Is Sodium Phenylbenzimidazole Sulfonate safe in cosmetics?
Sodium Phenylbenzimidazole Sulfonate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Sodium Phenylbenzimidazole Sulfonate
INCI: SODIUM PHENYLBENZIMIDAZOLE SULFONATE (ALSO KNOWN AS ENSULIZOLE SODIUM SALT)
Sodium Phenylbenzimidazole Sulfonate (CAS 36586-73-5 (sodium salt); acid form (PBSA): 27503-81-7) is a cosmetic cosmetic ingredient functioning as UV filter / UV absorber — UV-B protection (280–320 nm). EU Regulation 1223/2009 status: permitted, max 8%. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
36586-73-5 (sodium salt); acid form (PBSA): 27503-81-7
View industrial chemical safety profile →
Function
UV filter / UV absorber — UV-B protection (280–320 nm)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
EU Max Conc.
8%
US US Status
permitted
US Notes
FDA-approved OTC sunscreen active (Ensulizole); permitted up to 4% in OTC sunscreens
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Sodium Phenylbenzimidazole Sulfonate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Sodium Phenylbenzimidazole Sulfonate.
Frequently Asked Questions
Is Sodium Phenylbenzimidazole Sulfonate allowed in the EU?
Sodium Phenylbenzimidazole Sulfonate EU regulatory status: permitted. Maximum allowed concentration: 8%. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Phenylbenzimidazole Sulfonate do in cosmetics?
Sodium Phenylbenzimidazole Sulfonate functions as: UV filter / UV absorber — UV-B protection (280–320 nm). It is classified as a cosmetic ingredient in our database. CAS number: 36586-73-5 (sodium salt); acid form (PBSA): 27503-81-7.
Compliance Tools
Check Sodium Phenylbenzimidazole Sulfonate 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
Compare limits across jurisdictions
Related Ingredients
Benzylidene Camphor Sulfonic Acid
Excellent
Same category
UV filter (broadband UVB + UVA absorb...
Dioctylaminoethoxytriazine Aminopropyl Silsesquioxane Silicate
Excellent
Same category
Film forming agent that creates prote...
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT)
Excellent
Same category
UV filter, light stabilizer
Triethoxycaprylylsilane
Excellent
Same category
Binder, Surface Modifier, Skin Condit...
Trimethoxycaprylylsilane
Excellent
Same category
Surface modifier, binder, skin condit...
Tris-Biphenyl Triazine
Excellent
Same category
UV Filter – most efficient UVB + UVA2...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good
Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good
Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good
Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good
Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good
Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good
Similar safety
Antioxidant
SODIUM (ASTROCARYUM VULGARE/EUTERPE OLERACEAE/PALM) FRUIT/(ASTROCARYUM VULGARE/PALM) KERNEL/(ASTROCARYUM MURUMURU/BABASSU/BERTHOLLETIA EXCELSA/CARAPA GUIANENSIS/COCOA/FEVILLEA TRILOBATA/PASSIFLORA EDULIS/THEOBROMA GRANDIFLORUM) SEEDATE
Good
Browse nearby
Cleansing, Surfactant - Cleansing
SODIUM BEHENOYL/COCOYL (ALANINE/ARGININE/ASPARAGINE/ASPARTIC ACID/GLUTAMIC ACID/GLYCINE/ISOLEUCINE/LEUCINE/LYSINE/METHIONINE/PHENYLALANINE/PROLINE/SERINE/THREONINE/TRYPTOPHAN/TYROSINE/VALINE)
Good
Browse nearby
Cleansing, Emulsion Stabilising, Surf...
SODIUM BEHENOYL/COCOYL (ARGININE/GLUTAMIC ACID/ISOLEUCINE/LEUCINE/LYSINE/PHENYLALANINE/PROLINE/THREONINE/VALINE)
Good
Browse nearby
Cleansing, Surfactant - Cleansing, Su...
Is Sodium Phenylbenzimidazole Sulfonate in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Sodium Phenylbenzimidazole Sulfonate in your formulation.