AI Patent Watch: Redefining skincare with Revieve, L’Oreal, and  Amorepacific

A person in a white bathrobe with a towel wrapped around their head wears a gold facial mask and looks at a smartphone in a bright bathroom.

May 27, 2026

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Highlights:
  • Recent patents show how AI and wearable tech are making skincare and makeup more personalized, accurate, and all-in-one instead of separate tools and apps.
  • Revieve’s patent uses the white of the eye to help fix lighting issues in selfies, making skin tone matching and virtual makeup try-ons more accurate without extra tools.
  • L’Oréal’s wearable mask combines skin analysis, skincare treatments, and makeup application into one structured device that works directly on different areas of the face.
  • Amorepacific’s system uses AI to suggest makeup and generate realistic virtual try-ons while keeping the user’s real facial features unchanged.

Consumers have long faced the limitations of generalized skincare and cosmetic products that fail to account for individual skin characteristics. While the beauty industry has introduced mobile applications and virtual try-on tools, these solutions are often constrained by inconsistent lighting conditions, inaccurate shade matching, and a fragmented ecosystem of standalone products.

Recent advances in artificial intelligence and augmented reality are beginning to close this gap by linking digital beauty experiences with more precise, data-driven personalization. The AI-powered makeup and skincare market is rapidly expanding as brands adopt computer vision for real-time skin analysis, wearable device ecosystems, and generative AI models capable of simulating highly tailored beauty routines.

Biometric color calibration for accurate skin tone matching

The patent describes a skin tone determination system that improves cosmetic product matching by using facial image normalization based on sclera (white part of the eye) color reference and intelligent skin region selection, enabling more accurate digital skin tone detection and product recommendation without requiring physical color calibration tools.

Consumers frequently looking for the correct cosmetic shade via mobile applications are often inconvenienced by poor lighting conditions, imperfect camera sensors, or shadows that cast a dark hue over their image. To fix this, traditional methods have required users to inconveniently hold a physical standardized color calibration card in the frame while taking the photo

U.S. Patent No. 12,079,854 introduces a server-based image processing method that improves skin tone accuracy by using the user’s own eye sclera as a natural color reference point for normalization.

Instead of relying on external calibration tools, the system first identifies the sclera region in a facial image and extracts its representative pixel value. Since sclera color is relatively consistent across individuals, it serves as a stable internal reference for correcting lighting and color distortion in the image.

The system then identifies skin regions within the same image using automated analysis or user selection through a device interface. It further refines these regions by removing non-skin features and selecting sampling areas with sufficient size and uniformity.

Determining a skin tone of a user using an image of a face taken with a camera

Once both reference and skin regions are identified, the system normalizes pixel values across the image to correct for lighting variations and environmental inconsistencies. After normalization, it computes a representative skin tone value from the refined skin region.

This corrected skin tone is then matched against a predefined palette of skin tones to determine the closest match, which is used for cosmetic product recommendation.

The patent, titled ‘System and method for determining a skin tone’, was filed on September 30, 2020, and was granted on September 3, 2024 to Revieve. The inventor listed is Jakke Kulovesi. Ziegler IP Law Group represented Revieve in the filing. 

Smart mask redefining at-home skincare precision

Skin analysis is often performed through smartphone apps or imaging devices that estimate conditions like texture, pigmentation, or hydration. Cosmetic application remains largely manual, relying on human skill and alignment. Treatment devices, even when wearable, are usually designed as single-function systems with limited integration into broader diagnostic or cosmetic workflows.

U.S. Pat. App. Pub. No. 2026/0041929 introduces a structured wearable platform that physically stabilizes device placement relative to the user’s face using a grid system embedded in the mask.

This grid acts as a spatial reference map, allowing optical and electrical skin analysis to be tied to exact facial regions. Because therapy devices such as LED emitters, microcurrent electrodes, RF warming modules, or cold plasma applicators attach to fixed positions on the mask, treatments can be delivered consistently to the same areas without repositioning or manual adjustment.

