Personalized Lip Applicator via 3D Scan and Additive Manufacturing
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Solution Overview
Problem
Existing methods for applying cosmetic compositions to lips fail to provide a personalized, accurate, and harmonious make-up look, especially for individuals with unique lip shapes or those with visual or motor skills challenges, leading to unsatisfactory results and reduced frequency of lip make-up application.
Innovation Solution
A method involving 3D scanning of the lips to create a personalized applicator with a reworked outline that diverges from the natural shape, allowing for precise application of cosmetic compositions, enabling quick and accurate make-up application without the need for mirrors or extensive training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard applicator with predetermined mouth shape is used, then the application process is simple, but it does not conform to the three-dimensional morphology of individual lips and leaves regions uncovered
Solution Approach 1:
The patent performs a 3D scan of the user's lips in advance to capture the exact morphology, then uses this data to generate a personalized applicator design before manufacturing. This preliminary action ensures the applicator will perfectly conform to the individual's lip shape, solving the problem of standard applicators leaving regions uncovered while maintaining ease of use.
2Ease of operation
If the applicator outline follows the natural lip outline, then the application is easy, but it is difficult to achieve an attractive result for individuals with thin, wide, asymmetric or badly proportioned lips
Solution Approach 1:
The system allows users to define a desired outline in advance through image processing and 3D model generation, before the applicator is manufactured. This preliminary design phase enables individuals with thin, wide, or asymmetric lips to create an aesthetically pleasing outline that diverges from their natural lip shape, while the pre-personalized applicator ensures easy and accurate application without requiring manual outlining skill.
Solution Approach 2:
The patent creates a digital 3D copy of the user's lips through scanning, then generates a modified 3D model that incorporates the desired outline. This digital copying and modification process allows the user to visualize and adjust the makeup effect before manufacturing the physical applicator, ensuring both aesthetic quality and ease of application.
3Manufacturing precision
If successive removals and reapplications of make-up are performed to achieve a satisfactory result, then the outline accuracy may improve, but the procedure becomes lengthy and irritates the mucous membranes
Solution Approach 1:
The patent performs the complex task of outline design and applicator customization in advance, before the actual makeup application. The personalized applicator is manufactured with the exact desired outline already incorporated, allowing the user to achieve accurate results in a single application without repeated removals and reapplications, thereby saving time and avoiding mucous membrane irritation.
4Manufacturing precision
If a pencil is used to create clean outlines, then the make-up look may be cleaner, but it is not always easy to use especially when not wishing to follow the natural outline of the lips
Solution Approach 1:
The patent creates a digital 3D copy of the user's lips and the desired outline, then uses this digital model to manufacture a physical applicator that embodies the exact outline design. This copying process transfers the complexity of outline design from the application phase to the manufacturing phase, resulting in a clean, precise outline that is applied easily without requiring manual pencil work or adherence to natural lip contours.
Data Source
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Figure 3(a)~4(b)
Figure 5(a)~6(c)
AI summary
Method for manufacturing a personalized applicator (1) for applying a cosmetic composition to the lips, this applicator (1) comprising an application surface (2) made from a material that can become loaded with composition, the method comprising the following steps: a) performing a 3D scan of the topography of at least part of the surface of the lips, and b) from at least said scan, creating at least part of the applicator (1) or a mold used for the manufacture thereof, by machining a preform or by additive manufacturing.