Barrier and calm
Cholesterol
A fat the skin makes itself, one of the three lipids of a healthy barrier along with ceramides and fatty acids.
- Conditions skin
- Softens skin
- What it does
- Used in barrier creams and moisturizers alongside ceramides for a comfortable, resilient feel.
- How often
- Morning and evening in most barrier care; retinoid and shot formulas can need slower or evening-only schedules, while masks, sun care, makeup and hair care differ.
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