15 patents in this list

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Modern eyelash extension adhesives must maintain bond strength of 3-5 grams per extension while withstanding oils, moisture, and daily mechanical stress. Current cyanoacrylate-based systems achieve these requirements but face challenges with cure time optimization, humidity sensitivity, and potential irritation—particularly as extensions trend toward lighter weights and longer wear periods.

The fundamental challenge lies in developing adhesive systems that provide instant grab strength for precise placement while maintaining flexibility during the full cure period to prevent premature separation.

This page brings together solutions from recent research—including pre-applied adhesive elements that eliminate manual bonding, dual-base attachment mechanisms for improved distribution of adhesion forces, and sequential layering techniques that optimize bond formation. These and other approaches focus on enhancing both the application process and long-term wear performance while maintaining eye safety and comfort.

1. Eyelash Extensions with Bristle-Configured Base for Seamless Natural Lash Integration

LASHIFY INC, 2023

Eyelash extensions with a unique base design that enables natural-looking integration with the natural lashes. The extensions feature a base that connects the natural lashes to the artificial ones, with a specific configuration of bristles that blend seamlessly with the natural lash line. The base is formed by connecting the natural lashes to the artificial ones, with a specific arrangement of bristles that creates a natural-looking lash line. The base is secured to the natural lashes using a specialized adhesive or attachment method, ensuring a secure and natural-looking integration.

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2. Eyelash Extension System with Monolithic Adhesive Strip and Integrated Cutout Design

KISS NAIL PRODUCTS INC, 2023

Eyelash extension system with pre-applied adhesive elements that eliminates the need for additional adhesive application. The system features a monolithic adhesive strip that is applied to the eyelash support strip during manufacturing, eliminating the need for user application of adhesive. The adhesive strip is designed with a cutout along its length to prevent kinking and entrapment, while the cutout also allows for secure attachment to the eyelash support strip. The system is ready to use without user application of adhesive, making it suitable for both professional and at-home applications.

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3. Eyelash Extension Strip with Pre-Applied Adhesive Elements on Filaments

KISS NAIL PRODUCTS INC, 2023

Eyelash extension system with a pre-applied adhesive element that eliminates the need for specialized bonding solutions. The system comprises an eyelash extension strip with adhesive elements already applied to the eyelash filaments before packaging. The adhesive elements are strategically positioned to attach directly to the natural lash line, eliminating the need for user preparation and application of bonding agents. This system provides a convenient, ready-to-use solution for eyelash extension application, particularly for users with limited lash extension experience.

4. Sequential Application Method for Layered Eyelash Extensions Using Individual Adhesive Attachment

KURCHENKO LIUDMILA NIKOLAEVNA, Kurchenko Lyudmila Nikolaevna, 2023

A method for creating eyelashes with varying lengths through sequential gluing of individual artificial lashes to natural lashes. The method involves applying glue to each artificial lash individually, then combining it with a natural lash, and repeating this process to create a layered effect. This approach allows natural lashes to maintain their natural balance and density while creating a visually appealing layered effect.

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5. Artificial Eyelash Extension System with Pre-Applied Adhesive Elements on Support Strip

KISS NAIL PRODUCTS INC, 2022

Artificial eyelash extension system with a pre-applied adhesive element that eliminates the need for specialized adhesives. The system comprises a support strip with eyelash filaments extending from there, featuring adhesive elements for attachment to natural eyelashes. The adhesive elements are applied to the eyelash filaments before packaging, allowing users to apply the system directly to their natural lashes without requiring additional adhesives. The adhesive elements are designed to maintain their condition and integrity during use, ensuring a seamless application experience.

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6. Eyelash Extension Member with Aligned Pair Configuration and Multi-Lash Application Tool

TAKAKO SHIIHARA, 2021

Eyelash extension treatment method and member that enables efficient application of artificial lashes while maintaining natural lash alignment. The method involves preparing artificial lashes in pairs or multiples that align with each other, then using a specialized tool to gather and apply multiple lashes to the natural lash line simultaneously. The artificial lashes are applied with adhesive to the natural lash root, with the bonded sections adhering to the natural lash tip. This approach enables the simultaneous application of multiple lashes while maintaining their natural orientation, resulting in a more natural and efficient extension application process.

7. Sequential Layering Method for Artificial Eyelash Attachment Using Individual Lash Bonding and Pressing Technique

SABANOVA ALENA IGOREVNA, Sabanova Alyona Igorevna, 2021

A method for creating artificial eyelashes that extends natural lashes without compromising their health or appearance. The method involves gluing artificial lashes to each other in sequential layers, with each artificial lash applied separately to a natural lash. The artificial lashes are then combined with natural lashes through pressing, creating a cohesive, multi-lash extension. This approach allows for precise control over lash thickness and volume, while maintaining the natural appearance and functionality of the lashes.

