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Mechanism of action by which smoking causes hair loss
| Mechanism of action |
| Vasoconstrictor action by smoke metabolites |
| Retention of DNA adducts causing DNA damage |
| Oxidative stress and disequilibrium of antioxidant system |
| Sustained microinflammation causing perifollicular fibrosis |
| Desensitization of nicotinic acetylcholine receptors |
| Androgen-dependent hair thinning |
