Research Developments in Eyelash Curling
Traditional eyelash curlers face mechanical limitations in accommodating diverse eye shapes and achieving consistent curl patterns. Current designs typically apply 0.8-1.2 N of clamping force across a curved pad width of 25-30mm, yet studies show that eye shapes can vary by up to 40% in curvature and lid prominence between individuals.
The core engineering challenge lies in developing mechanisms that can deliver precise, adjustable pressure distribution while conforming to varied anatomical contours without compromising safety or ease of use.
This page brings together solutions from recent research—including dual-clamping systems with beveled edges, interchangeable curved pads with variable geometries, sliding push-clip mechanisms, and thermally-assisted curling approaches. These and other approaches focus on achieving consistent, customizable results while preventing lash damage and improving user ergonomics.
1. Eyelash Curler with Dual Clamping Mouths and Angled Beveled Edges
Close Chinese., ZHONGWEN GUAN, 2024
Beveled edge eyelash curler with improved shape for better results and user experience. The curler has two clamping mouths on the end of the handle, one for shaping and one for removing lashes. The shaping mouth has a curved edge and the removal mouth has a slanted thin edge, both angled inwards. The curved shaping mouth closely fits the eyelashes for smoother curling. The slanted removal mouth provides better grip and stability when removing lashes.
2. Eyelash Curler with Interchangeable Rotatable Clamping Pieces of Variable Curvature and Width
FUSOYA CHEMICAL CO LTD, 2024
An eyelash curling tool with interchangeable curved clamping pieces to accommodate different eye shapes and curl preferences. The tool has a rotatable first clamping piece made of a rigid material with multiple options of curvature and width. Users can select the desired piece for their eyes and curl needs. This customization allows the tool to adapt to individual eye sizes and lid bulges, as well as change the eyelash curl amount based on TPO.
3. Ring-Shaped Eyelash Curler with Detachable Mounting for Cosmetic Container
LOREAL, 2024
Compact, ring-shaped eyelash curler that can be worn as a jewelry-like accessory around a cosmetic product like a mascara tube. The curler has a central axis, curved main body section, and an end section with a pad for pressing eyelashes. It can be detachably mounted around the product container to curb its size and allow carrying multiple makeup items together. The curler's compact shape enables it to fit around the container and not interfere with other makeup products in the case.
4. Eyelash Curler with Sliding Handle Mechanism and Integrated Limit Block for Controlled Operation
Yangjiang Jinhengda Cosmetic Tools Co., Ltd., YANGJIANG JINHENGDA COSMETIC APPLICATOR CO LTD, 2023
An eyelash curler with a unique design to improve user experience compared to traditional scissor-style curlers. The eyelash curler has a handle, bracket, and splint. The handle has a boss with a matched groove on the bracket. A third handle slides between them. A limit block and positioning rod prevent overextension. The splint attaches to the bracket. This allows opening without colliding with the face and closing without pinching fingers. The handles and splint slide together for adjustment.
5. Eyelash Curler with Integrated Rotatable Hair Removal Mechanism and Sealed Housing
SHENZHEN YUMI INFO CO LTD, 2023
Eyelash curler with both curling and hair removal functions in a single device. The curler has a housing with a clamping mechanism at one end and a rotatable hair removal mechanism at the other end. The housing rotates relative to the hair removal mechanism. This allows simultaneous eyelash curling and hair removal without needing multiple instruments. The housing and hair removal mechanism have mating surfaces to prevent gaps that could let water or debris in.
6. Eyelash Curling Device with Dual Stick Configuration and Heated Metal Tip
WOO JI AN, 2023
Eyelash curling device and method that allows easy and customizable curling of eyelashes using a pair of sticks - one heated and one fixed. The device has a first stick with a metal tip and a second stick with a fixed tip. To curl lashes, the user heats the metal tip of the first stick, then presses the fixed tip of the second stick against the eyelid near the lashes. The heated metal tip is then brought into contact with the lashes to curl them. This allows customizable curling suitable for all lash types by supporting the lashes with the fixed stick and curling them with the heated stick.
