Topical Composition Reducing Textile Staining via D-panthenol Mediation

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Sun care products containing UVA filters like BEMT often cause textile staining, leading consumers to apply less sunscreen, compromising UV protection, and there is a need for preservative-free or alternative preservation systems.

Innovation Solution

Incorporating D-panthenol in specific weight ratios with BEMT and p-hydroxyacetophenone in topical compositions reduces textile staining and facilitates the removal of UVA filters, ensuring effective UV protection while addressing preservation concerns.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If UVA filters like BEMT are used in sun care products, then UVA protection is improved, but textile staining increases

Engineering Contradiction:

ImproveUVA protectionVSAvoidtextile staining

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

D-panthenol acts as an intermediary substance that modifies the interaction between BEMT and textile fibers. The panthenol forms a complex with BEMT that has reduced affinity for textile materials, thereby mediating the harmful staining effect while preserving the UV filtering capability of BEMT

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention changes the chemical parameters of the UVA filter system by combining BEMT with D-panthenol in specific weight ratios (at least 1:1, preferably at least 1.1:1, more preferably at least 1.25:1). This parameter change modifies the physical-chemical properties of the filter complex, reducing its tendency to stain textiles while maintaining photoprotective function

Inventive Principle:

Principle #35Parameter changes

2Object-generated harmful factors

If consumers apply less sunscreen to avoid staining, then textile staining is reduced, but UV protection decreases

Engineering Contradiction:

Improvetextile stainingVSAvoidUV protection

Core Design Contradiction:

Object-generated harmful factorsVSReliability

Solution Approach 1:

D-panthenol serves as a mediator that allows full application of sunscreen without staining concerns. By modifying the BEMT-textile interaction, it enables consumers to apply sufficient product for adequate protection while the panthenol-BEMT complex prevents fabric discoloration

Inventive Principle:

Principle #24Intermediary (Mediator)

3Stability of the object's composition

If conventional preservation systems are used, then product stability is improved, but consumer acceptance decreases due to preservative concerns

Engineering Contradiction:

Improveproduct stabilityVSAvoidconsumer acceptance

Core Design Contradiction:

Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

D-panthenol exhibits multi-functionality in the formulation: it serves both as a skin-conditioning agent and as an alternative preservation system. This universal functionality allows the product to maintain stability while meeting consumer demands for preservative-free or alternative preservation formulations

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The formulation uses D-panthenol and HAP to create a self-preservation system that does not require traditional preservatives. The panthenol-HAP combination provides inherent stability and preservation properties, allowing the product to protect itself without adding separate preservative components that consumers may wish to avoid

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS11547646B2Topical composition

Publication Date: 2023.01.10 DSM IP ASSETS BV

AI summary

The present invention relates to topical compositions comprising D-panthenol, bis-ethylhexyloxyphenol methoxyphenyl triazine (BEMT) and hydroxyacetophenone (HAP) in specific weight ratios which show less staining.