Science
Mechanism of Action
This ingredient primarily acts as a perfumery component, imparting a distinct sandal, warm, and woody scent reminiscent of natural sandalwood oil. Concurrently, it serves as a masking agent, effectively diminishing or inhibiting the inherent odor or taste of a product's base ingredients.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Ethyl Trimethylcyclopentene Butenol demonstrates stability in formulations such as body lotion, shampoo, shower gel, soap, and concentrated detergents. However, it exhibits poor stability in the presence of bleaches, strong oxidants, and acidic conditions, including 15% antiperspirant roll-ons and liquid cleaners containing citric acid. The compound is also prone to oxidation.
Conflicts
- Bleaches
- Strong oxidants
- Citric acid (and strong acids)
Safety
Safety Profile
Recognized as a fragrance ingredient in the Scientific Committee on Consumer Safety (SCCS) opinion on fragrance allergens, this compound carries a potential for sensitization. Aggregated GHS information reports it can cause skin irritation (H315) and serious eye irritation (H319). In a subchronic rat study, a No Observed Adverse Effect Level (NOAEL) of 350 mg/kg/day was determined. Higher doses of 1000 mg/kg/day induced reversible effects on the liver, kidneys, and digestive tract. While EWG rates its irritation (skin, eyes, or lungs) as low, Paula's Choice indicates a likelihood of irritation, particularly when combined with other problematic ingredients.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While providing desirable scent and masking properties, its classification as a potential fragrance allergen and documented irritation potential make Ethyl Trimethylcyclopentene Butenol a questionable inclusion in precision skincare formulations, especially for individuals with sensitive skin.
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