Skin Lipid Component |
Sebaceous Lipids (%) |
Epidermal Lipids (%) |
Glycerides and Ceramides |
30–50 |
30–35 |
Free Fatty Acids |
15–30 |
8–16 |
Wax Esters |
26–30 |
ND |
Squalene |
12–20 |
ND |
Cholesterol Esters |
3–6 |
15–20 |
Cholesterol |
1.5–2.5 |
20–25 |