Topical Salicylic Acid Composition With Penetration Enhancers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Cosmetic compositions containing high concentrations of salicylic acid for skin tightening and brightening are typically prescription-only and irritating to sensitive skin types.
Innovation Solution
A topical formulation combining 0.01 wt% to 4.5 wt% salicylic acid with an epidermal penetration enhancer, such as alkoxyglycol or isosorbide, achieves similar or better results without the need for prescription and reduces skin irritation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high concentration of salicylic acid (5%) is used for skin tightening and brightening, then treatment effectiveness is improved, but skin irritation increases and prescription requirement is imposed
Solution Approach 1:
The patent introduces penetration enhancers (such as alkoxyglycols, isosorbides, or their derivatives) as intermediary substances that facilitate the delivery of low concentrations of salicylic acid through the skin barrier. These enhancers act as carriers that enable effective penetration without requiring high concentrations of the active ingredient, thus reducing irritation while maintaining treatment effectiveness.
Solution Approach 2:
The patent changes the concentration parameter of salicylic acid from the conventional high concentration (5%) to low concentrations (0.01-4.5%), and compensates for this parameter change by introducing and optimizing penetration enhancer components. This parameter transformation allows the formulation to achieve effective skin penetration and treatment results without the harmful effects associated with high concentrations.
2Reliability
If high concentration of salicylic acid (5%) is used for acne treatment, then treatment effectiveness is improved, but prescription requirement is imposed
Solution Approach 1:
The patent transforms the salicylic acid concentration parameter from 5% (prescription-only range) to 0.01-4.5% (over-the-counter range). This parameter change enables the formulation to be available without prescription while maintaining adequate treatment effectiveness through the synergistic action of penetration enhancers.
Solution Approach 2:
Penetration enhancers serve as intermediary substances that enhance the delivery and efficacy of low concentrations of salicylic acid, allowing the formulation to achieve prescription-level effectiveness without requiring prescription status.
3Object-affected harmful factors
If low concentration of salicylic acid (0.01-4.5%) is used, then skin irritation is reduced, but penetration effectiveness may be compromised
Solution Approach 1:
The patent employs penetration enhancers as intermediary substances that specifically target and facilitate the transport of salicylic acid through the skin barrier at low concentrations. These enhancers create pathways or enhance membrane permeability, ensuring that even trace amounts of salicylic acid achieve effective penetration and treatment results.
Solution Approach 2:
The patent creates a composite formulation combining salicylic acid with specific penetration enhancer components (alkoxyglycols, isosorbides, and their derivatives). This composite approach synergistically combines the mild nature of low-concentration salicylic acid with the penetrating properties of the enhancer molecules, achieving both low irritation and high penetration effectiveness.
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 formulation effectively treats acne, improves skin tightening and brightening, and reduces redness without requiring a prescription, making it suitable for sensitive skin types.
Implementation Method 1
combining about 0.01 wt % to about 4.5 wt % of salicylic acid with an epidermal penetration enhancer was able to achieve similar or even better results
Data Source
AI summary
Disclosed in certain embodiments herein is a topical formulation including an epidermal penetration enhancer and about 0.01 wt % to about 4.5 wt % of salicylic acid. A delivery system is also provided including a topical formulation having 0.01 wt % to about 4.5 wt % of salicylic acid. The topical formulation is used in a method to treating brightening and tightening of the skin, along with acne.