7. Eyelash Curler with Foldable Clamping Heads and Rotatable Connections
YONGJIA LUOFU COSMETIC TOOL FACTORY, Yongjia County Luofu Beauty Tools Factory, 2023
An improved eyelash curler with foldable clamping heads for compact storage. The curler has rotatable connections between the clamping handles, chuck, and storage device. The clamping handles have circular holes that the rotatable storage device drives rods pass through. The chuck has protrusions that engage the circular holes when the handles are closed. This allows the curler to be folded with the heads fixed, making it more compact for storage. An auxiliary device with a sliding rod and socket further restricts the handle rotation during folding.
8. Eyelash Curler with Sliding Push Clip and Elastic Handle Connector
Shenzhen Yule Technology Co., Ltd., 2023
Eyelash curler with improved mechanism to prevent sticking and discomfort. The curler has a sliding push clip that can move back and forth between the eyelash padding and frame. This allows the curler to bend the lashes without getting stuck. The curler also has an elastic connector between the handles to provide a spring-back force when closing the curler. This prevents the eyelashes from detaching.
9. Compact Clamshell Eyelash Curler with Ring-Shaped Curler Head
OREAL, 2022
A compact, portable eyelash curler for curling natural or false eyelashes. The curler has a ring-shaped curler head that opens and closes like a clamshell. The ring curler is designed to fit inside a makeup case along with other cosmetics, making it portable. The simple clamshell design reduces size compared to traditional curlers. It allows curling eyelashes in various locations without carrying a bulky curler separately. The compact size also enables the curler to fit inside a makeup case alongside other cosmetics.
10. Eyelash Curler with Outwardly Curved Wider Center Section for Enhanced Clamping
U-SHIN INDUSTRIAL CO LTD, 2022
Eyelash curler with wider center section to curl lashes naturally without damaging rubber pad. The curler has a fixed clamping body with wider center section curved outward. The movable clamping body and elastic pad fit inside. The wider center section clamps wider at the eyelid center where lashes are longer, while narrowing towards ends for shorter lashes. This curves lashes without crushing them. The wider center prevents lashes escaping. The curved shape fits the eye contour.
11. Compact Discontinuous Elastically Deformable Ring Curler for Eyelashes
LOREAL, 2022
Ring curler for curling eyelashes that is compact and easy to carry compared to conventional curlers. The ring curler has a discontinuous elastically deformable ring shape with a pressing end section to curl lashes and a receiving end section. The ring can be mounted around containers like mascara bottles without interfering. It compresses and deforms when curling lashes for better results. The ring's compatibility and compactness make it easier to carry in a case with other makeup items.
12. Eyelash Curler with Adjustable Clamping and Curling Angle Mechanism
SHENZHEN YULAI YANGMING DATA INFORMATION CO LTD, Shenzhen Yulai Yangming Data Information Co., Ltd., 2022
Eyelash curler with adjustable angle to prevent eyelashes from drooping after mascara application. The curler has a movable clamping member and curling member that can be adjusted to different angles. The curling member has a first and second end surface for gripping eyelashes. The curling angle can be set between 90-160 degrees to create a "U" shape for aesthetically pleasing curled lashes without drooping. Adjusting the angle prevents lashes from curling into a "V" shape that attaches to the skin.
13. Eyelash Curler with Dual Independent Clamping Assemblies and Arc-Shaped Lower Clamp
SHANGHAI MAODAI BIOTECHNOLOGY CO LTD, 2022
Eyelash curler with improved design to enhance the effectiveness and comfort of curling eyelashes. The curler has two connected clamping assemblies instead of a single hinged clamp. This allows the lower clamp to move independently and avoid interference from the upper clamp. The lower clamp has an arc shape with a void between its end and a support column. The upper clamp has a central arc to avoid squeezing eyelids. The connected clamps provide better control and flexibility for curling lashes without clipping the eyelid.
