A method of manufacturing a toner including manufacturing a coarse toner containing a binder resin and a coloring agent, and screening the coarse toner with a screen device including a top screen having an opening 5 of from 26 to 43 .mu.m and a bottom screen situated below the top screen having an opening of from 54 to 150 .mu.m to screen the coarse toner with the top screen by ultrasonic vibration and mechanical vibration at 50.degree. C. or lower, and with the bottom screen by mechanical vibration at 35.degree. C. or lower.

 
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< DEVELOPING AGENT, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

< ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER AND METHOD OF PRODUCING THE SAME, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING DEVICE

> COLORED RESIN PARTICLES, MANUFACTURING METHOD OF THE COLORED RESIN PARTICLES AND TONER FOR ELECTROSTATICALLY CHARGED IMAGE DEVELOPMENT

> COSMETIC COMPOSITIONS FOR SKIN-TIGHTENING AND METHOD OF SKIN-TIGHTENING USING THE SAME

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