| AV | Acne vulgaris |
| CD | Cylindrical dandruff |
| Dd | Demodex spp. density |
| DME | Direct microscopic examination |
| ETR | Erythema-telangiectatic rosacea |
| PCR | Polymerase chain reaction |
| SD | Seborrheic dermatitis |
| SSSB | Standardized skin surface biopsy |
| TLR2 | Type 2 Toll-like receptors |
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