Is Silica Mercaptopropyl Silylate safe in cosmetics?
Silica Mercaptopropyl Silylate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Silica Mercaptopropyl Silylate
INCI: SILICA MERCAPTOPROPYL SILYLATE
Silica Mercaptopropyl Silylate (CAS Not widely published (specialty thiol-functionalized silica)) is a cosmetic cosmetic ingredient functioning as Viscosity controlling (CosIng function). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not widely published (specialty thiol-functionalized silica)
View industrial chemical safety profile →
Function
Viscosity controlling (CosIng function)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically listed; would fall under general cosmetic ingredient provisions
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Silica Mercaptopropyl Silylate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Silica Mercaptopropyl Silylate.
Regulatory Flags
potential-allergen
Frequently Asked Questions
Is Silica Mercaptopropyl Silylate allowed in the EU?
Silica Mercaptopropyl Silylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Silica Mercaptopropyl Silylate do in cosmetics?
Silica Mercaptopropyl Silylate functions as: Viscosity controlling (CosIng function). It is classified as a cosmetic ingredient in our database. CAS number: Not widely published (specialty thiol-functionalized silica).
Compliance Tools
Check Silica Mercaptopropyl Silylate 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
3-Hydroxybutyrate/3-Hydroxyhexanoate Copolymer
Excellent
Same category
Film Forming, Viscosity Controlling, ...
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer
Excellent
Same category
Film forming, viscosity controlling, ...
4-PCA Dimethicone/Bis-Vinyldimethicone Crosspolymer
Excellent
Same category
Film forming, hair conditioning, skin...
Acrylates Crosspolymer-3
Excellent
Same category
Bulking agent, chelating agent, emuls...
Acrylates Crosspolymer-4
Excellent
Same category
Emulsion stabilizer, film former, dis...
Acrylates Crosspolymer-6
Excellent
Same category
Film former, viscosity increasing age...
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
SILICON
Good
Browse nearby
Abrasive
SILYBUM MARIANUM EXTRACT
Good
Browse nearby
Skin Conditioning
SIMMONDSIA CHINENSIS LEAF EXTRACT
Good
Browse nearby
Humectant
Is Silica Mercaptopropyl Silylate 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 Silica Mercaptopropyl Silylate in your formulation.