Ceramides: Benefits, Properties and Cosmetic Applications
What Are Ceramides?
Ceramides are amides of sphingosine and ω-hydroxy fatty acids, with the hydroxyl group esterified with linoleic acid. They are colourless, wax-like substances that are practically insoluble in water and are usually supplied in powder form.
Ceramides can be isolated from natural sources, although most ceramides used today are produced synthetically. They belong to the group of sphingolipids and are naturally present in the skin.
Ceramides and the Skin Barrier
Ceramides are the main intercellular lipids of the stratum corneum. Together with other skin lipids, they contribute to the organisation of lipid lamellar phases within the skin barrier.
Because of their structural role in the stratum corneum, ceramides are important ingredients in cosmetic formulations focused on maintaining skin conditioning and supporting the skin barrier.
Cosmetic Applications
Ceramides are particularly suitable for formulations designed for:
- Skin barrier support
- Dry and sensitive skin
- Skin-conditioning products
- Moisturising creams and lotions
- Facial and body care formulations
Their compatibility with the skin's naturally occurring lipid structures makes them valuable ingredients in modern barrier-focused skincare formulations.
Ingredient Information
INCI: Ceramides
CAS: Not specified on the original A&T Formulation page
EINECS/EC: Not specified on the original A&T Formulation page
References
Modern Cosmetics - Dr. Damjan Janeš and Dr. Nina Kočevar Glavač
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