Sunscreen Composition Photostabilizers UV Protection
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Solution Overview
Problem
Existing sunscreen compositions struggle to achieve high SPF values without using oxybenzone or octinoxate, which are linked to potential health risks, while also providing effective UV-A protection.
Innovation Solution
A novel sunscreen composition incorporating a combination of photostabilizers, organic and inorganic sunscreen agents, and aesthetic enhancers, such as avobenzone, octocrylene, and titanium dioxide, to enhance SPF values and provide broad-spectrum UV protection without oxybenzone or octinoxate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If oxybenzone or octinoxate are used to achieve high SPF values, then sun protection factor is improved, but health safety deteriorates due to potential links to malignant melanoma and other skin cancers
Solution Approach 1:
The patent removes oxybenzone and octinoxate from the sunscreen formulation, extracting the harmful components while retaining the protective function through alternative ingredients such as avobenzone, octocrylene, and photostabilizers
Solution Approach 2:
The patent employs a composite sunscreen system combining multiple ingredients (avobenzone, octocrylene, octisalate, meradimate, and photostabilizers) to achieve high SPF protection without relying on single problematic chemicals, thereby maintaining efficacy while improving safety
2Reliability
If conventional sunscreen formulations are used to achieve high SPF, then sun protection is improved, but photostability deteriorates leading to degradation of sunscreen agents
Solution Approach 1:
The patent introduces photostabilizers (such as polyester-8 and diethylhexyl syringylidene malonate) as intermediary substances that protect the sunscreen agents from UV-induced degradation, thereby maintaining photostability and extending the effective life of the active ingredients
Solution Approach 2:
The formulation combines multiple sunscreen agents with complementary photoprotective properties and stabilizing ingredients to create a synergistic system that maintains both high SPF and excellent photostability throughout product shelf life and during sun exposure
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 unexpectedly high SPF values and effective UV-A protection, reducing health risks associated with previous sunscreen ingredients, while maintaining a cosmetic acceptability and aesthetic feel.
Implementation Method 1
oxybenzone may boost SPF value by its absorption of short wave UV-A rays
Implementation Method 2
Prior sunscreen formulations with high SPF values usually comprise oxybenzone or octinoxate... However, there is some evidence... that particular sunscreen ingredients such as oxybenzone, benzophenone, or octinoxate may cause safety concerns
Data Source
AI summary
Methods and composition for the protection of an object from UV light are provided. For example, in certain aspects, the composition can include a plurality of photo stabilizers that enhance SPF values of the composition. Furthermore, the invention provides for the use of the compositions.