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What is Ceramide?

Skin lipid

Ceramides are a class of lipid molecules that also occur in the outer layer of skin. Ingredient lists name them by isomer, so one label often carries several at once while the ad copy calls all of them simply ceramide. They dissolve in oil rather than water, so a formula built on them needs an oil phase or a carrier to hold them.

Ingredient lists write this family more than one way, and this page counts them together: Ceramide NP, Ceramide NS, Ceramide AP, Ceramide AS and Ceramide EOP.

What can you expect from it?

  • With the full mix of skin lipids, skin loses less water.

    4 weeks of use

  • A ceramide look-alike makes dry, sensitive skin more moist.

    4 weeks of use

  • The right lipid ratio helps the barrier recover faster.

What won't it do?

Claims you often see, and what is actually true.

  • Ceramide alone won't help the barrier recover.

    Ceramide alone repairs the skin barrier

  • More ceramide isn't better.

    More ceramide is better

  • Feeling less dry doesn't mean the barrier is repaired.

    A moisturizer that relieves dryness is therefore repairing the barrier

  • It won't restore youthful ceramide levels.

    Topical ceramides replace what the skin has lost, restoring youthful ceramide levels

Anything to watch out for?

  • Ceramides are already part of skin, and a safety panel found them safe as used.
  • No allergy signal turned up, and when a ceramide product irritates, the cause is usually the rest of the formula.

What does it pair well with?

  • Cholesterol

    Ceramides worked as a set with cholesterol and fatty acids. Equal amounts of the three gave normal recovery, raising any one up to three times the others sped it up, and in older skin a cholesterol heavy mix worked.

    Better together

How much, and for how long?

No minimum percentage of ceramide that works has been set. The mixes tested used 2% skin lipids in total.

Use it for 4 weeks and the difference shows.

Which products feature it?

420 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.

Showing 1 to 12.

  • It's made for better hydration and better barrier support.

    Key: Ceramide (#3 on the ingredient list), Squalane, Glycine Soja (Soybean) Sterols

    9 claims, summarized
    Only partly backed:
    better hydration · better barrier support
    See each claim

    claims, checked

    • Italy vegan certification completed #VeganBarrierCreamplausible, not tested
    • Serabam's unique butter texture, dewy outside and moist inside finishplausible, not tested
    • Unprecedented ceramide 6% bomb creampartly backed
    • Contains long-chain ceramide 6% - seamless moisture & strong barrier carepartly backed
    • Strongly recommended for extremely dry sensitive skinpartly backed
    • Curated Item | With Serabam Cream 50ml, present healthy beauty to sensitive skin. With vegan-certified Serabam Barrier Cream, it provides seamless moisture of long-chain ceramide 6% and strong barrier care.partly backed
    • Wadiz cumulative funding 800 million #BarrierCreamno supporting source found
    • Actual skin pH improvement, not the formulationno supporting source found
    • Serabam Cream, Sensitive skin, Ceramide 6%, Derma cosmetic, Skin barrier cream, High-functionality cream, Moisture cream, Vegan cream, Vegan barrier cream, Vegan certification, V-label, Italy V-label, V-label vegan certificationnothing specific to check
  • VANCOR

    반코르 닥터 세라마이드 토너 EGF 1100ppm (Korean)This brand publishes no English name for this product. The name above is as printed in Korean.

    It's made for better hydration.

    Key: Ceramide (#4 on the ingredient list), Sh-Oligopeptide-1, Sh-Polypeptide-22

    1 claim, summarized
    Only partly backed:
    better hydration
    See each claim

    claims, checked

    • Provides moisture and nutrition to sensitized skinpartly backed
  • sidmool

    장벽 앰플 마스크 시트 (Korean)This brand publishes no English name for this product. The name above is as printed in Korean.

    It's made for better hydration and better barrier support.

