OTC
Antiseptic and Antifungal dye
Crystal Violet
Last reviewed April 2026
Who is this for?
What is this drug?
Crystal Violet (also called Gentian Violet) is an antiseptic dye that works by killing bacteria, fungi, and some parasites on the skin and in the mouth. It stains the affected area purple as it fights the infection.
What is it used for?
Mouth thrush (oral candidiasis)skin fungal infectionsringwormminor wound infectionsnipple thrush in breastfeeding mothersskin sores
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.