Skin Lightening Perfume Compositions
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Solution Overview
Problem
Current skin lightening personal care products face challenges in achieving high skin lightening efficiency at low concentrations while maintaining an acceptable odor, as existing fragrant skin lightening compounds often result in overpowering fragrances when used in high concentrations, limiting the creative scope for perfumers and consumer acceptance.
Innovation Solution
The use of a combination of at least three skin lightening perfume compounds, such as 4-(methyloxy)benzaldehyde, Phenyl Ethyl Salicylate, and 4-[4-(methyloxy)phenyl]butan-2-one, in concentrations between 0.5% and 10% in personal care products, along with optional ingredients like 2-[2-(4-methyl-3-cyclohexen-1-yl)-propyl]-cyclopentanone, to enhance skin lightening effects while maintaining a pleasant fragrance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high concentrations of single fragrant skin lightening compound are used, then skin lightening effect is improved, but fragrance becomes overpowering and consumer acceptance decreases
Solution Approach 1:
The patent divides the single high-concentration skin lightening compound into multiple lower-concentration compounds (at least three different fragrant compounds), each contributing to the overall skin lightening effect while distributing the fragrance load to avoid overpowering notes
Solution Approach 2:
The patent creates a composite fragrance formulation by combining at least three different fragrant skin lightening compounds, where the synergistic effect of multiple compounds provides enhanced skin lightening activity while the diverse fragrance profile maintains consumer acceptability
2Object-generated harmful factors
If low concentrations of skin lightening compounds are used, then fragrance acceptability is improved, but skin lightening efficiency decreases
Solution Approach 1:
The patent merges the effects of at least three different fragrant skin lightening compounds, where the combined activity of multiple compounds at low concentrations (0.05-3% each) achieves skin lightening efficacy comparable to or exceeding single high-concentration formulations
Solution Approach 2:
The patent changes the concentration parameter from high single-compound concentration to low multi-compound concentrations, optimizing both the skin lightening efficiency and fragrance acceptability by distributing the total active ingredient load across multiple compounds
3Device complexity
If limited variety of skin lightening compounds is used, then formulation simplicity is maintained, but perfumer creative scope and product differentiation are reduced
Solution Approach 1:
The patent expands the parameter space by introducing at least three different fragrant compounds with varying fragrance profiles and skin lightening mechanisms, enabling perfumers to create diverse fragrance accords while maintaining standardized formulation protocols
Data Source
AI summary
The invention relates to methods of cosmetic lightening of human skin, perfume compounds and perfume compositions that have a skin lightening effect and personal care products for application to human skin comprising such skin lightening perfume compounds and perfume compositions. A number of perfume compounds not known before to have a skin lightening effect were identified. These fragrant skin lightening compounds provide the perfumer with a larger palette of fragrance notes and provide more possibilities to create desired fragrance accords in skin lightening perfume compositions and skin lightening personal care products. Skin lightening perfume compositions and skin lightening personal care products according to the invention comprise at least three of the identified fragrant skin lightening compounds.