    Key: Ceramide (#6 on the ingredient list), Panthenol, Polyglutamic Acid

    8 claims, summarized
    Only partly backed:
    better hydration · better barrier support · firmer skin (amount unknown)
    See each claim

    claims, checked

    • Panthenol (10,000ppm)backed by evidence
    • Formulated to be preserved with 1,2-Hexanediol.backed by evidence
    • Because synthetic fragrances are not used, the scent is the raw materials' own.backed by evidence
    • For skin moisturization and firm barrier care, D-Panthenol (Dexpanthenol) 10,000ppm (=1%) appliedpartly backed
    • D-Panthenol 10,000ppm + Ceramide + Polyglutamic Acid + Sodium PCA + Camellia Seed Oil + Allantoin = Real Barrier Carepartly backed
    • To help with elasticity and wrinkle improvement, we applied Adenosine.partly backed
    • No synthetic surfactants, tar colors, so more comfortable care possible / Made without synthetic ingredients that customers do not want.partly backed
    • Pregnant women, nursing mothers can use it comfortably.no supporting source found
  • Key: Ceramide (#7 on the ingredient list), Calamine, Titanium Dioxide

    1 claim checked

    claims, checked

    • 345nothing specific to check
  • It's made for calmer skin and better hydration.

    Key: Ceramide (#7 on the ingredient list), Centella Asiatica Extract 79.9%, Madecassoside

    21 claims, summarized
    Only partly backed:
    calmer skin · better hydration · better barrier support
    Don't count on:
    a smoother skin texture
    See each claim

    claims, checked

    • For functional cosmetics, there is no requirement for review by the Korea Food and Drug Administration under the Cosmetics Act.backed by evidence
    • An oil-moisture emulsion that gently cares for skin that has become sensitive due to a disrupted skin balance!plausible, not tested
    • If skin easily becomes dry, apply the emulsion twice to create moist, lively skin.plausible, not tested
    • 79.9% Centella Asiatica extract instead of purified waterpartly backed
    • Contains 79.9% Centella Asiatica extract instead of purified water, helping to comfortably soothe skin sensitized by external environments and to create clean, smooth skin.partly backed
    • For proper oil retention, apply the emulsion once to create non-greasy, fresh skin.partly backed
    • Contains 8 types of hyaluronic acid to offer richer moisturizing and hydration simultaneously, creating clear, lively skin.partly backed
    • The sample of this product was determined to be a low-irritation sample in terms of primary irritation.partly backed
    • As a pure white clean lotion type, it is lightly absorbed into the skin without stickiness, gently cares for skin sensitized by stress, and provides a moist moisture barrier.partly backed
    • Keep the balance of oil and moisture! It smooths rough skin texture caused by dryness and gently cares for oiliness and sensitivity caused by excess oil.overstated
    • If severe dryness and dead skin cells cause the skin to lift white, apply the emulsion three times to soothe sensitive skin and provide sufficient moisture.overstated
    • [ Origin of Centella Asiatica extract: Hapcheon, Gyeongsangnam-do ]no supporting source found
    • Adjust the 'number of uses' according to skin condition to maintain the oil-moisture balance.no supporting source found
    • If skin remains dry even after multiple applications, mix toner and emulsion and use like an ampoule.no supporting source found
    • Soothing patented ingredients soothe and care for skin sensitized by stress, Patent No.: 10-1332214no supporting source found
    • It is a dermocosmetic containing only effective ingredients with an EWG green prescription that can be used with confidence.contradicted by sources
    • Cleaner, boost efficacynothing specific to check
    • The start of healthy skin changes, oil-moisture balance emulsionnothing specific to check
    • The above description is limited to the characteristics of the raw material.nothing specific to check
    • After using toner, take an appropriate amount and gently spread along the skin texture to absorb.nothing specific to check
    • No next-step worries! Join the Cica line.nothing specific to check
  • Key: Ceramide (#7 on the ingredient list), Milk Protein Extract, Panthenol

    4 claims checked

    claims, checked

    • With milk protein + ceramide + panthenol + 3-layer hyaluronic acid, it stays moist and clean even after cleansing!partly backed
    • Easy pull-out type non-oily cleansing tissue!partly backed
    • Anytime, anywhere, conveniently with one tissue, all clear~overstated
    • Gentle but powerful! Adding convenience to the purity of milk!nothing specific to check
  • It's registered in Korea as a functional cosmetic for brightening.

