Answer
In Duac Once Daily Gel, clindamycin inhibits bacterial protein synthesis and acts against acne-associated bacteria, while benzoyl peroxide kills these bacteria, acts mildly against comedones and counteracts excessive sebum production.
Sources for this answer
- Duac Once Daily 10mg/g + 50mg/g GelStiefel · emc · SmPC §5.1 Pharmacodynamic properties · Version 13Document updated
Sources checked