Device for measuring transepidermal water loss and skin care system using same

2:

• The transepidermal water loss measurement device according to claim 1, wherein the transepidermal water loss measurement unit detects the humidity and an inclination or measurement angle of the closed chamber when detecting the humidity, thereby correcting a measured value of the transepidermal water loss according to the inclination or measurement angle of the closed chamber.

5:

• The transepidermal water loss measurement device according to claim 4, wherein the calibration control unit sets, with respect to the detected rate of transepidermal water loss, a predetermined threshold value corresponding to at least one piece of the angle information including an initial measurement angle, an intermediate measurement angle, a final measurement angle, all intermediate measurement angles during a measurement period, and an average measurement angle during measurement period, or adds or subtracts the predetermined threshold value to or from the detected rate of transepidermal water loss, thereby correcting numerical values of the transepidermal water loss.

6:

• The transepidermal water loss measurement device according to claim 2, wherein the transepidermal water loss measurement unit detects angle information including at least one of an initial measurement angle, an intermediate measurement angle, a final measurement angle, all intermediate measurement angles during a measurement period, and an average measurement angle during the measurement period when measuring the transepidermal water loss amount;
• sets a predetermined threshold value corresponding to at least one of the initial measurement angle, the intermediate measurement angle, the final measurement angle, all the intermediate measurement angles, and the average measurement angle, with respect to data of the transepidermal water loss;
• or adds or subtracts the predetermined threshold value, thereby correcting numerical data of the transepidermal water loss.

7:

• The transepidermal water loss measurement device according to claim 2, wherein the transepidermal water loss measurement unit determines whether or not the closed chamber is moved by a predetermined reference angle or more during the measurement period in which the humidity changes are measured;
• requests repeating a process of measuring and analyzing the humidity changes when it is determined that the closed chamber is moved by the predetermined reference angle or more such that the transepidermal water loss, an initial measurement angle, an intermediate measurement angle, a final measurement angle, all intermediate measurement angles during a measurement period, and an average measurement angle during the measurement period are measured again;
• and corrects numerical data of the transepidermal water loss when it is determined that the closed chamber is moved by less than the predetermined reference angle by setting a predetermined threshold value corresponding to at least one of the initial measurement angle, the intermediate measurement angle, the final measurement angle, all the intermediate measurement angles, and the average measurement angle, or by adding or subtracting the predetermined threshold value.

8:

• The transepidermal water loss measurement device according to claim 1, wherein the closed chamber is provided with a pressure-adjusting ventilation unit having a predetermined area and a predetermined thickness on an outer surface of a wall of the closed chamber, the pressure-adjusting ventilation unit functioning to adjust a pressure gradient and a density gradient inside the closed chamber in accordance with a pressure difference and a density difference between an inside space and an outside space of the closed chamber.

9:

• The transepidermal water loss measurement device according to claim 8, wherein the pressure-adjusting ventilation unit has a thin film shape having a thickness equal to or smaller than that of the wall of the closed chamber and is provided with multiple ventilation holes that are arranged regularly or irregularly and have an inner diameter that is 1/1000 times a total surface area of the closed chamber 120 or a total surface area of the pressure-adjusting ventilation unit.

10:

• The transepidermal water loss measurement device according to claim 8, wherein the pressure-adjusting ventilation unit has a thin film shape thinner than the wall of the closed chamber and is implemented as a ventilating functional thin film that allows outflow of internal air and prevents outflow of vapor therethrough.

11:

• The transepidermal water loss measurement device according to claim 8, wherein the pressure-adjusting ventilation unit has a thin film shape thinner than the wall of the closed chamber and is implemented as a flexible thin film made from at least one of silicon, rubber, or poly-series synthetic fiber.

12:

• The transepidermal water loss measurement device according to claim 8, further comprising a water content measurement unit provided on a surface of the closed end of the cylindrical closed chamber, wherein the water content measurement unit measures the transepidermal water loss by detecting the humidity in the closed chamber, displays data of the measured transepidermal water loss on a display unit, and transmits the data of the transepidermal water loss information to an external device through a wireless communication network.

15:

• The skin care system according to claim 14, further comprising a management server supporting the application program executed in the one or more mobile communication devices, providing the information of the transepidermal water loss received from one of the mobile communication devices to another mobile communication device, and providing a user-specific skin caring method and related information on the basis of the information of the transepidermal water loss.