Fennel Seeds are small in size (Barik Saunf) which is you can use for mouth freshener. Thin fennel seeds are also popularly known as 'Lucknowi vilayati Saunf. Barik Sonf from Lucknow is famous for its small size and natural sweetness. It is also called Variyali Sauf. It is not a big size fennel seeds which is used in kitchen cooking ingredient or spice or masala. It is barik sounf for mukhwas.
Use as a mouth freshener after any meal. Eat Fennel seeds directly or mix with sugar for added sweetness. Soak overnight and drink strained water for detox. It freshens the mouth by beating bad breath.