Is Hydrolyzed Soy Protein safe in cosmetics?
Hydrolyzed Soy Protein has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Hydrolyzed Soy Protein
INCI: HYDROLYZED SOY PROTEIN
Hydrolyzed Soy Protein (CAS 68607-88-5) is a cosmetic cosmetic ingredient functioning as Hair conditioning, strengthening, film-forming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 68607-88-5 →
Auto-generated CPSR Part A draft with source citations
Function
Hair conditioning, strengthening, film-forming
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
FDA: Soy peptones are GRAS as direct food substances (21 CFR 184.1553). No cosmetic-specific FDA monograph, restriction, or concentration limit exists. CIR Expert Panel 2015/2023 assessment serves as the primary US safety reference for cosmetic applications.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydrolyzed Soy Protein.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
7 property records from structured ingredient metadata.
amino_acid
{"cas_number": "68607-88-5", "ingredient_class": "soy_protein", "source_origin": "plant", "molecular_weight_range_Da": "500-5000", "amino_acid_composition_key": "glutamic_acid_aspartic_acid_rich", "isoelectric_point": "4.5", "charge_at_pH_5_5": "anionic", "water_solubility": "soluble", "oil_solubility": "insoluble", "film_forming_ability": "excellent", "moisture_binding_capacity": "excellent", "NM…
anti_pollution
{"cas_number": "68607-88-5", "ingredient_class": "other", "primary_mechanism": "barrier_reinforcement", "pollution_types_targeted": "PM2_5", "IR_A_protection": "no", "visible_light_protection": "no", "digital_screen_protection_claim": "no", "PAH_neutralization": "no", "ozone_protection": "no", "mitochondrial_protection": "no", "Nrf2_activation": "no", "AhR_pathway_modulation": "no", "NF_kB_inhibit…
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "emulsifier_type": "o_w", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "cetearyl_glucoside", "optimal_oil_phase_pct": "8-25", "optimal_water_phase_pct": "75-92", "electrolyte_tolerance": "moderate", "pH_emulsion_stability_range": "4.0-9.5", "viscosity_building_contribution": "moderate", "droplet_size_range_um": "0.5-15", "z…
hair_care
{"hair_function": "protein-treatment", "hair_type_suitability": "fine/medium", "curl_pattern_suitability": "all", "porosity_suitability": "medium/high", "protein_sensitivity": "protein", "moisture_protein_balance": "yes", "cg_method_approved": "not-a-silicone", "silicone_type": "not-a-sulfate", "sulfate_type": "no", "drying_alcohol": "no", "fatty_alcohol": "no", "heat_protectant": "yes", "color_sa…
hair_conditioning
{"cas_number": "68607-88-5", "ingredient_class": "protein_conditioner", "chemical_type": "soy", "substantivity_to_hair": "good", "deposition_from_shampoo": "good", "deposition_from_conditioner": "yes", "conditioning_mechanism": "penetrating_film_forming", "hair_penetration": "cuticle", "molecular_weight_effect_on_penetration": "plant_protein", "wet_combing_force_reduction_pct": "20-30", "dry_combi…
polymer
{"cas_number": "68607-88-5", "ingredient_class": "film_former/conditioning", "polymer_type": "protein_based", "chemical_backbone": "amide", "molecular_weight_Da_range": "500-10000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": …
uv_stability
{"uv_stable": "yes", "uv_degradation_rate": "stable", "photosensitizer": "no", "phototoxic": "no", "photoallergic": "no", "requires_uv_protection_packaging": "no", "color_change_uv": "no", "odor_change_uv": "no", "efficacy_loss_uv_pct": "0", "spf_contribution": "no", "uva_protection": "no", "uvb_protection": "no", "photostable_sunscreen": "no", "boost_spf_of_others": "no", "antioxidant_under_uv": …
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Humectant
No specific technical function
Softener and conditioner
Regulatory List Membership (1)
EU Regulated in Personal Care
Expert Verdict
Expert safety assessment and concern-level summary for Hydrolyzed Soy Protein.
Regulatory Flags
hair-conditioning
skin-conditioning
soy-allergen-awareness
high-molecular-weight
negligible-absorption
cir-approved
non-sensitizing
non-irritating
genotoxicity-negative
food-allergen-cross-reactivity
Chemical Function
Softener and conditioner
Humectant
Anti-static agent
No specific technical function
Regulatory Lists
Australia; Food and drug - smoking-related products
Europe; Personal care
Europe; Personal care
Canada; pharmaceutical
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Hydrolyzed Soy Protein allowed in the EU?
Hydrolyzed Soy Protein EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydrolyzed Soy Protein do in cosmetics?
Hydrolyzed Soy Protein functions as: Hair conditioning, strengthening, film-forming. It is classified as a cosmetic ingredient in our database. CAS number: 68607-88-5.
Is Hydrolyzed Soy Protein used outside cosmetics?
Hydrolyzed Soy Protein also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Hydrolyzed Soy Protein compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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HYDRASTIS CANADENSIS EXTRACT
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HYDRATROPIC ALDEHYDE
Good
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