14. Eyelash Curler with Independently Adjustable Clips for Variable Eye Curvatures
Shenzhen Yulai Yangming Data Information Co., Ltd., SHENZHEN YULAI YANGMING DATA INFORMATION CO LTD, 2022
Eyelash curler with adjustable clips to better fit different eye shapes and curvatures. The curler has two separate clips that can be independently moved to match the user's left and right eye lid arcs. This allows finding the clip that better conforms to each eye's curvature for optimal eyelash curling. The clips pivot on a shared shaft and have symmetrically shaped edges to help determine which clip is best for each eye.
15. Shaft-Connected Eyelash Curler with Cross-Pivoted Clamping Members and Torsion Spring Reset Mechanism
Yangjiang Meijiale Beauty Products Industry and Trade Co., Ltd., 2022
Shaft-connected eyelash curler clamping assembly with automatic reset function to simplify use and prevent hair entanglement. The eyelash curler has cross-pivoted clamping members connected by a shaft. A torsion spring between the members provides elasticity to automatically reset the curler when the clamping members rotate relative to each other. This eliminates the need for the user to manually reset the curler after each use. The clamping members have a rubber strip and matching head to grip the lashes, with a locking mechanism to hold the strip in place.
16. Eyelash Curler with Protruding Upper Pressing Portion for Enhanced Eyelid Engagement
KAI BLADE TOOL DEVELOPMENT CENTER CO LTD, 2022
Eyelash curler with reduced eyelid pressure compared to conventional curlers to prevent eye strain and pain. The curler has a unique upper pressing portion with protrusions that bite into the eyelid to lift it. The protrusions catch and lift the eyelid better than a flat contact surface. This reduces the pressing force needed to lift the eyelid since the protrusions have leverage. The protrusions also have a shape like animal ears or frog eyes for a cute appearance.
17. Flat Eyelash Curler with Interlocking Ridge Plates and Elastic Pad
LOREAL, 2022
Compact, flat eyelash curler that is easy to carry and has excellent operability. It has a lower plate with ridges and an elastic pad, and an upper plate with a ridge that pinches eyelashes when combined. The plates can be combined in a compact non-use position or a ready-to-use position where the elastic pad faces the ridge. This allows easy curling like a clothespin. The flat design saves space for carrying. The plates can lock in place to prevent unintentional separation. The plates can be made of lightweight materials like plastic.
18. Eyelash Curler with Axially Connected Clamping Assemblies and Curved Lower Clip
Zhejiang Wuyou Cosmetics Co., Ltd., 2022
Eyelash curler that avoids interference with eyelashes and eyelids during curling. The curler has a unique two-part design with axially connected clamping assemblies. The lower clamp has a curved lower clip and a support arm. The upper clamp presses against the curved lower clip to curl lashes. The curved lower clip and support arm prevent interference with lashes and lids.
19. Portable Eyelash Curler with Upper and Lower Clips, Return Spring Mechanism, and Single-Handed Operation Base
LI FENG, Li Feng, 2022
A portable eyelash curler with a compact and convenient design for easy transportation and one-handed operation. The curler has an upper clip and a lower clip that can be pushed together to curl lashes. A return spring drives the lower clip down after curling. The curler attaches to a base with a push rod that activates the clips. Finger concave positions on the base allow single-handed use.
20. Cylindrical Stretchable Fixture for Eyelash Curler Handle Fixation
TOMOKO HAYASHI, 2022
A simple, easy-to-manufacture fixture that can be retrofitted to existing eyelash curlers to provide a fixation mechanism for the handles. The fixture is a cylindrical, stretchable, and resilient piece that bundles the curler handles together around the pivot point. When the fixture is moved away from the pivot, the handles are fixed in place. Bringing the fixture close to the pivot releases the handles for operation. This allows convenient storage of the curler with fixed handles and quick release when needed. A notch on the fixture side enhances elasticity and aesthetics.
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