    Key: Ceramide (#7 on the ingredient list), Jojoba Seed Oil 98.4%, Alpha-Bisabolol

    11 claims, summarized
    You can expect:
    a brighter skin tone · less visible dark spots
    Only partly backed:
    better barrier support · calmer skin
    Don't count on:
    less shine
    See each claim

    claims, checked

    • Whitening functional ingredient alpha-bisabolol, which acts gently even on sensitive skin, is applied to suppress melanin production and add a clear skin tone.backed by evidence
    • Jojoba oil is light and quickly absorbed.plausible, not tested
    • Gyeol House Skin Barrier Jojoba Oil is designed with jojoba similar to skin lipids, along with ceramide and filaggrin active ingredients, to quickly repair damaged barrier.partly backed
    • Skin barrier 124.16% improvementpartly backed
    • Skin irritation 278.74% soothingpartly backed
    • 0.00% skin irritation indexpartly backed
    • Jojoba oil resembles human lipid structure, so skin accepts it as its own ingredient, allowing a fresh finish without residue.overstated
    • Jojoba oil does not cover moisture but fills the barrier with a structure similar to skin lipids, creating an environment where moisture cannot easily escape.overstated
    • Reset weakened skin barrier with powerful No.1 jojoba oilno supporting source found
    • Proven No.1* jojoba oilno supporting source found
    • Jojoba oil makes skin recognize it has enough oil, reducing excessive sebum secretion and controlling oil-moisture balance without greasiness.no supporting source found
  • It's made for better barrier support.

    Key: Ceramide (#7 on the ingredient list), Adansonia Digitata Seed Oil, Tocopherol

    3 claims, summarized
    Only partly backed:
    better barrier support
    Don't count on:
    calmer skin · firmer skin
    See each claim

    claims, checked

    • Supports barrier repair and long-lasting protection with five essential ceramides for smoother, stronger skinpartly backed
    • Delivers calming, emollient care to enhance skin softness and elasticityoverstated
    • Offers antioxidant support to improve barrier health and protect against external stressorsoverstated
  • Key: Ceramide (#7 on the ingredient list), Centella Asiatica Extract, Panthenol

    7 claims checked

    claims, checked

    • Take an appropriate amount, spread it according to the skin's texture, then lightly pat for absorption.backed by evidence
    • Cica Aloe Soothing Gel 300gbacked by evidence
    • Skin soothing ∙ moisture careplausible, not tested
    • The Cica-Aloe application, containing coolness, calms and cares for the face and body struggling from heat-induced irritation, just like cool water touching, leaving them fresh and moist.partly backed
    • For all skin types, dry/sensitive recommendedpartly backed
    • Aloe vera leaf juice (97%)partly backed
    • Centella asiatica extract (6mg)partly backed

Are the claims about it backed up?

We checked each claim that features this ingredient. Open the list below to see the result for each one.

See the results by claim
ResultClaims
backed by evidence17 of 167
plausible, not tested21 of 167
partly backed84 of 167
overstated21 of 167
no supporting source found21 of 167
contradicted by sources1 of 167
nothing specific to check2 of 167

These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.

Which articles cover it?

Posts on this site that take this ingredient as their subject.

Sources

We summarized the published studies and public records listed below, each with its DOI or PubMed number. Findings about treating medical conditions are outside what a cosmetics page covers, so we left them out.

What can you expect from it?

  • With the full mix of skin lipids, skin loses less water.

    The cream that carried the full set of skin lipids lowered the amount of water escaping through skin after the surface was stripped, while the cream with the same moisturizer but no skin lipids did not move that reading at all.

    A 58 person comparison, average age 46, with each person wearing both creams so the two were read on the same skin over 4 weeks.

    In a double blind intraparticipant controlled trial (n = 58, mean age 46), a multivesicular emulsion with physiological lipids and glycerine improved barrier integrity after tape stripping (TEWL20 38.02 to 29.79 g/m2/h, p < 0.001), while an oil in water emulsion with glycerine but no physiological lipids had no effect (35.6 to 37.4).

    Sources: 4

  • A ceramide look-alike makes dry, sensitive skin more moist.

    A lab made stand in for ceramide raised the water in the outermost layer of skin and lowered the amount escaping through it over 4 weeks, and the more of it people applied, the larger that drop was.

    A 4 week comparison in people who called their own skin dry and sensitive, 33 using the product and 19 a control spray.

    In a randomized trial in people with self perceived dry, sensitive skin and TEWL above 10 g/m2/h (test n = 33, control n = 19, 4 weeks), the pseudo-ceramide group improved on stratum corneum water content, TEWL, corneocyte area and scaling score, while the control spray produced no change in stratum corneum function.

    Sources: 5

  • The right lipid ratio helps the barrier recover faster.

    The proportions matter, not the amount: raising any one of the three skin lipids up to three times the others brought the barrier back faster than normal, and in aged human skin the mixture weighted toward cholesterol was the one that worked.

