Brush configuration for a powered skin cleansing brush appliance

Abstract

The bristle arrangement includes a first brush portion which has a first set of bristles, the first brush portion being arranged in an annular configuration, and remains stationary in operation of the appliance. The bristle arrangement also includes a second brush portion which has a second set of bristles, wherein the second brush portion oscillates at a selected frequency. The second set of bristles has a circular arrangement, fitting within the opening of the annular arrangement of the first set of bristles. The first and second sets of bristles have a diameter within the range of 3 mils to 5 mils, and a length in the range of 0.3 to 0.425 inches. The first bristle set includes 40 to 100 bristle tufts and the second bristle set includes 40 to 120 bristle tufts, which are substantially evenly spread, respectively.

Description

technical field

[0001] The present invention generally relates to electric cleansing brushes; the present invention more particularly relates to bristle devices for use on such cleansing brushes. Background technique

[0002] In skin cleansing brushes, especially motorized brushes with a structure in which the head portion and the bristles thereon remain stationary while other portions vibrate, many factors are important to good cleaning. The ability of an electric skin cleansing brush to operate effectively and safely, in addition to cleaning, to exfoliate dead skin and increase the absorption of various skin care ingredients, is greatly influenced by the bristle morphology and bristle arrangement of the brush.

[0003] In some existing devices, the skin is not cleaned effectively, and the user has little or no cleanliness; in other cases, the skin can be abraded from excessive cleaning, which is undesirable.

[0004] Many designs take into account the overall effect of th...

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