Is Propyl Trisiloxane safe in cosmetics?
Propyl Trisiloxane has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Propyl Trisiloxane
INCI: PROPYL TRISILOXANE
Propyl Trisiloxane (CAS 18395-18-7 (propylheptamethyltrisiloxane form)) is a cosmetic cosmetic ingredient functioning as Skin conditioning, Emollient, Solvent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 18395-18-7 (propylheptamethyltrisiloxane form) →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning, Emollient, Solvent
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for use 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 Propyl Trisiloxane.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Propyl Trisiloxane.
Frequently Asked Questions
Is Propyl Trisiloxane allowed in the EU?
Propyl Trisiloxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Propyl Trisiloxane do in cosmetics?
Propyl Trisiloxane functions as: Skin conditioning, Emollient, Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 18395-18-7 (propylheptamethyltrisiloxane form).
Compliance Tools
Check Propyl Trisiloxane 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...
PROPOLIS WAX
Good
Browse nearby
Skin Conditioning, Skin Conditioning ...
PROPYL TRIMETHICONE METHACRYLATE CROSSPOLYMER
Good
Browse nearby
Film forming, skin conditioning, text...
PROPYLIDENE PHTHALIDE
Moderate
Browse nearby
Perfuming
Is Propyl Trisiloxane 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 Propyl Trisiloxane in your formulation.