Ceramides in skincare.
Ceramides are lipids (fats) that occur naturally in the outermost layer of skin — the stratum corneum — where they make up around 50% of the lipid composition. They function as the 'mortar' between skin cells, holding the barrier together and preventing water loss. Topical ceramides (most commonly ceramide NP, ceramide AP, ceramide EOP) replenish this lipid matrix.
What it does
Restores and reinforces the skin barrier. Reduces transepidermal water loss. Calms reactive, sensitive, or compromised skin. Supports recovery after over-exfoliation, retinoid introduction, or post-procedure healing. The single most important active category for compromised or barrier-disrupted skin.
The evidence
Strong. Ceramides are the most-studied skin-barrier active in dermatology. The CeraVe brand was developed in partnership with dermatologists specifically around ceramide-based formulations.
Who should use it
Anyone with sensitive, dry, compromised, or post-procedure skin. Users on retinoids who want to mitigate the introduction-period dryness. Anyone with eczema, rosacea, or barrier dysfunction. No contraindications. Safe in pregnancy.
What it pairs with
Everything. Ceramides are particularly useful as the foundation of a routine that includes more aggressive actives (retinol, acids, vitamin C). The standard pattern: ceramide-based moisturiser as the final step to seal in benefits and reinforce the barrier.
What to buy in Australia
CeraVe Moisturising Cream — AU$24, the dermatologist-recommended affordable benchmark. Dr. Jart+ Ceramidin Cream — AU$72, the K-beauty premium-tier ceramide moisturiser. La Roche-Posay Toleriane Double Repair — AU$38, the pharmacy choice.
Frequently asked questions.
- Can I use ceramides every day?
- Yes, twice a day. Ceramides are foundational — they're not actives in the same sense as retinol or vitamin C, they're barrier-replenishing lipids.
- Are ceramides anti-ageing?
- Indirectly. By maintaining a strong skin barrier, ceramides support overall skin health and reduce the appearance of fine lines caused by dehydration or barrier disruption. They don't drive collagen synthesis or address pigmentation.
- What's the difference between CeraVe and La Roche-Posay?
- Both use ceramide-based formulations. CeraVe is more focused on basic barrier support at affordable pricing. La Roche-Posay sits slightly upmarket with broader active inclusion (niacinamide, prebiotics). Both are credible — choose by price and availability.
- Are ceramides safe in pregnancy?
- Yes. Ceramides are pregnancy-safe and frequently recommended during pregnancy when many other actives are contraindicated.