Ingredient · INCI listed
Cholesterol
Cholesterol is an essential lipid in the skin barrier, working alongside ceramides and fatty acids in a specific ratio to maintain barrier integrity. Without adequate cholesterol, ceramide-based formulas are significantly less effective.
Evidence — Well-established
Data summary
Products containing
48
Most common in
25 products
moisturizers
Typical pairing
Ceramides
Evidence level
Well-established as a barrier lipid. Research shows the optimal ratio is approximately 3:1:1 (ceramides:cholesterol:fatty acids) for maximum barrier repair efficacy.
Verified reviewer
Where it shows up
