Is Isobutyl Isostearate safe in cosmetics?
Isobutyl Isostearate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
GOOD
Cosmetic Ingredient
Isobutyl Isostearate
INCI: ISOBUTYL ISOSTEARATE
Isobutyl Isostearate (CAS Not widely published (specialty branched-chain emollient ester)) is a cosmetic cosmetic ingredient functioning as Skin conditioning; emollient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
CAS Number
Not widely published (specialty branched-chain emollient ester)
View industrial chemical safety profile →
Function
Skin conditioning; emollient
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — no specific CFR restriction
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isobutyl Isostearate.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Isobutyl Isostearate — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is Isobutyl Isostearate allowed in the EU?
Isobutyl Isostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isobutyl Isostearate do in cosmetics?
Isobutyl Isostearate functions as: Skin conditioning; emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not widely published (specialty branched-chain emollient ester).
Compliance Tools
Check Isobutyl Isostearate 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
Acacia Decurrens/Jojoba/Sunflower Seed Wax Polyglyceryl-3 Esters
EXCELLENT
Same category
Skin conditioning emollient, texturizer
Acetic/Linoleic/Palmitic Triglyceride
EXCELLENT
Same category
Skin conditioning (emollient)
Acetyl Ornithine
EXCELLENT
Same category
Emollient
Acetyl Proline
EXCELLENT
Same category
Emollient
Acetyl Triethylhexyl Citrate
EXCELLENT
Same category
Emollient, Film Forming, Plasticiser
Acetyl Trihexyl Citrate
EXCELLENT
Same category
Plasticiser, Skin Conditioning (Emoll...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
GOOD
Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(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
(ARCTIUM LAPPA/CARROT/COLOCASIA ESCULENTA/DIOSCOREA BATATAS/GARLIC/GINGER/IPOMOEA BATATAS/NELUMBO NUCIFERA/ONION/POTATO BULBS)/(CHESTNUT/CITRUS UNSHIU/EGGPLANT/FIG/GRAPE/KIWI/LYCOPERSICON ESCULENTUM/MALUS PUMILA/MUME/PEACH/PLUM/PUMPKIN/PYRUS SEROTINA/RADISH/ZIZIPHUS JUJUBA FRUIT)/(ALLIUM TUBEROSUM/ALOE BARBADENSIS/ANGELICA UTILIS/BRASSICA OLERACEA ACEPHALA/CABBAGE/CELERY/SACCHARINA JAPONICA/UNDARIA PINNATIFIDA LEAF)/(ALLIUM FISTULOSUM/ENTEROMORPHA COMPRESSA/OENANTHE JAVANICA STALK)/LENTINULA EDODES/SUCROSE FERMENT FILTRATE
GOOD
Similar safety
Humectant, Skin Conditioning - Humect...
ISOBORNYL DIPROPYLENE GLYCOL ETHERS
GOOD
Browse nearby
Antifoaming, Emulsion Stabilising, So...
ISOBUTYL METHACRYLATE/TRIFLUOROETHYLMETHACRYLATE/BIS-HYDROXYPROPYL DIMETHICONE ACRYLATE COPOLYMER
GOOD
Browse nearby
Film Forming, Hair Fixing
ISOBUTYLMETHACRYLATE/TRIFLUOROETHYLMETHACRYLATE/BIS-HYDROXYPROPYL DIMETHICONE ACRYLATE COPOLYMER
GOOD
Browse nearby
Film Forming, Hair Fixing, Skin Condi...
Is Isobutyl Isostearate 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 Isobutyl Isostearate in your formulation.