    Small experiments timing how fast the barrier returns after the surface is stripped. The ratio work was run in animal skin with validation in human skin stated by the authors, and the aged human skin part had a sample of 6.

    Increasing any one of the three lipids up to threefold above equimolar accelerates barrier repair beyond normal.

    Sources: 2

What won't it do?

  • Ceramide alone won't help the barrier recover.

    It does the opposite. Putting on only one or two of the three skin lipids made the barrier come back slower than normal, and only an even mixture of all three let it return at the normal speed.

    Barrier stripping experiments run in animal skin, with validation in human skin stated by the authors, timing the return under different lipid mixes.

    Directly contradicted.

    Application of one or two of the three stratum corneum lipids to perturbed skin delays barrier recovery; only equimolar mixtures allow normal recovery, and acylceramides alone delay recovery.

    Sources: 2

  • More ceramide isn't better.

    No. What mattered was the proportion between the three lipids, and a mixture tipped too far toward one of them made the barrier come back slower in aged skin for a full day; a higher percentage on the label is not by itself a better product.

    The aged skin experiment, reading barrier return at 3, 6 and 24 hours under mixtures weighted different ways.

    Contradicted by the ratio data.

    Benefit depends on molar proportion, and a mixture dominated by the wrong component actively harms: a free fatty acid dominant mixture significantly delayed barrier recovery in aged skin at 3, 6 and 24 hours.

    Sources: 3

  • Feeling less dry doesn't mean the barrier is repaired.

    The two come apart. In the 58 person trial the comparator reduced dryness but left the barrier reading unmoved, and only the cream carrying the full lipid set improved it.

    The same 58 person comparison, reading dryness and the barrier measure side by side.

    These endpoints dissociate.

    The glycerine containing comparator reduced skin dryness but had no impact on barrier function, while only the physiological lipid product improved barrier integrity.

    Sources: 4

  • It won't restore youthful ceramide levels.

    That says more than was measured. Skin builds these lipids itself through its own pathway and some kinds are found nowhere else, while the trials measured only a rise in the two kinds that were applied and a shift in the balance between them.

    The two 4 week trials that sampled the outermost layer of skin to see which kinds had gone up.

    Barrier lipids are made by differentiating keratinocytes through a specific metabolic pathway, and some stratum corneum ceramides exist only in skin.

    Sources: 1

Citations

  1. 1
    Berdyshev E. Skin Lipid Barrier: Structure, Function and Metabolism. Allergy Asthma Immunol Res. 2024;16(5):445-461.DOI 10.4168/aair.2024.16.5.445PMID 39363765
  2. 2
    Man MQ, Feingold KR, Thornfeldt CR, Elias PM. Optimization of physiological lipid mixtures for barrier repair. J Invest Dermatol. 1996;106(5):1096-1101.DOI 10.1111/1523-1747.ep12340135PMID 8618046
  3. 3
    Zettersten EM, Ghadially R, Feingold KR, Crumrine D, Elias PM. Optimal ratios of topical stratum corneum lipids improve barrier recovery in chronologically aged skin. J Am Acad Dermatol. 1997;37(3 Pt 1):403-408.DOI 10.1016/s0190-9622(97)70140-3PMID 9308554
  4. 4
    Andrew PV, Williams SF, Brown K, Chittock J, Pinnock A, Poyner A, Cork MJ, Danby SG. Topical supplementation with physiological lipids rebalances the stratum corneum ceramide profile and strengthens skin barrier function in adults predisposed to atopic dermatitis. Br J Dermatol. 2025;193(4):729-740.DOI 10.1093/bjd/ljaf200PMID 40408261
  5. 5
    Akahane T, Watanabe D, Shimizu E, Tanaka K, Kaizu K. Efficacy of Pseudo-Ceramide Absorption Into the Stratum Corneum and Effects on Transepidermal Water Loss and the Ceramide Profile: A Randomized Controlled Trial. J Cosmet Dermatol. 2025;24(1):e16655.DOI 10.1111/jocd.16655PMID 39492723
  6. 6
    Burnett CL, Boyer IJ, Bergfeld WF, et al.; Expert Panel for Cosmetic Ingredient Safety. Safety Assessment of Ceramides as Used in Cosmetics. Int J Toxicol. 2020;39(3 Suppl):5S-25S.DOI 10.1177/1091581820958692PMID 33203269

What each point on this page rests on, with full citations.