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Skin treatment process and device

A technology for cleaning devices and nozzles, applied to devices for washing hair or scalp, bathing devices, spraying devices, etc., can solve the problems of high negative pressure, no deep cleaning of pores and treatment of atomization systems, and ineffective removal of dirt.

Active Publication Date: 2013-08-21
UNILEVER IP HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, simple suction-based devices are not effective at removing dirt from deep within pores
Also, the negative pressure required to remove trapped dirt particles is usually high
[0006] Other water spraying devices and air-water spraying devices have been disclosed in the art, but it was found that they either used too much liquid for solving existing problems, such as JP 10 305078 A, JP 2004 275701 A, or used not Provides full blown misting systems suitable for deep pore cleansing and treatment eg EP 1 116 521 A2

Method used

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  • Skin treatment process and device
  • Skin treatment process and device
  • Skin treatment process and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Example 1: In Vitro Test of Pore Deep Cleansing

[0083] 1 Preparation of model skin capillary (tunable capillary)

[0084] A 100 μm diameter copper wire is suspended vertically by means of a clamp. The loose end of the wire is placed in the slot. The other end of the tank is equipped with a movable piston. The molten paraffin is poured into the tank and allowed to solidify. The copper wire is pulled from the wax block, thereby forming capillaries inside the wax block. Push out the tank plunger to remove the wax block. The block was further trimmed to a height of 3 mm using a Leica Microtome.

[0085] The wax block is placed in the liquid model sebum reservoir, causing the liquid to rise into the capillary. The model sebum used was olive oil. The model sebum was labeled with 16 μm Nile red as a color indicator. The wax block is removed from the pool and dipped into a film of molten wax to seal one end of the block. A microwell filled with liquid sebum was thu...

Embodiment 2

[0095] Example 2: Air Spraying Transpore Tape to Evaluate Foundation Removal

[0096] Glass slides (Blue Star slides, Polar Industrial Corporation) were used, rinsed with deionized water and wiped dry with tissue paper towels. will have a width of 1 inch (= 2.54 cm) Transpore (purchased from 3M) adhesive tape was attached to the glass slide, and 3 cm was marked on it 2 area for defacement. Smudge with a makeup foundation (Revlon New Complexion-02 Creamy Peach Beige). It was applied 5 μL horizontally and spread using parafilm, followed by 5 μL vertically for even coverage. Slides were left to dry for 1 hour.

[0097] Clean with an air-water jet at an air pressure of 3 bar and a liquid flow rate of 25 mL / min. The nozzle diameter is 0.5 mm.

[0098] The cleaning solution used was a 1 g / L SLES-3EO solution in deionized water. Clean for different times (15 s, 30 s, 1 min, 2 min, 5 min, 10 min). Manual cleaning is performed by rubbing with fingers for the time given abov...

Embodiment 3

[0103] Example 3: Air Spraying Pigskin to Evaluate Foundation Removal

[0104] The pigskin was cut into an area of ​​5 cm×5 cm, and the hair on the skin was cut short. Mark a 3.5 cm x 2.5 cm area on it. Dispense 0.02 mL of foundation (Revlon New Complexion-02 Creamy Peach Beige) over the area and spread evenly. Then place in -4°C freezer for one hour. Afterwards clean the stained area with air jet and facial cleanser (Ponds Perfect Matte). Perform air jet cleaning for 15 s at a pressure of 3 bar and a liquid flow rate of 25 mL / min. The cleaning solution used was a 5 g / L SLES-3EO solution in deionized water. Manual cleaning with fingers by rubbing 5 times clockwise and 5 times counterclockwise. Cleanse with 0.15 g facial cleanser. Then pour 50 mL of deionized water to wash the cleansed skin piece. Reflectance measurements were performed using a hand-held reflectometer (Minolta 2600D). In reflectometer (set to CIE-L * a * b * A black round paper with a width of 0.6 ...

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Abstract

The present invention is in the field skin treatment, in particular and deep pore cleansing and delivery of benefit agents deep inside the pores. The invention further relates to air-water jet devices for providing said skin treatment. Accordingly it is an object of the invention to provide for a device and process for deep pore skin cleansing, especially, a process for skin cleansing using reduced amounts of water. We have found that a skin cleaning device comprising an air-water jet, wherein the air and water are mixed outside the nozzle(s), provides improved cleansing of skin, including deep poor cleansing, with low usage of water.

Description

technical field [0001] The present invention is in the field of skin treatment, particularly deep pore cleansing and the delivery of benefit agents deep inside the pores. The invention further relates to an air-water jet device for providing said skin treatment. Background of the invention [0002] Deep pore skin cleansing has been studied in the field and devices are commercially available. [0003] Skin creams (also known as scrubs) containing abrasive particles are generally widely available in the market primarily for skin exfoliation. However, this cream is primarily effective at removing dead skin cells, not pore deep skin cleansing. [0004] Ultrasonic skin cleansing devices, such as ClariSonic's Mia™ Sonic Skin Cleansing System are also commonly available. Ultrasonic devices are said to expel dirt by means of ultrasonic waves. Ultrasound-based devices work primarily by generating localized heating in deeper tissues and especially collagen. It also produces high-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61H33/02A61H35/00A45D19/02
CPCA45D34/00A61H33/02A61H35/00A61H2201/105B05B7/0807A61H33/6089A61H33/027
Inventor A.布哈塔查亚S.格霍斯达斯蒂达A.内塔吉R.S.斯雷思N.苏拉马尼亚姆
Owner UNILEVER IP HLDG BV