The guides · Barrier & oils
Ceramides
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Lipids (ceramide NP, AP, EOP, NS, and others) that form roughly 50% of the stratum corneum lipid matrix.
What it does
Work synergistically with cholesterol and fatty acids to support barrier function and reduce transepidermal water loss (TEWL).
The facts
- Effective pH
- 5.0–6.0
- Category
- Barrier & oils
- Also known as
- Ceramide, Ceramide Np, Ceramide Ap, Phytosphingosine
- Pregnancy
- Generally considered fine; ask your doctor
Pairs with · fights with
Pairs well with
- Cholesterol
- Fatty acidscompletes barrier lipid trio
- Niacinamide
- Panthenol
Conflicts
- None listed.
Before you use it
Best applied in a moisturizer, not a serum — lipid delivery requires an emollient or occlusive base. Particularly valuable after actives (retinoids, acids) during barrier recovery.
On the label
Look for named ceramide types: "ceramide NP", "ceramide AP", "ceramide EOP". A formula with 3+ ceramide types plus cholesterol plus fatty acids delivers more complete barrier support.
This guide is editorial, not medical advice. For a condition, a reaction or a medical question, see a dermatologist.
See also
Squalane
Saturated hydrocarbon lipid — biomimetic (mirrors skin sebum composition). Functions as an emollient and carrier, enh…
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Oil from Hippophae rhamnoides berries — exceptionally rich in omega-7 (palmitoleic acid), carotenoids (beta-carotene,…
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