Cosmetic sprayer

A sprayer comprising:

• a flexible ball having an opening and a space defined in the flexible ball, the space communicating with the opening;
• an outer part mounted to the flexible ball having a top hole which communicates with the opening of the flexible ball, and
• a nozzle unit having a body, a connector and a mounting part, the body having a passage defined axially therein and a first outer threaded section connected to a lower end of the body, the connector having a groove defined in a first end thereof which is inserted into the opening of the flexible ball, an inner periphery of the opening of the flexible ball being engaged with the groove, a second outer threaded section and a first inner threaded section formed on a second end of the connector, the second end of the connector extending beyond the opening of the flexible ball, the first inner threaded section of the connector threadedly connected to the first outer threaded section of the body, the mounting part mounted to the lower end of the body and the second end of the connector, the mounting part having a flange which presses a portion around the top opening of the outer part to the connector, the mounting part having a second inner threaded section which is threadedly connected to the second outer threaded section of the connector.