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DESCRIPTION
Potassium Cocoyl Hydrolyzed Soy Protein (Plantapon SOY) is a versatile ingredient for skin and hair care products, especially for detergent applications with increased skin tolerability.
Thanks to its mild action, it is used in plant-based cleansers and baby care products, reducing the skin irritation of traditional surfactants.
CAS: 169590-92-5
Synonyms
Cocoyl Soy Polypeptide
IUPAC Name
Proteins, soy, hydrolyzed, coco-acyl derivatives, potassium salts
Potassium cocoyl hydrolyzed soy protein (KCHSP) is an innovative surfactant derived from coconut fatty acids and hydrolyzed soy proteins.
Known for its gentle cleansing, excellent foaming properties, and compatibility with skin and hair, it has gained prominence in personal care formulations.
This paper explores its chemical composition, synthesis, physicochemical properties, applications, and environmental and toxicological impact.
A detailed analysis of its use in cosmetics, sustainability, and safety is presented.
Potassium Cocoyl Hydrolyzed Soy Protein (KCHSP) is an innovative, plant-derived surfactant with applications across cosmetics, pharmaceuticals, and sustainable products.
This paper examines its chemical structure, synthesis methods, physicochemical properties, mechanisms of action, and toxicological safety.
As a multifunctional ingredient, KCHSP offers cleansing, foaming, and conditioning benefits while adhering to environmental sustainability standards.
Its role in various industries, emerging research, and future applications are also discussed.
Potassium cocoyl hydrolyzed soy protein is a biodegradable, plant-derived surfactant widely used in cosmetic and personal care products.
It combines the mild cleansing properties of coconut fatty acids with the conditioning benefits of hydrolyzed soy proteins.
Significance in Industry
Growing demand for sustainable and natural ingredients has propelled the popularity of KCHSP.
Balances cleansing efficacy with skin and hair moisturization.
The Rise of Natural Surfactants
With increasing consumer demand for eco-friendly and non-toxic ingredients, natural surfactants like KCHSP have garnered attention.
Derived from renewable resources—coconut oil and soy protein—KCHSP combines gentle cleansing with skin-conditioning properties, making it ideal for "clean beauty" and sustainable personal care formulations.
This study aims to provide a detailed understanding of KCHSP, including its synthesis, properties, and applications, while addressing potential challenges and future innovations.
Chemical Composition and Structure
Molecular Composition
KCHSP is a potassium salt of cocoyl hydrolyzed soy protein, consisting of:
Coconut Fatty Acids: Provides surfactant properties and cleansing ability.
Hydrolyzed Soy Protein: Supplies amino acids and peptides for conditioning and repair.
Structural Characteristics
Amphiphilic Nature:
Hydrophobic fatty acid tail and hydrophilic protein head confer emulsifying and foaming capabilities.
Molecular Weight:
Ranges between 300–1000 Da, depending on hydrolysis conditions.
Molecular Characteristics
Core Structure:
KCHSP is composed of potassium salts of cocoyl fatty acids esterified with hydrolyzed soy proteins.
Amphiphilic Nature:
The hydrophilic soy protein head interacts with water, while the lipophilic coconut fatty acid tail interacts with oils.
Functional Groups
Carboxylate (-COOK): Enhances solubility and foam stability.
Peptides:
Impart conditioning properties by binding to keratin in hair and skin.
Molecular Insights
Diagrams illustrating the amphiphilic nature and micelle formation capabilities of KCHSP can be included here.
Synthesis and Production
Raw Materials
Coconut Oil Fatty Acids:
Sourced from sustainable plantations.
Soy Protein:
Hydrolyzed via enzymatic or acid hydrolysis to produce short peptides.
Synthesis Process
Hydrolysis of Soy Protein:
Enzymatic hydrolysis ensures controlled peptide sizes.
Esterification:
Reaction between coconut fatty acids and hydrolyzed soy proteins.
Neutralization:
Potassium hydroxide neutralizes the product to form the potassium salt.
Physicochemical Properties
Solubility
Soluble in water and compatible with a wide pH range (5–9).
Surfactant Properties
Excellent foaming ability.
Mild cleansing without stripping natural oils.
Stability
Stable under typical storage conditions but sensitive to extreme pH and temperature.
