When it comes to skincare, most consumers put their money on ingredients like vitamin C and hyaluronic acid. But when the Skinara® analysis asked a panel of dermatologists, most disagreed.
In a May 2026 study, the Skinara analysis asked 63 board-certified dermatologists about the most commonly recommended ingredients for anti-aging, pigmentation, acne, and sensitive skin. The central question was simple: which single ingredient matters most for long-term skin health?
The majority chose ceramides.
Here is what they had to say:
1. Nothing in Your Routine Works Without Them
Ceramides help keep skin hydrated, calm, and prepared for skincare. They are lipids that make up a major part of the skin barrier. But seasonal changes, pollution, over-cleansing, UV exposure, and aging can reduce the amount of ceramides in the skin.
Skincare education sources commonly cite that natural ceramide levels may decline by around 40% by the 30s and up to 60% by the 40s, while peer-reviewed research has also shown significant age-related changes in major stratum corneum lipids, particularly ceramides.
Dr. Moushumi Das, Specialist Dermatologist, said: “People spend hundreds on skincare and wonder why nothing works. In many cases, the issue is a damaged skin barrier and decreased ceramide levels. When the barrier is weakened, the rest of the routine can become harder to tolerate.”
David Chyou, Principal Scientist at Skinara, says skin health is influenced by oxidation, inflammation, barrier damage, and how the skin responds to stress. “We never stop there; we always ask this question: is this ingredient clinically effective on the skin?”
2. Ceramides Can Help Support Retinoid Routines
Retinoids remain one of the most evidence-backed skincare categories, but they can also be difficult to tolerate when introduced too quickly. Dryness, flaking, redness, and irritation are common reasons people stop using them consistently.
Ceramides can be especially useful in retinoid routines because they help support the skin barrier while the skin adjusts. They are not there to replace retinoids. Their role is to help make active-heavy routines more tolerable and sustainable over time.
“The strongest active is not always the smartest starting point. If the skin barrier is already irritated, even a good routine can feel too harsh.”
Dermatologists’ advice: build a barrier-supportive routine before increasing retinoid strength or frequency. A moisturiser containing ceramides can help support comfort, hydration, and consistency while the skin adapts.
3. Ceramides Have Fewer Common Restrictions Than Many Actives
Ceramides are generally well tolerated across many skin types and are commonly used in barrier-supportive skincare, including sensitive-skin routines. Unlike retinoids, exfoliating acids, or unstable antioxidants, ceramides are not usually associated with the same level of strength-related irritation or routine complexity.
That does not mean every ceramide product is suitable for every person. The full formula still matters, especially for pregnancy, infant skincare, active skin disease, or highly reactive skin. But as an ingredient category, ceramides are widely used because they work with the skin’s existing barrier structure rather than forcing faster turnover.
The takeaway is simple: retinol, acids, and vitamin C may get the attention, but dermatologists in the Skinara analysis pointed to the barrier first. For many routines, ceramides are not the exciting extra. They are the support system that helps skin stay calm, hydrated, and consistent over time.
Methodology
The Skinara analysis was designed to understand which ingredient dermatologists consider most important for long-term skin health, across common skincare concerns including aging, pigmentation, acne, and sensitivity.
| Methodology item | Publication wording |
|---|---|
| Survey size | The Skinara analysis surveyed 63 board-certified dermatologists in May 2026. |
| Core question | Dermatologists were asked which single ingredient mattered most for long-term skin health. |
| Context areas | Responses were reviewed across anti-aging, pigmentation, acne, and sensitive skin. |
| Key result | The majority selected ceramides. |
| Caveat | This was an expert-opinion survey, supported with published clinical and barrier-health literature. |
Sources
Ceramides and the skin barrier
- A study in the International Journal of Molecular Medicine describes ceramides as major lipids in the skin’s multilamellar barrier, alongside cholesterol and fatty acids.
https://www.spandidos-publications.com/10.3892/ijmm.2016.2600 - A 2025 review in Experimental Dermatology discusses ceramides as a key component of skin health and notes that ceramides can constitute up to 50% of skin lipid content.
https://onlinelibrary.wiley.com/doi/full/10.1111/exd.70042 - A review available on PubMed Central describes the stratum corneum lipid matrix as approximately 50% ceramides, 25% cholesterol, and 15% free fatty acids by weight.
https://pmc.ncbi.nlm.nih.gov/articles/PMC11348431/ - A review on the role of lipids in the cutaneous permeability barrier describes lipid-enriched lamellar membranes in the stratum corneum and the importance of ceramides, cholesterol, and free fatty acids.
https://europepmc.org/abstract/MED/24262790
Ceramide levels and aging
- Murad’s skincare education resource states that natural skin ceramides may decline by around 40% by the 30s and 60% by the 40s.
https://wellconnected.murad.com/heres-everything-and-we-mean-everything-youve-ever-wanted-to-know-about-ceramides/ - Senté Labs cites the same figures, stating that naturally occurring ceramides may decline by around 40% in the 30s and 60% in the 40s.
https://sentelabs.com/blogs/blog/the-science-behind-ceramides-strengthening-the-skin-s-natural-barrier - Rogers et al. reported significant age-related decreases in major stratum corneum lipid species, particularly ceramides.
https://pubmed.ncbi.nlm.nih.gov/8950457/
Ceramides and retinoid tolerance
- A 2023 study in the Journal of Drugs in Dermatology found that a ceramide-containing cleanser and moisturiser reduced dryness, erythema, and scaling during acne treatment while supporting skin barrier recovery.
https://pubmed.ncbi.nlm.nih.gov/37276158/ - A randomized, investigator-blinded, split-face study found that adjunctive use of a moisturiser containing a ceramide precursor improved tolerability of topical tretinoin 0.05%.
https://jddonline.com/articles/adjunctive-use-of-a-facial-moisturizer-spf-30-containing-ceramide-precursor-improves-tolerability-of-S1545961612P1104X/ - A qualitative review available on PubMed Central found that external ceramide-containing preparations can improve dry skin and barrier function in atopic dermatitis, while noting the need for larger controlled studies.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9293121/
Skin barrier science and microbiome context
-
Skin Barrier Function: The Interplay of Physical, Chemical, and Immunological Processes describes skin barrier function as an interaction between physical, chemical, and immune processes.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10706187/ - A 2024 review, Interaction between the microbiota and the skin barrier in aging skin, discusses how aging skin involves interactions between the microbiota and skin barrier function.
https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1322205/full
Ceramide safety and tolerability
- The Cosmetic Ingredient Review Expert Panel concluded that ceramide ingredients are safe in cosmetics under current practices of use and concentration.
https://www.cir-safety.org/sites/default/files/cerami032015rep.pdf



Share:
New Study Ranks TikTok’s Most Viral Skincare Ingredients from Best to Worst
The Celebrity Skincare Routine Everyone’s Actually Trying to Steal