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8. Artificial Lash Extension System with Dual-Base Adhesive Attachment Mechanism

LASHIFY INC, 2021

Artificial lash extension system for applying multiple sets of lash extensions to the underside of natural lashes. The system comprises a base with adhesive attachment points that can be positioned at the lash line, and a secondary base with adhesive attachment points that can be positioned at the lash root. The secondary base is designed to attach to the adhesive points on the base, allowing multiple sets of lash extensions to be applied in a single procedure.

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9. Method for Attaching Eyelash Extensions Using Dual-Angle Tape Application Technique

BAEK EUNJOO, Baek Eun-joo, 2020

A method for creating natural-looking eyelash extensions that mimics the appearance of real lashes. The method involves attaching two eyelash extensions to the natural lash line, one from the left and one from the right, using a specialized adhesive tape. The extensions are positioned at an angle to the natural lashes, with the left extension positioned at a 10-20° angle from the lash line and the right extension at the same angle. The tape is applied to the lash line, and the extensions are inserted into the lash root. The tape is then compressed to secure the extensions in place. This technique creates a more natural appearance by mimicking the appearance of individual lashes rather than a uniform extension.

10. Self-Adhesive Artificial Eyelash System with Embedded Hairs Featuring Tapered Base-to-Tip Structure

NOVALASH INC, 2018

A self-adhesive artificial eyelash system that modifies natural eyelash appearance by attaching to existing lashes. The system comprises a set of adhesive strips with embedded artificial lash hairs, where each hair has a thicker base and a thinner tip. The strips are applied to the existing eyelashes, with the adhesive-receiving surface on the strip having the hair bases embedded in the material. This creates a natural-looking lash attachment that can be easily removed without damaging the natural lashes.

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11. Eyelash Extension Application Method with Pre-Applied Adhesive for Enhanced Bonding and Precision

CHIPMAN ZACHARY, 2013

Eyelash extension application method that improves efficiency and reduces the risk of lash damage. The method involves using a specialized adhesive that forms a strong bond between the eyelash extensions and natural lashes, eliminating the need for manual manipulation of individual lashes. The adhesive is applied to the eyelash extensions before application, allowing technicians to quickly and accurately position the extensions on the natural lashes. This approach enables faster and more precise application compared to traditional manual techniques, while maintaining the integrity of the natural lashes.

12. Eyelash Extensions with Textured Root and Antibacterial Silver Ion-Infused Adhesive Coating

MATSUKAZE CO LTD, 2011

Eyelash extensions with enhanced durability and skin safety through a novel adhesive surface treatment. The eyelash design incorporates a root portion with a textured surface, followed by a coated adhesive layer that incorporates antibacterial properties. The coating agent contains silver ions, which are incorporated into the adhesive formulation to prevent bacterial growth while maintaining the adhesive's strength. This treatment enables the eyelashes to maintain their position on the natural lash line for extended periods without the risk of skin irritation or damage.

13. False Eyelashes with Tapered Base and Tip Ends Featuring Strategic Adhesive Placement

SAKUMA MIWA, 2010

False eyelashes that maintain their shape and adhere to the eyelashes during wear, while minimizing the risk of irritation. The lashes have a tapered base end that follows the natural movement of the eyelashes, and a tapered tip end that maintains its position. This design eliminates the conventional adhesive area's high rigidity, allowing the lashes to maintain their natural appearance and prevent peeling. The adhesive is strategically positioned to minimize contact with adjacent lashes, reducing the risk of irritation.

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14. Eyelash Extensions with Specialized Adhesive Area for Secure Attachment to Natural Lashes

CHIKAKO SAKAMOTO, 2010

Eyelash extensions that securely attach to the natural eyelashes using a specialized adhesive. The extensions feature a unique adhesive area that is designed to bond with the natural lash line, providing a natural-looking and long-lasting lash enhancement.

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15. Double-Sided Adhesive Tape with Release Paper Backing for Eyelash Extension

Song Cheol-kyu, SONGCHUL GYU, 2005

A double-sided adhesive tape for eyelash extension that reduces treatment time and vision fatigue. The tape features a film with a release paper backing that allows for easy separation of the adhesive layer from the lashes. The tape is designed for repeated use with individual lashes, with a specific interval between applications. The release paper prevents foreign material from adhering to the treated area, while the adhesive layer ensures secure attachment of the lashes. The tape is specifically engineered for the unique requirements of eyelash extension procedures, with a precise control over lash attachment and separation.

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