A developing apparatus having a developer carrying member carrying
developer including toner, a developer regulating member regulating the
layer thickness of the developer carried on the developer carrying
member, and a lubricant provided in a contact portion between the
carrying member and the regulating member with the developer being not
present on the carrying member, wherein the lubricant includes a first
polymer particle which is of a spherical shape having an average degree
of circularity of 0.90 or greater and is of a polarity opposite to the
charging polarity of the toner, and a second polymer particle of a
scalelike shape and of the same polarity as the charging polarity of the
toner.