Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Components of skin surface lipids. Triglycerides (TG); Free fatty acids (FFA); Wax esters (WE); Squalene (SQ); Cholesterol Esters (CE); Cholesterol (CH).
| Sebum (%) | Epidermal lipids (%) | |
|---|---|---|
| TG | 30–50 | 30–35 |
| FFA | 15–30 | 8–16 |
| WE | 26–30 | — |
| SQ | 12–20 | — |
| CE | 3.0–6.0 | 15–20 |
| CH | 1.5–2.5 | 20–25 |