Applications
Cosmetics and Personal Care
Hair Care:
Used in shampoos and conditioners for gentle cleansing and repair.
Enhances hair strength due to amino acid deposition.
Skin Care:
Found in facial cleansers, body washes, and moisturizers.
Reduces dryness and irritation, making it ideal for sensitive skin.
Industrial Applications
Eco-friendly emulsifier in biodegradable cleaning agents.
Additive in natural-based liquid soaps.
Cosmetics
Skin Care: Ideal for sensitive skin cleansers due to its mildness and conditioning effects.
Hair Care: Enhances shine and reduces frizz while gently removing dirt and oil.
Pharmaceuticals
Carrier for hydrophobic drugs in topical creams and transdermal systems.
Household Products
Used in biodegradable dishwashing liquids and fabric softeners.
Cosmetics
Skin Care:
Ideal for sensitive skin cleansers due to its mildness and conditioning effects.
Hair Care:
Enhances shine and reduces frizz while gently removing dirt and oil.
Pharmaceuticals
Carrier for hydrophobic drugs in topical creams and transdermal systems.
Household Products
Used in biodegradable dishwashing liquids and fabric softeners.
Mechanisms of Action
Cleansing
The amphiphilic nature allows effective removal of dirt and oils.
Low irritation potential compared to traditional surfactants.
Conditioning
Soy peptides form a protective film over hair and skin.
Coconut fatty acids enhance lipid replenishment.
Environmental Impact
Biodegradability
Readily biodegradable, breaking down into natural components like amino acids and fatty acids.
Eco-Friendliness
Derived from renewable sources.
Low aquatic toxicity when properly formulated.
Toxicology and Safety
Acute Toxicity
Non-toxic at concentrations used in cosmetics.
LD50 (oral, rat): >2000 mg/kg.
Skin and Eye Irritation
Minimal irritation observed in dermal and ocular studies.
Safe for use in sensitive skin formulations.
Allergenicity
Hydrolyzed proteins reduce allergenic potential compared to full-length soy proteins.
Analytical Methods
Protein Content
Kjeldahl Method:
Determines nitrogen content to estimate protein concentration.
Surface Activity
Surface tension measurement to assess surfactant efficacy.
Molecular Weight Distribution
Gel Permeation Chromatography (GPC):
Analyzes peptide size distribution.
Regulatory and Market Trends
Regulatory Approvals
Approved by global regulatory bodies (e.g., FDA, EU Cosmetics Regulation).
Classified as safe for rinse-off and leave-on applications.
Market Demand
Driven by the rise in vegan and sustainable cosmetics.
CAGR of 6.5% predicted from 2023 to 2030.
Challenges and Future Directions
Challenges
Production cost remains high compared to synthetic surfactants.
Limited availability of enzymatically hydrolyzed soy proteins.
Cost of production remains higher than synthetic alternatives.
Limited supply of enzymatically hydrolyzed proteins.
Innovations
Nanotechnology:
Incorporating KCHSP into nanoemulsions for enhanced performance.
Hybrid Formulations: Combining KCHSP with other natural surfactants.
Development of hybrid surfactants combining KCHSP with other natural ingredients for tailored performance.
Potassium cocoyl hydrolyzed soy protein represents a promising advancement in sustainable surfactants.
Its gentle cleansing, conditioning properties, and environmental benefits align with consumer and regulatory demands for eco-friendly and safe personal care products.
Chemical Composition and Structure
Molecular Interaction:
Hydrogen bonding between hydrolyzed soy proteins and water molecules improves skin hydration.
Lipophilic coconut fatty acids form micelles, capturing dirt and oil.
KCHSP represents a significant advancement in sustainable surfactant technology.
Its combination of mild cleansing, conditioning benefits, and environmental sustainability makes it a cornerstone ingredient for modern formulations. Further research into cost reduction and expanded applications could unlock its full potential.
Diagrams:
Chemical structure of potassium cocoyl hydrolyzed soy protein with labels.
Schematic of micelle formation.
Synthesis and Production
Industrial Processes
Batch Synthesis:
Cost-effective for small-scale production.
Continuous Flow Synthesis:
Ensures high purity and reproducibility at scale.
Optimization Techniques:
Enzymatic hydrolysis with proteases ensures consistent peptide chain lengths.
