Ceramide And Skincare

Ceramide has transitioned from an incidental discovery to a vital element in skincare, becoming a thoroughly studied compound in the quest to treat skin conditions. Creating a moisture barrier, preserving hydration, regulating pH, controlling inflammation, and enhancing skin functions and appearance are among its established benefits.

Ceramide is often used medically to repair skin barrier defects, as observed in inflammatory skin conditions like Atopic Dermatitis (AD) and dry skin types.

Furthermore, ceramide and its metabolites are commonly used as predictors before disease manifestation and for prognostication processes, thus can be used as biomarker for clinical diagnosis as well. In the last couple of decades, momentum was also seen in the pre-clinical studies involving anti-cancer and nanotechnology field, whereby ceramide was also used as a drug, a carrier, or even adjunct formulation to increase efficacy of treatment such as chemotherapy.

Approaches to increase ceramide levels include directly replenishing lost ceramides with natural extracts, synthetic pseudo-ceramides, or ceramide-like analogues, as well as using supplements that stimulate the body's natural ceramide production. Although ceramide is a well-known treatment in skincare and for common skin conditions like AD and Psoriasis, its development and related pharmacology for severe skin conditions, such as skin cancer, remain in pre-clinical stages. Hence, the purpose of this research is to explore the role of ceramide in skin health and its application in common skin diseases.

Ceramide, a type of sphingolipid, gets its name from “amide” and “cera,” which means wax in Latin, due to its long fatty acid chain and waxy texture. Ceramides are present in vernix, the protective coating on foetal skin, indicating their early role in skin development. After birth, keratinocytes produce granules with bioactive chemicals, enzymes, and precursor lipids that form ceramide, constituting up to 50% of the skin's lipid content. On the cellular level, ceramides constitute a minor part of the plasma membrane and organelle membranes. In addition to being part of the skin barrier, ceramides act as messenger molecules that regulate cellular processes like cell cycle arrest, differentiation, and apoptosis.

What is more, their metabolites play a role in skin barrier function, epidermal cell proliferation and differentiation, skin immunity and ultimately factoring for skin diseases.

Until the early 2000s, ceramides were mostly synthetic or extracted from various animal sources, including marine animals, land animals, bacteria, and fungi. However, over a decade later, phyto-derived ceramides, primarily isolated from dietary sources, became preferred for their better safety profiles. To reduce costs, long-chain ceramides (C46-48), like, glucosylceramides are sourced from plentiful and unwanted food plant residues, including industrial wastes, apple pomace, wheat germs and coffee grounds. Plant ceramides, also known as phytoceramides, can be extracted from wheat, rice bran, corn, konjac, seeds and leaves as well. Because of strong structural resemblance they can be good supplementation to original skin ceramides.

The development of next-generation ceramide products focuses on enhancing the efficiency of ceramide supplements for improved functionality and effectiveness. It could be by playing with the ceramide ratio of different lipid components that gives better result, or enhancing the pharmacokinetic and pharmacodynamic properties of ceramide supplement by incorporating into drug delivery system. Studies demonstrated that application of a mixture of lipids, such as, cholesterol, ceramides, and essential/nonessential free fatty acids can enhance skin barrier function.

Ceramide has been proven to be effective in repairing skin barriers and addressing pigmentation issues. It may also serve as a biomarker for predicting or prognosticating skin diseases, in addition to providing relief from symptoms. Ceramide serves as an excellent supplement for enhancing skin barrier functions, whether applied topically or taken orally. This has been well demonstrated in healthy subjects, as well as, patients with skin condition. However, other than AD, there have been limited clinical trials investigating clinical efficiency of ceramide. In the psoriasis, the application of derivatives from ceramide, such as, S1P was more commonly studied as cell signalling modulator.

Conversely, in skin cancer, ceramides and their metabolites have been equally studied as biomarkers and manipulated variables for cell survival and death in vitro. However, only clinical trials can establish its effectiveness through details, such as, optimal dosages, preferred routes of administration and the minimum duration required for noticeable effects. Trials are also needed to comprehend the diverse roles of ceramides of varying lengths across various skin conditions. Finally, there is a requirement to develop more economical methods for extracting and synthesising ceramides to ensure affordability

Not my own work. Taken from (and for more information) please see:

Yong, T.L., Zaman, R., Rehman, N. and Tan, C.K. (2025), Ceramides and Skin Health: New Insights. Exp Dermatol, 34: e70042. https://doi.org/10.1111/exd.70042

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