Botanical Skin Cleanser Formulation for pH Balance and Hydration

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Solution Overview

Problem

Current cosmetic cleansers often contain high levels of surfactants and alcohol, which can be irritating to the skin, and typically require high water content, limiting the inclusion of beneficial ingredients like moisturizers and skin actives, and fail to accommodate various skin types effectively.

Innovation Solution

A topical skin cleanser formulation combining botanical ingredients such as Silybum marianum fruit extract, Momordica grosvenorii fruit extract, and a cosmetic vehicle with a high water content, along with additional ingredients like glycerin and disodium EDTA, tailored for different skin types (dry, normal, oily, and combination skin) to provide effective cleansing while maintaining skin pH and hydration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If high levels of surfactants and alcohol are used in cleansers, then cleansing effectiveness is improved, but skin irritation increases

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

Solution Approach 1:

The patent changes the chemical composition parameters by replacing traditional surfactants with alternative cleansing agents and adjusting the concentration of botanical extracts and skin-conditioning ingredients to achieve effective cleansing without irritation

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite formulation combining multiple botanical extracts (Silybum marianum, Momordica grosvenorii, Plumeria alba, Nymphaea gigantea, Kunzea ericoides, Psidium guajava) with skin-conditioning ingredients to produce a cleanser that delivers both cleansing and skin benefits simultaneously

Inventive Principle:
Principle #40Composite materials

2Quantity of substance

If high water content is used in cleansers, then skin hydration is improved, but the ability to include beneficial ingredients is limited

Engineering Contradiction:
Improvewater contentVSAvoidingredient inclusion capability
Core Design Contradiction:
Quantity of substanceVSAdaptability or versatility

Solution Approach 1:

The patent optimizes the water content parameter to specific ranges (50-70% for general formulation, 70-80% for dry skin, 50-60% for oily skin) and adjusts the concentrations of active ingredients accordingly to maintain formulation stability and efficacy while accommodating high water content

Inventive Principle:
Principle #35Parameter changes

3Device complexity

If a single cleanser formulation is used for all skin types, then product simplicity is improved, but skin-type specific effectiveness is reduced

Engineering Contradiction:
Improveproduct formulation complexityVSAvoidskin-type specific effectiveness
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent segments the single base formulation into multiple skin-type-specific variations by adjusting the concentration and type of botanical extracts and skin-conditioning ingredients for different skin types (dry, normal, oily, combination), while maintaining a common base framework

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by tailoring specific ingredients and their concentrations to match the needs of different skin types in different body areas, with each formulation variant containing skin-conditioning ingredients specifically suited to its target skin type

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS8877259B2Cosmetic formulation
Publication Date: 2014.11.04 MARY KAY INC
  • US8877259B2 patent drawing

AI summary

Disclosed is a topical skin cleanser comprising Silybum marianum fruit extract, Momordica grosvenorii fruit extract, and a cosmetic vehicle comprising at least 50% by weight of the composition of water and disodium EDTA, glycerin, phenoxyethanol, triethanolamine, 3-Iodo-2-propynyl butyl carbamate, and benzyl alcohol.