Green solvents like ionic liquids reduce environmental impact during synthesis.
Applications
In-Depth Exploration by Sector
Cosmetic Formulations:
Anti-aging cleansers using KCHSP for peptide delivery.
Baby products for ultra-gentle cleansing.
Food Industry:
Emulsifying agent in vegan alternatives and dairy-free products.
Pharmaceuticals:
Carrier for hydrophobic drugs in dermatological treatments.
Mechanisms of Action
Peptide Deposition Studies:
In vitro tests showing 20% improved deposition of amino acids on hair compared to CAPB.
Cleansing Kinetics:
Breaks down lipid films efficiently without over-stripping natural oils.
Environmental Impact
Lifecycle Assessment
Production Phase:
30% lower greenhouse gas emissions compared to SLS.
Degradation:
Complete degradation within 28 days in aquatic systems (OECD guidelines).
Eco-Certification:
Complies with COSMOS and ECOCERT standards.
Toxicology and Safety
Long-Term Studies:
Dermal Sensitization: No sensitization observed in patch tests over 6 months.
Cumulative Irritation: Comparable to distilled water in human studies.
Allergy Potential:
Hydrolyzed nature significantly reduces allergenic soy protein epitopes.
Analytical Methods
Protein-Specific Tests:
SDS-PAGE: Confirms hydrolysis into peptides.
HPLC: Separates individual amino acids for quantification.
Surface Properties:
Dynamic Light Scattering (DLS): Measures micelle size distribution.
Regulatory and Market Trends
Global Trends:
Rise in "clean beauty" driving demand for sustainable surfactants like KCHSP.
CAGR: Projected 8.2% annual growth in surfactants by 2030.
Consumer Preferences:
Shifting focus toward multifunctional, mild cleansers with eco-certification.
Future Research Directions
Nanotechnology:
Encapsulation of KCHSP in liposomes for targeted delivery.
Bioengineering:
Development of genetically modified soy for tailored peptide profiles.
SAFETY INFORMATION ABOUT POTASSIUM COCOYL HYDROLYZED SOY PROTEIN (PLANTAPON SOY)
First aid measures:
Description of first aid measures:
General advice:
Consult a physician.
Show this safety data sheet to the doctor in attendance.
Move out of dangerous area:
If inhaled:
If breathed in, move person into fresh air.
If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact:
Take off contaminated clothing and shoes immediately.
Wash off with soap and plenty of water.
Consult a physician.
In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Continue rinsing eyes during transport to hospital.
If swallowed:
Do NOT induce vomiting.
Never give anything by mouth to an unconscious person.
Rinse mouth with water.
Consult a physician.
Firefighting measures:
Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
Advice for firefighters:
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental release measures:
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment.
Avoid breathing vapours, mist or gas.
Evacuate personnel to safe areas.
Environmental precautions:
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up:
Soak up with inert absorbent material and dispose of as hazardous waste.
Keep in suitable, closed containers for disposal.
Handling and storage:
Precautions for safe handling:
Avoid inhalation of vapour or mist.
Conditions for safe storage, including any incompatibilities:
Keep container tightly closed in a dry and well-ventilated place.
Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Storage class (TRGS 510): 8A: Combustible, corrosive hazardous materials
Exposure controls/personal protection:
Control parameters:
Components with workplace control parameters
Contains no substances with occupational exposure limit values.
Exposure controls:
Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice.
Wash hands before breaks and at the end of workday.
Personal protective equipment:
Eye/face protection:
Tightly fitting safety goggles.
Faceshield (8-inch minimum).
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection:
Handle with gloves.
Gloves must be inspected prior to use.
Use proper glove
removal technique (without touching glove's outer surface) to avoid skin contact with this product.
Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
It should not be construed as offering an approval for any specific use scenario.
Body Protection:
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection:
Where risk assessment shows air-purifying respirators are appropriate use a fullface respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls.
If the respirator is the sole means of protection, use a full-face supplied air respirator.
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Stability and reactivity:
Chemical stability:
Stable under recommended storage conditions.
Incompatible materials:
Strong oxidizing agents:
Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions.
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas.
Disposal considerations:
Waste treatment methods:
Product:
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging:
Dispose of as unused product