A key feature is the integration of a jig-guided printer device that enables precise cosmetic application, such as eyebrow styling, by mechanically constraining the movement and placement of the applicator relative to the face.This invention describes a modular wearable facial mask system that unifies skin analysis, cosmetic application, and multi-modal therapy by anchoring multiple treatment and imaging devices to a fixed grid-based structure on the face, enabling precise, repeatable, and coordinated at-home cosmetic and dermatological workflows.

Today’s cosmetic and skin-care technologies are highly fragmented. Consumers and professionals use separate tools for imaging skin conditions, applying makeup, and delivering treatments such as LED light therapy, microcurrents, RF heating, or other energy-based procedures. These devices are typically handheld, free-moving, or standalone wearable products that operate independently of each other.

Wearable modular mask system configured for light therapy, cold plasma treatment, acoustic energy treatment, or any combination

The system further integrates control circuitry and external computational devices such as smartphones or tablets, enabling real-time coordination between imaging, analysis, and treatment selection. This allows user-specific profiles to guide automated or semi-automated cosmetic and therapeutic routines.

Additional modular elements, including detachable facial sections, scalp coverage, and smartphone camera alignment apertures, extend functionality while maintaining consistent spatial registration across treatments.

The patent, titled “Modular combination mask device for facial diagnosis and treatment”, was filed on August 5, 2025, and was published on February 12, 2026 to L’Oreal. The inventor listed is Grégoire Charraud.

Hyper-realistic virtual try-ons powered by generative AI

This patent describes a generative AI-based virtual makeup system that analyzes facial structure and color features from a user image to recommend personalized makeup shades and realistically apply them using diffusion models. 

Virtual makeup try-on features have become a critical tool for digital beauty platforms, but older technologies often rely on basic mapping or Generative Adversarial Networks (GANs) to synthesize color and facial features together. These legacy methods frequently distort the user’s actual facial structure during the image generation process resulting in an uncomfortable and  artificial look. In effect, consumers are often discouraged to use traditional digital recommendations.

U.S. Pat. App. Pub. No. 2026/0120368 introduces a multi-stage generative AI pipeline that separates facial analysis, makeup color recommendation, and image synthesis into distinct but coordinated components.

First, a feature extraction module analyzes a user’s face image using deep learning models to identify structural features such as facial contours, landmarks, proportions, and key color attributes including skin tone, lip color, and iris color. This ensures a richer and more accurate representation of the user’s appearance.

Next, this facial feature information is passed into an LLM-based generative AI model trained through instruction tuning. Instead of directly generating images, the LLM outputs structured makeup color recommendations in the form of semantic keywords. This step improves interpretability and allows the system to reason about color selection based on facial characteristics.

Schematic  of a virtual makeup solution

Finally, a diffusion-based generative AI model such as Stable Diffusion generates the virtual makeup image. The system converts the recommended color keywords into prompts and applies them to specific segmented regions of the face. In some implementations, the face is divided into makeup zones, and each region is processed separately before being recombined into a final image, improving realism and spatial accuracy.

To further enhance personalization, the system includes a feedback mechanism where users can select preferred lip colors, which then guide the recommendation of complementary eye shadow and blush shades from a prebuilt database.

The patent filing, titled “Virtual makeup solution providing system using generative artificial intelligence”, was filed on October 31, 2025, and was published on April 30, 2026 to Amorepacific  and Korea Advanced Institute of Science and Technology (KAIST). The inventors listed are Seongmin Jeong Myeongjin Goh, Geonyeong Park, Serin Yang, Hee Chan Jeon, Inhwa Han, and JongChul Ye.

These patented breakthroughs signal a shift away from traditional cosmetic testing and fragmented beauty tools. As AI evolves from basic recommendation systems to advanced generative models and precision hardware, everyday beauty routines are becoming more digital, personalized, and automated.

Looking ahead, users will be able to assess skin health through image-based analysis, preview AI-generated looks, and use modular wearable devices for targeted treatments. Together, these advances are building a unified beauty ecosystem that delivers more consistent, data-driven, and professional-grade care, moving the industry from generic products toward precision beauty technology.

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