Self-Buffering Skin Peel Composition with Dual Mechanisms
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Solution Overview
Problem
Current skin peel compositions often cause discomfort due to burning sensations and require frequent application or neutralization, and they do not effectively address dark spots and uneven skin tone.
Innovation Solution
A cosmetic composition combining beta-hydroxy acids, alpha-hydroxy acids, organic polyphosphoric acids, and acid-stable hydrolytic enzymes that self-buffer, reducing acid concentration needed and providing dual peeling mechanisms for minimal discomfort and enhanced skin brightening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional skin peel compositions are applied to achieve effective peeling, then the peeling effect is achieved, but burning sensation and discomfort occur
Solution Approach 1:
The patent changes the pH parameter of the composition over time through self-buffering components. The composition starts at low pH (2.5-4.0) for effective peeling, then gradually increases to neutral pH (6.0-8.0) within 4-12 hours, reducing burning sensation while maintaining peeling efficacy. This dynamic parameter change resolves the contradiction between effective peeling and minimal discomfort.
Solution Approach 2:
The composition contains self-buffering components (alkaline substances like sodium carbonate, potassium hydroxide, or amino acids) that automatically neutralize the acid without external intervention. The system self-regulates its pH, eliminating the need for separate neutralization steps and reducing harmful effects while maintaining peeling effectiveness.
2Reliability
If conventional skin peel compositions are applied to achieve peeling, then the peeling effect is achieved, but frequent application or neutralization is required
Solution Approach 1:
The self-buffering components automatically neutralize the acid within 4-12 hours, allowing the composition to remain on the skin without external intervention. This eliminates the need for frequent washing or separate neutralization steps, reducing time loss while maintaining effective peeling.
Solution Approach 2:
The composition maintains its peeling action continuously over an extended period (4-12 hours) before automatic neutralization. This continuous effective action reduces the need for frequent reapplication, saving time while ensuring reliable peeling results.
3Reliability
If conventional skin peel compositions are applied to address dark spots, then some lightening effect is achieved, but enhanced brightening and dark spot reduction is insufficient
Solution Approach 1:
The patent combines multiple active ingredients with complementary functions: alpha-hydroxy acids (glycolic, lactic) for exfoliation and brightening, beta-hydroxy acids (salicylic) for pore cleaning, organic polyphosphoric acids (phytic) for melanin inhibition, and epsilon-amino acids (tranexamic) for pigment reduction. This composite formulation achieves enhanced brightening and dark spot reduction while maintaining reasonable manufacturing complexity.
Solution Approach 2:
The composition performs multiple functions simultaneously: chemical peeling, skin brightening, dark spot reduction, and self-neutralization. This multi-functionality enhances the lightening effect on dark spots without requiring separate treatments, improving efficacy while keeping the composition integrated and manufacturable.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The composition achieves effective skin peeling with minimal discomfort and enhanced brightening effects, reducing dark spots and improving skin texture without the need for external buffers or frequent washing.
Implementation Method 1
the skin peel compositions utilize both acidic peeling mechanisms and a hydrolytic enzyme to achieve a desired level of peeling
Implementation Method 2
the compositions comprise a combination of both an organic polyphosphoric acid (e.g., phytic acid) and an epsilon-amino acid (e.g., tranexamic acid) which aid in achieving desired skin brightening
Implementation Method 3
the skin is able to self-buffer back to its natural pH (~5-6) after a period of about 4-10 hours without application of any exogenous buffer
Data Source
AI summary
The present invention relates to compositions for peeling of surface skin of a subject and methods of using the compositions. Such compositions and methods are useful for improving the appearance of the skin.