Cleansing composition with carnosine, magnesium, caffeine

ChangeBridge: Patent Apps - Pharma (A61K)

Published December 4th, 2025

Detected March 26th, 2026

Summary

The USPTO has published a new patent application (US20260083658A1) for a personal cleansing composition. The composition includes carnosine, magnesium salt, caffeine, and transdermal absorption enhancers, designed for use in products like shower gels and soaps.

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What changed

This document is a patent application (US20260083658A1) filed with the USPTO, detailing a personal cleansing composition. The composition features carnosine, magnesium salt, and caffeine, forming a carnosine-magnesium complex upon contact with water. It also includes transdermal absorption enhancers such as salicylic acid or azone oil.

While this is a patent application and not a regulatory rule, it signals potential new product formulations in the personal care and cosmetic industry. Manufacturers and product developers in this sector should be aware of emerging ingredient combinations and delivery systems that may become commercially available. No immediate compliance actions are required, but it indicates innovation in the field of topical formulations.

Source document (simplified)

← USPTO Patent Applications

Personal Cleansing Composition

Application US20260083658A1 Kind: A1 Mar 26, 2026

Inventors

Daniel Byrne

Abstract

A personal cleansing composition having comprising a physiologically active amount of carnosine, wherein the personal cleansing composition is in the form of a shower gel, bubble bath, soap, or water-soluble delivery agent. The personal cleansing composition further comprises physiologically active ingredients including magnesium salt and caffeine in an amount of approximately 0.1% to 1.0% by weight of the total composition. The carnosine and magnesium salt form a carnosine-magnesium complex on activation with water, and wherein the personal cleansing composition further comprises transdermal absorption enhancers for the delivery of the physiologically active ingredients selected from the group consisting of salicylic acid in an amount of approximately 0.5% to 2.0% by weight of the total composition and azone oil in an amount of approximately 0.25% to 1% by weight of the total composition.