Is Calcium Montmorillonite safe in cosmetics?
Calcium Montmorillonite has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Calcium Montmorillonite
Also known as: Montmorillonite ((Al1.33-1.67Mg0.33-0.67)(Ca0-1Na0-1)0.33Si4(OH)2O10.xH2O), EINECS 215-288-5, Alabama Blue Clay, Bentolite, Dis-Thix Extra (+2 more)
INCI: MONTMORILLONITE
Calcium Montmorillonite (CAS 1318-93-0) is a cosmetic cosmetic ingredient functioning as Absorbent, Bulking Agent, Emulsion Stabilizer, Viscosity Controlling. 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 and pharmaceutical data.
View industrial chemical safety profile for CAS 1318-93-0 →
Auto-generated CPSR Part A draft with source citations
Function
Absorbent, Bulking Agent, Emulsion Stabilizer, Viscosity Controlling
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
dialuminum;tetrakis(dioxosilane);tris(oxygen(2-));hydrate
InChIKey
GUJOJGAPFQRJSV-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific FDA restrictions. Bentonite is GRAS (21 CFR 184.1155). Kaolin is GRAS and OTC skin protectant 4-20%.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Calcium Montmorillonite.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
7 property records from structured ingredient metadata.
acne
{"cas_number": "1318-93-0", "anti_acne_mechanism": "sebum_regulation", "comedogenicity_rating_0_to_5": "1", "acne_type_efficacy": "non_inflammatory", "sebum_reduction_pct_clinical": "20-35", "prescription_required_usa": "No", "otc_drug_monograph_category": "No", "max_otc_concentration_pct": "No limit", "japan_quasi_drug_anti_acne": "No", "korea_functional_cosmetic_acne": "No", "eu_cosmetic_restric…
anti_pollution
{"cas_number": "1318-93-0", "ingredient_class": "anti_pollution/heavy_metal_chelator", "primary_mechanism": "chelation", "pollution_types_targeted": "PM2_5/heavy_metals", "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_mod…
deodorant
{"cas_number": "1318-93-0", "ingredient_class": "sweat_absorber", "mechanism_of_action": "odor_absorption", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "8-12", "odor_reduction_pct": "40-60", "bacteriostatic": "no", "bactericidal": "no", "microbiome_impact": "neutral", "axillary_microbiome_effect": "varies by ingredient", "MIC_value_if_antimicrobial": "varies", "…
mineral_clay
{"cas_number": "1318-93-0", "ingredient_class": "montmorillonite", "chemical_formula": "(Na,Ca)0.33(Al,Mg)2Si4O10(OH)2", "mineral_origin": "natural", "particle_size_range_um": "0.5-10", "surface_area_m2_per_g": "30-100", "crystal_structure": "monoclinic", "color_appearance": "cream/gray/green", "opacity": "translucent", "refractive_index": "1.52", "oil_absorption_g_per_100g": "50-100", "water_abso…
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": "10.0", "adult_max_concentration_pct": "10.0", "pediatric_dermal_absorption_factor": "minimal", "oral_ingestion_risk": "low", "respiratory_risk_pediatric": "low", "diaper_area_safe": "yes", "pediatric_aller…
regulatory
{"eu_status": "allowed", "us_status": "allowed"}
rheology
{"cas_number": "1318-93-0", "rheology_modifier_type": "Inorganic - Smectite Clay", "thickening_mechanism": "Particle swelling and platelet stacking", "viscosity_increase_factor": "1800-9000x", "brookfield_viscosity_typical_cps": "3000-18000", "shear_thinning_behavior": "Yes", "thixotropic": "Excellent", "yield_stress_pa": "8-30", "flow_curve_type": "Pseudoplastic with thixotropy", "optimal_ph_rang…
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (1)
ICSC Safety Card
0384
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Regulatory (1)
JECFA Evaluation
BENTONITE
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Abrasive
Absorbent
Dispersing agent
Emulsifier
Filler
Opacifer
Stabilizing agent
Thickening agent
Viscosity modifier
Wetting agent (non-aqueous)
Expert Verdict
Expert safety assessment and concern-level summary for Calcium Montmorillonite.
Known Synonyms
Montmorillonite ((Al1.33-1.67Mg0.33-0.67)(Ca0-1Na0-1)0.33Si4(OH)2O10.xH2O)
EINECS 215-288-5
Alabama Blue Clay
Bentolite
Dis-Thix Extra
Montmorillonite K 10
UNII-A585MN1H2L
Chemical Function
Absorbent
Emulsifier
Viscosity modifier
Stabilizing agent
Filler
Abrasive
Regulatory Lists
inert_ingredient; Pesticides
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
Canada; pharmaceutical
Canada; pharmaceutical
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA count match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Adverse Event Associations
947
Frequently Asked Questions
Is Calcium Montmorillonite allowed in the EU?
Calcium Montmorillonite EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Calcium Montmorillonite do in cosmetics?
Calcium Montmorillonite functions as: Absorbent, Bulking Agent, Emulsion Stabilizer, Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: 1318-93-0.
Is Calcium Montmorillonite used outside cosmetics?
Calcium Montmorillonite also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Calcium Montmorillonite compliance across multiple jurisdictions:
Ingredient Decoder
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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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