The health site KlikDokter provides drug information on Minosep. Minosep is described as a mouthwash containing chlorhexidine gluconate, an antiseptic that kills bacteria and inhibits their growth.
According to the review, Minosep is used to maintain oral hygiene, including helping to relieve mouth ulcers and bad breath, reducing plaque, and helping to prevent gum inflammation.
Source: KlikDokter. The information above is a summary; always read the directions on the packaging and consult a doctor or pharmacist if needed.