EXCELLENT Emulsifier

Polyglyceryl-4 Caprate

Also known as: Decanoic acid, monoester with tetraglycerol, UNII-3N873UN885

INCI: POLYGLYCERYL-4 CAPRATE

Polyglyceryl-4 Caprate (CAS 160391-93-5) is a cosmetic emulsifier functioning as Solubilizer; emulsifier; cleansing agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 160391-93-5 →

Function
Solubilizer; emulsifier; cleansing agent
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.

Chemistry & Identifiers

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes PEG-free alternative to polysorbates for fragrance and active solubilization. COSMOS/ECOCERT eligible. No 1,4-dioxane concern — produced without ethoxylation. Emerging clean-beauty emulsifier replacing Polysorbate 20 in COSMOS-certified formulations. Comparable solubilization performance without ethoxylation-derived concerns.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Polyglyceryl-4 Caprate.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

5 property records from structured ingredient metadata.

cost_pricing
{"cost_tier": "premium", "estimated_cost_per_kg_usd_low": "38", "estimated_cost_per_kg_usd_high": "70", "natural_premium_markup_pct": "55", "organic_certified_premium_pct": "95", "supply_chain_volatility": "medium", "primary_source_region": "Germany", "synthetic_vs_natural_cost_ratio": "2.5", "bulk_discount_threshold_kg": "50", "seasonal_price_variation": "low", "commodity_or_specialty": "specialt…
emulsifier
{"cas_number": "86390-97-8", "ingredient_class": "O/W_emulsifier", "chemical_type": "polyglycerol_ester", "HLB_value": "15.0", "HLB_required_for_oil_phase": "13-17", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "0.5-2", "critical_micelle_concentration_pct": "0.01-0.05", "surface_tension_reduction_mN_m": "35", "interfacial_tension_reduction": "39", "foam_formation": "moderate", "foam_…
emulsion_hlb
{"hlb_value": "10.5", "hlb_required_as_emulsifier": "yes", "emulsifier_type": "o_w", "critical_packing_parameter": "0.26-0.36", "phase_inversion_temperature_c": "75-82", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "glyceryl_caprylate", "optimal_oil_phase_pct": "8-22", "optimal_water_phase_pct": "78-92", "electrolyte_tolerance": "moderate", "pH_emulsion_stabil…
pediatric_safety
{"safe_for_newborn_0_6m": "yes", "safe_for_infant_6_12m": "yes", "safe_for_toddler_1_3y": "yes", "safe_for_child_3_12y": "yes", "safe_for_teen_12_18y": "yes", "pediatric_max_concentration_pct": "5.0", "adult_max_concentration_pct": "5.0", "pediatric_dermal_absorption_factor": "minimal", "diaper_area_safe": "yes", "pediatric_allergy_prevalence": "low", "banned_in_children_products_eu": "no", "banne…
sensory
{"silky": "light", "smooth, glides easily": "smooth, disperses easily", "dry-touch, non-greasy": "soft, non-greasy", "instant": "fast", "low": "low", "w/o": "o/w", "very-high": "high", "no": "no", "yes": "no", "1.40": "1.45", "transparent": "transparent", "colorless": "colorless", "excellent": "good", "light": "light", "synthetic": "botanical"}

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Emulsifier Softener and conditioner Surfactant (surface active agent)

Editorial summary

Preliminary editorial summary for Polyglyceryl-4 Caprate — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

non-ethoxylated peg-free cosmos ecocert solubilizer polysorbate-alternative clean-beauty

Known Synonyms

Decanoic acid, monoester with tetraglycerol UNII-3N873UN885

Chemical Function

Emulsifier Softener and conditioner Surfactant (surface active agent)

Frequently Asked Questions

Is Polyglyceryl-4 Caprate safe in cosmetics?

Polyglyceryl-4 Caprate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Polyglyceryl-4 Caprate allowed in the EU?

Polyglyceryl-4 Caprate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyglyceryl-4 Caprate do in cosmetics?

Polyglyceryl-4 Caprate functions as: Solubilizer; emulsifier; cleansing agent. It is classified as a Emulsifier in our database. CAS number: 160391-93-5.

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