Canesten Bifonazole Once Daily 1% w/w Cream Canesten Bifonazole Once Daily 1% w/w Cream is an effective treatment for athlete's foot that provides relief from itching & redness & eliminates the infection completely within 2-3 weeks. The active ingredient is bifonazole, an antifungal agent that penetrates deep into the skin to work against the fungi known to cause athlete's foot.