Mast Mumbaiya mix Mukhwas is a type of Indian mouth freshener that is flavored with a mixture of spices and herbs that are commonly used in the cuisine of Mumbai, a city in western India. It is typically made by infusing a mixture of seeds, nuts, and other ingredients with a blend of flavors and essences derived from ingredients such as fennel, cardamom, and mint, and may also contain other ingredients to enhance its taste and aroma.

Mumbaiya mix Mukhwas is often consumed after meals as a digestive aid and breath freshener and is known for its refreshing and soothing properties.

It may be sold in the form of a dry, crunchy mixture that can be eaten as a snack or used to clean the teeth and freshen the breath. Some versions of Mumbaiya mix Mukhwas may also contain ingredients that are intended to help neutralize bad breath or promote oral hygiene.