Zinc Oxide Skincare Composition with Plant Oils

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Solution Overview

Problem

Diaper rash is a common and uncomfortable skin condition caused by various factors, including skin sensitivity, bacterial or fungal infections, and irritation from diapers or cleaning products, requiring effective treatments that provide immediate relief and prevent further irritation.

Innovation Solution

A skin care composition combining zinc oxide with coconut oil, tea tree oil, citronella oil, and lemongrass oil, along with additional ingredients like purified water, disodium EDTA, and emulsifiers, to create a barrier against moisture and irritants while providing antibacterial, antifungal, and anti-inflammatory benefits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If zinc oxide is used at high concentration to treat diaper rash, then skin protection and anti-inflammatory effects are improved, but the composition may cause skin irritation or sensitivity in some users

Engineering Contradiction:
Improveskin protection effectivenessVSAvoidskin irritation
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent combines zinc oxide with multiple plant-derived oils (coconut oil, tea tree oil, citronella oil, lemongrass oil) to create a composite formulation. This composite approach allows the zinc oxide to provide its protective and anti-inflammatory benefits while the plant oils contribute additional soothing, antibacterial, and antifungal properties that reduce potential irritation, thus resolving the contradiction between effectiveness and skin sensitivity.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent specifies a controlled concentration range for zinc oxide (5-30 wt/wt %) rather than using maximum concentrations. This parameter optimization ensures sufficient therapeutic effect while minimizing the risk of skin irritation. The balanced formulation adjusts the zinc oxide level to achieve the right threshold for effectiveness without exceeding the tolerance limit of sensitive skin.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If multiple active ingredients are combined to provide comprehensive treatment, then therapeutic effectiveness is improved, but formulation complexity increases

Engineering Contradiction:
Improvetherapeutic effectivenessVSAvoidformulation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Each ingredient in the formulation serves multiple functions: zinc oxide provides barrier protection, anti-inflammatory, and antibacterial effects; coconut oil offers moisturization and antimicrobial properties; tea tree oil contributes antibacterial and antifungal activity; citronella and lemongrass oils provide additional antimicrobial and soothing benefits. This multi-functionality allows comprehensive treatment without requiring separate products for each function, managing complexity through ingredient versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges multiple therapeutic functions into a single integrated cream formulation. Instead of requiring separate products for barrier protection, anti-inflammatory treatment, and infection prevention, all these functions are combined in one composition that can be applied simultaneously, simplifying the treatment regimen despite the multifunctional complexity of the formulation itself.

Inventive Principle:
Principle #5Merging (Combining)

3Object-affected harmful factors

If natural oils are used to soothe skin, then gentleness on sensitive skin is improved, but the composition may become less stable or more prone to oxidation

Engineering Contradiction:
Improveskin gentlenessVSAvoidformulation stability
Core Design Contradiction:
Object-affected harmful factorsVSStability of the object's composition

Solution Approach 1:

The patent controls the concentration levels of natural oils within specific ranges (coconut oil: 0.1-5 wt/wt %, tea tree oil: 0.00025-0.1 wt/wt %, citronella oil: 0.00025-0.1 wt/wt %, lemongrass oil: 0.01-1 wt/wt %). These optimized parameters ensure sufficient skin-soothing benefits while limiting the total content of oxidation-prone components, thereby maintaining formulation stability and preventing rancidity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The combination of different plant oils creates a synergistic effect where the stable compounds in one oil can protect the more vulnerable compounds in another. For example, coconut oil's saturated fatty acids provide structural stability that helps protect the more unsaturated and oxidation-sensitive components of tea tree, citronella, and lemongrass oils, thus maintaining both gentleness and stability.

Inventive Principle:
Principle #40Composite materials

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 effectively treats and prevents diaper rash by forming a protective barrier, reducing inflammation and infection risk, and promoting skin healing, while also being gentle on sensitive skin.

Implementation Method 1

combining zinc oxide with coconut oil, tea tree oil, citronella oil, and lemongrass oil, along with additional ingredients like purified water, disodium EDTA, and emulsifiers, to create a barrier against moisture and irritants

Methodology Applied
Scientific EffectPhysical barrier formation: Physical Containment

Implementation Method 2

coconut oil with a concentration between about 0.1 and 5 wt/wt %

Methodology Applied
Scientific EffectEmollient action: Absorption (physical)

Implementation Method 3

tea tree oil with a concentration between about 0.00025 and 0.1 wt/wt %

Methodology Applied
Scientific EffectAntibacterial action:

Implementation Method 4

citronella oil with a concentration between about 0.00025 and 0.1 wt/wt %

Methodology Applied
Scientific EffectAntifungal action:

Implementation Method 5

lemongrass oil with a concentration between about 0.01 and 1 wt/wt %

Methodology Applied
Scientific EffectAnti-inflammatory action:

Data Source

PatentUS11529297B2Skincare compositions including zinc oxide
Publication Date: 2022.12.20 GM PHARMA

AI summary

In an embodiment, the present disclosure relates to a composition for treating or preventing a skin condition. In some embodiments, the composition includes zinc oxide with a concentration between about 5 and 30 wt/wt %, coconut oil with a concentration between about 0.1 and 5 wt/wt %, tea tree oil with a concentration between about 0.00025 and 0.1 wt/wt %, citronella oil with a concentration between about 0.00025 and 0.1 wt/wt %, and lemongrass oil with a concentration between about 0.01 and 1 wt/wt %. In a further embodiment, the present disclosure pertains to a composition for treating or preventing a skin condition including zinc oxide with a concentration of about 24 wt/wt %, coconut oil with a concentration of about 1 wt/wt %, tea tree oil with a concentration of about 0.001 wt/wt %, citronella oil with a concentration of about 0.001 wt/wt %, and lemongrass oil with a concentration of about 0.08 wt/wt %.