Ceramides
Barrier RepairEmollientNaturalAlso known as: Ceramide NP, Ceramide AP, Ceramide EOP, Phytosphingosine, Sphingolipids
Lipids naturally found in the skin barrier that make up about 50% of the skin's composition. Essential for maintaining moisture and protecting against environmental damage.
Routine placement
Moisturizer · AM & PM
Time to results
2-4 weeks for improved barrier function; immediate relief for dry/irritated skin
Restores and strengthens skin barrier, locks in moisture, protects against environmental aggressors, soothes irritated skin, reduces transepidermal water loss.
Apply morning and/or evening. Works best in combination with fatty acids and cholesterol (mimicking natural skin barrier ratio). Suitable for daily use.
Beginner
0.5-1%
Intermediate
1-3%
Advanced
3-5%
Critical component of skin barrier function. Clinical studies show ceramide-containing products improve barrier repair, reduce TEWL, and benefit conditions like eczema and dermatitis.
Key Studies
The role of ceramides in skin barrier function (2014)
Journal of Clinical and Aesthetic Dermatology
Ceramides comprise 50% of skin lipids. Topical ceramide supplementation restores barrier function and reduces transepidermal water loss in compromised skin.
Ceramide-dominant barrier repair lipids (2019)
Clinical Interventions in Aging
Formulations with a 3:1:1 ratio of ceramides, cholesterol, and fatty acids most effectively mimic the natural skin barrier.
Ceramides in atopic dermatitis (2011)
Journal of the European Academy of Dermatology
Patients with eczema have significantly reduced ceramide levels. Topical ceramide application improves skin hydration and reduces flare frequency.
Can I use ceramides every day?
Yes. Ceramides are natural skin components and are safe for daily use, morning and evening. They are non-irritating for all skin types.
Do ceramides clog pores?
No. Ceramides are non-comedogenic and actually help regulate skin barrier function, which can indirectly reduce breakouts.
Should I use ceramides with retinol?
Absolutely. Ceramides help repair the barrier disruption that retinol can cause. Apply retinol first, then a ceramide moisturizer on top.
What is the 3:1:1 ratio?
The optimal ceramide formulation mimics skin lipids: 3 parts ceramides, 1 part cholesterol, 1 part fatty acids. This ratio is most effective for barrier repair.
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