Ingredient · INCI listed
Ceramides
Ceramides are lipids naturally found in the skin barrier, making up roughly 50% of its composition. Topical ceramides restore what's lost from cleansing, aging, and environmental damage — they're the gold standard for barrier repair.
Evidence — Well-established
Data summary
Products containing
48
Most common in
24 products
moisturizers
Typical pairing
Niacinamide (Vitamin B3)
Evidence level
Well-established. Decades of research confirm that topical ceramides (especially NP, AP, EOP in physiological ratios) improve barrier function, reduce transepidermal water loss, and alleviate eczema symptoms.
Where it shows up