Is Magnesium Chloride safe in cosmetics?
Magnesium Chloride has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Magnesium Chloride
INCI: MAGNESIUM CHLORIDE
Magnesium Chloride (CAS 7786-30-3 (anhydrous); 7791-18-6 (hexahydrate)) is a cosmetic cosmetic ingredient functioning as Viscosity controlling, Flavouring, Fragrance functional. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 7786-30-3 (anhydrous); 7791-18-6 (hexahydrate) →
Auto-generated CPSR Part A draft with source citations
Function
Viscosity controlling, Flavouring, Fragrance functional
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed. Also has GRAS status for food; not restricted in cosmetics
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Magnesium Chloride.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
7 property records from structured ingredient metadata.
acne
{"cas_number": "7786-30-3", "anti_acne_mechanism": "anti_inflammatory", "comedogenicity_rating_0_to_5": "0", "acne_type_efficacy": "inflammatory", "sebum_reduction_pct_clinical": "5-10", "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_restriction…
anti_aging
{"anti_aging_claim": "barrier-repair, anti-inflammatory", "mechanism_of_action": "Cofactor for enzymatic reactions, ionic balance", "target_skin_layer": "epidermis", "collagen_stimulation": "No", "elastin_protection": "No", "wrinkle_reduction_pct": "5-10", "clinical_study_duration_weeks": "8", "sample_size": "20", "double_blind": "No", "placebo_controlled": "Yes", "published_journal": "Trace eleme…
anti_pollution
{"cas_number": "7786-30-3", "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_inhibiti…
concentration
{"min_concentration_pct": "0.5", "max_concentration_pct": "5.0", "typical_concentration_pct": "2.0", "product_type": "Moisturizer", "function_at_concentration": "Skin barrier, calming", "source": "Supplier TDS"}
cost_pricing
{"cost_tier": "budget", "estimated_cost_per_kg_usd_low": "3", "estimated_cost_per_kg_usd_high": "6", "natural_premium_markup_pct": "0", "organic_certified_premium_pct": "0", "supply_chain_volatility": "low", "primary_source_region": "Global", "bulk_discount_threshold_kg": "1000", "seasonal_price_variation": "low", "commodity_or_specialty": "commodity", "substitute_ingredients": "Dead Sea Salt", "c…
mineral_clay
{"cas_number": "7786-30-3", "ingredient_class": "magnesium_compound", "chemical_formula": "MgCl2", "mineral_origin": "natural", "particle_size_range_um": "10-500", "surface_area_m2_per_g": "0.5-3", "crystal_structure": "hexagonal", "color_appearance": "white", "opacity": "opaque", "refractive_index": "1.56", "oil_absorption_g_per_100g": "150-400", "water_absorption_capacity": "low", "surface_charg…
ph_stability
{"optimal_ph_min": "5.0", "optimal_ph_max": "9.0", "stable_ph_min": "4.5", "stable_ph_max": "10.0", "degrades_above_ph": "11.0", "degrades_below_ph": "4.0", "ph_dependent_function": "Mineral supplement", "formulation_note": "Relatively stable", "source": "Formulation literature"}
Expert Verdict
Expert safety assessment and concern-level summary for Magnesium Chloride.
Regulatory Flags
fragrance-component
endocrine_disruptor
jecfa_safe
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Magnesium Chloride by CAS number or substance name.
Studies
2
Lowest NOAEL
1840 mg/kg bw/day
Highest NOAEL
3532 mg/kg bw/day
COSMOS_DB
Frequently Asked Questions
Is Magnesium Chloride allowed in the EU?
Magnesium Chloride EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Magnesium Chloride do in cosmetics?
Magnesium Chloride functions as: Viscosity controlling, Flavouring, Fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 7786-30-3 (anhydrous); 7791-18-6 (hexahydrate).
Compliance Tools
Check Magnesium Chloride 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
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