Sucrose Ester Hair Styling Agents for Lightweight Hold

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Solution Overview

Problem

Existing hair styling products for temporary deformation of keratin fibers are often perceived as tough, sticky, and difficult to apply, leaving an oily, weighing feeling, which is undesirable for consumers seeking a pleasant and lightweight product experience.

Innovation Solution

A cosmetic agent combining mono- and diesters of alkylated sugars with C6-C30 fatty acids, film-forming polymers, beeswax, fatty acids, and water, with specific concentrations and additives, to provide a high hold and pleasant feel without the negative attributes of traditional products.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If synthetic polymers are used as shaping components in high concentrations to achieve strong hairstyle hold, then the hold strength is improved, but the product consistency becomes tough and sticky, making it difficult to apply and leaving an oily, weighing feeling

Engineering Contradiction:
Improvehairstyle holdVSAvoidapplication ease
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The patent changes the chemical composition parameters by replacing traditional synthetic polymers with sucrose esters (mono- and diesters of sucrose with fatty acids). This fundamental parameter change allows achieving strong hairstyle hold through the film-forming properties of sucrose esters while maintaining a pleasant, non-sticky consistency that is easy to apply, thus resolving the contradiction between hold strength and application ease

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses a composite system combining sucrose esters with other compatible ingredients including fatty acids, alcohols, and water to create a formulation that achieves both strong hold and pleasant consistency. The composite nature of sucrose esters (combining carbohydrate and lipid components) provides both the necessary adhesion for hold and the desired sensory properties for easy application

Inventive Principle:
Principle #40Composite materials

2Strength

If synthetic polymers are used to provide strong hairstyle hold, then the hold strength is improved, but the product leaves an oily, weighing feeling on the hair

Engineering Contradiction:
Improvehairstyle holdVSAvoidoily weighing feeling
Core Design Contradiction:
StrengthVSObject-generated harmful factors

Solution Approach 1:

The patent fundamentally changes the chemical parameter from synthetic polymers to sucrose esters, which are natural derivatives with superior sensory properties. Sucrose esters provide the necessary hold through their film-forming capabilities while their molecular structure (combining hydrophilic sucrose and hydrophobic fatty acid chains) prevents the oily, weighing feeling associated with traditional polymers, thus eliminating the harmful effect while maintaining the desired strength

Inventive Principle:
Principle #35Parameter changes

3Duration of action of stationary object

If traditional styling agents are formulated to provide long-lasting hold, then the duration of action is improved, but the hair becomes brittle and inflexible

Engineering Contradiction:
Improvestyle longevityVSAvoidhair flexibility
Core Design Contradiction:
Duration of action of stationary objectVSStrength

Solution Approach 1:

The patent changes the chemical composition from rigid synthetic polymers to more flexible sucrose esters. The ester linkages and molecular structure of sucrose esters create a film that is both durable for long-lasting hold and flexible enough to maintain hair movement and prevent brittleness, thus resolving the contradiction between style longevity and hair flexibility

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent copies the beneficial properties of natural substances (sucrose esters occur naturally in some plant secretions) to create a styling agent that provides long-lasting hold without the harmful brittleness associated with synthetic polymers. The natural origin of sucrose esters gives them inherent flexibility while maintaining durability

Inventive Principle:
Principle #26Copying

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 solution offers a lightweight, pleasant-to-apply hair styling product with strong hold and a soft, shiny finish, maintaining hair health while ensuring long-lasting style without brittleness or inflexibility.

Implementation Method 1

The agents according to the invention contain film-forming polymer

Methodology Applied
Scientific EffectFilm formation:

Implementation Method 2

A first object of the present invention is the use of a cosmetic agent with a density of 0.3 g/cm3

Methodology Applied
Scientific EffectSurface tension reduction: Surfactant

Data Source

PatentEP2717843B1Styling agents with an interesting texture
Publication Date: 2016.10.12 HENKEL KGAA
  • EP2717843B1 patent drawing
  • EP2717843B1 patent drawing
  • EP2717843B1 patent drawing

AI summary

The invention relates to agents for temporarily shaping keratinous fibres, characterised by a pleasant product haptic, a light consistency and a lightweight application. Said agents contain the following, in a cosmetically acceptable carrier, in proportions relating to the total weight: 0.1 to 15 % by weight of monoesters of preferably alkylated sugars comprising C6-C30 fatty acids, 0.1 to 15 % by weight of diesters of preferably alkylated sugars comprising C6-C30 fatty acids, 0 to 50 % by weight of at least one film-forming polymer, 0 to 50 % by weight of at least one wax with a melting point ranging between 40°C and 90°C, with the proviso that the proportion of components c) and d) in the cosmetic agent is 0.2 to 50 % by weight.