix, the total can’t be confirmed. If stinging continues, stop using them and see whether it eases.
Why does niacinamide make your skin itch?
Some people feel stinging, itching, or redness right after applying it. If the reaction continues, stop using it and see whether it eases. If oozing, swelling, or pain develops, or redness and stinging stay the same after you stop, consider seeing a dermatologist.
In one sentence
The difference between niacinamide and ceramides is a difference in what to check, not a ranking of what they do, so for niacinamide check whether that product has gone through functional review or reporting, and for ceramides check the number of types on the full ingredient list.
Sources
- Kono T, Miyachi Y, Kawashima M. Qualitative literature review of ceramide-containing formulations. Journal of Dermatology. 2021;48(12).
- American Academy of Dermatology. How to pick the right moisturizer for your skin. Checked September 11, 2026.
- Ministry of Government Legislation (Korea), Easy-to-Find Legal Information. Functional cosmetics — Cosmetics Act Article 2 and Enforcement Rule Article 10. In Korean. Checked September 11, 2026.
- Korea Cosmetic Association. Cosmetics laws and regulations — Enforcement Rule, Appended Table 4, labeling standards. In Korean. Checked September 11, 2026.
- Ministry of Government Legislation (Korea), Easy-to-Find Legal Information. Required labeling items for cosmetics. In Korean. Checked September 11, 2026.
- Voegeli R, Guneri D, Cherel M, Summers B, Lane ME, Rawlings AV. Changes in corneocyte envelope maturation after 4 weeks of applying a niacinamide cream (placebo-controlled). International Journal of Cosmetic Science. 2020;42(11).
- Fang Y, et al. Mitigation of retinol-induced skin irritation by physiologic lipids: Evidence from patch testing. J Cosmet Dermatol, 2024.
- Kwon MS, Choi TB, Kim KY. A study on ceramides and skin barrier function. Asian Journal of Beauty and Cosmetology. 2005. In Korean.
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.