Hairdressing device having gear module for reducing rotational speed

1. A makeup device comprising:

a case module including a first case and a second case detachably attached to the first case;

a power supply provided in the case module;

a rotary motor electrically connected to the power supply and provided in the case module;

a gear module connected to a driving shaft of the rotary motor to reduce rotational speed of the rotary motor;

a brush plate exposed out of the first case and reduced to rotate by a gear ratio of the gear module and mounted with a brush; and

a controller positioned in the case module and controlling rotational speed of the brush plate according to an operation of a switch,

wherein the gear module is provided in a gear module cover positioned in the case module and a housing cover to cover the gear module cover,

wherein the gear module cover comprises:

a gear housing; and

a switch mount extending from the gear housing and having a switch mount on which the switch is mounted.

2. The makeup device of claim 1 , wherein the gear module penetrates a gear fixing unit positioned in the housing cover the housing cover, and a head of the first case and connected to the brush plate.

3. The makeup device of claim 1 , wherein the brush is coated with material reacting with air and changing in color as time goes by or reacting with cosmetics and changing color to indicate a replacement period.

4. The makeup device of claim 1 , wherein the brush is made of one of polybutylene terephthalate (PBT), nylon, polyester velvet, and urethane film.

5. The makeup device of claim 1 , wherein a surface of the brush plate on which the brush is mounted is curved to have a trough and a crest and a plurality of brush filaments provided in the brush has the same length.

6. The makeup device of claim 1 , wherein the brush includes a plurality of brush filaments, wherein the brush filaments taper from the brush plate to their ends of the brush filaments or ends of the brush filaments are rounded.