Is Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) safe in cosmetics?
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT)
INCI: METHYLENE BIS-BENZOTRIAZOLYL TETRAMETHYLBUTYLPHENOL
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) is a cosmetic cosmetic ingredient functioning as UV filter, light stabilizer. EU Regulation 1223/2009 status: permitted, max 10%.
Auto-generated CPSR Part A draft with source citations
Function
UV filter, light stabilizer
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
EU Max Conc.
10%
US US Status
permitted
US Notes
Not approved as a UV filter under the FDA OTC sunscreen monograph; may appear in non-sunscreen cosmetics at supplier risk
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT).
Calculate MoS for your specific formulation with the MoS Calculator.
Typical Use Concentrations
Reported concentration ranges per product category from SCCS/CIR/industry sources.
| Product Category | Typical Range | Max Reported | Source |
|---|---|---|---|
| Sunscreen | 2–10 | 10 | SCCS |
Additional Ingredient Properties
2 property records from structured ingredient metadata.
anti_pollution
{"cas_number": "103597-45-1", "ingredient_class": "blue_light_filter", "primary_mechanism": "film_forming_barrier", "pollution_types_targeted": "blue_light_HEV/UV_A/UV_B", "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_mo…
baby_pediatric
{"cas_number": "103597-45-1", "ingredient_class": "sunscreen_baby", "pediatric_safety_rating": "acceptable", "minimum_age_months": "12", "neonatal_safe": "no", "premature_infant_safe": "insufficient_data", "skin_barrier_maturity_consideration": "Tinosorb M - nano", "transepidermal_absorption_risk_pediatric": "low", "systemic_exposure_concern_pediatric": "low", "dose_per_kg_body_weight_concern": "S…
Expert Verdict
Expert safety assessment and concern-level summary for Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT).
Frequently Asked Questions
Is Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) allowed in the EU?
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) EU regulatory status: permitted. Maximum allowed concentration: 10%. This is based on EU Regulation 1223/2009 and its amendments.
What does Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) do in cosmetics?
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) functions as: UV filter, light stabilizer. It is classified as a cosmetic ingredient in our database.
Compliance Tools
Check Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (MBBT) 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
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