Is Hydroxypropyl Starch safe in cosmetics?
Hydroxypropyl Starch has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Hydroxypropyl Starch
INCI: HYDROXYPROPYL STARCH
Hydroxypropyl Starch (CAS 9049-76-7 / 68584-86-1 [^1_14]) is a cosmetic cosmetic ingredient functioning as Absorbent, viscosity controlling, binding, skin conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 9049-76-7 / 68584-86-1 [^1_14] →
Auto-generated CPSR Part A draft with source citations
Function
Absorbent, viscosity controlling, binding, skin conditioning
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — FDA GRAS as food-grade modified starch; not restricted in cosmetics under 21 CFR
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydroxypropyl Starch.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
3 property records from structured ingredient metadata.
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "emulsifier_type": "o_w", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "xanthan_gum", "optimal_oil_phase_pct": "5-20", "optimal_water_phase_pct": "80-95", "electrolyte_tolerance": "high", "pH_emulsion_stability_range": "4.0-10.0", "viscosity_building_contribution": "high", "droplet_size_range_um": "0.5-15", "zeta_potential_…
polymer
{"cas_number": "9049-76-7", "ingredient_class": "thickener/film_former", "polymer_type": "modified_natural", "chemical_backbone": "starch", "ionic_character": "nonionic", "viscosity_1pct_aqueous_mPas": "1500-12000", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency…
rheology
{"cas_number": "9049-76-7", "rheology_modifier_type": "Modified Natural Polymer", "thickening_mechanism": "Particle swelling and network formation", "viscosity_increase_factor": "1500-6000x", "brookfield_viscosity_typical_cps": "2200-8500", "shear_thinning_behavior": "Moderate", "thixotropic": "Low", "yield_stress_pa": "4-12", "flow_curve_type": "Pseudoplastic", "optimal_ph_range": "4.0-8.0", "eff…
Expert Verdict
Expert safety assessment and concern-level summary for Hydroxypropyl Starch.
Regulatory Flags
jecfa_safe
Frequently Asked Questions
Is Hydroxypropyl Starch allowed in the EU?
Hydroxypropyl Starch EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydroxypropyl Starch do in cosmetics?
Hydroxypropyl Starch functions as: Absorbent, viscosity controlling, binding, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 9049-76-7 / 68584-86-1 [^1_14].
Compliance Tools
Check Hydroxypropyl Starch compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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