Fragrance Notes
CA Perfume
Eleventh Time
Inspired by Byredo · Format: EDP Spray
Safe for everyday use. This product is suitable for most adults in normal fragrance application.
Why This Score
Scores are calculated by HumanSafe™ — an independent third-party platform — using peer-reviewed toxicology sources, regulatory databases, and HumanSafe's Mood Architecture™.
Safety at a Glance
✅ Safe for
- —Daily topical use
- —Most healthy adults
- —Long-term skin contact
- —EDP leave-on format
⚠ Use with care if
- —Sensitive or reactive skin
- —Direct eye-area contact
✕ Avoid if
- —Broken or compromised skin
- —Children under 3 years
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Key Factors
Score DriversIngredients
26 Total| CAS No. | INCI Name | FUNCTION | ISS | Status |
|---|---|---|---|---|
| 64-17-5 | Ethanol | Solvent / Carrier | 7.0Poor | Moderate |
| 7732-18-5 | Aqua | Solvent / Carrier | 10.0 | Low Risk |
| 54464-57-2 | Tetramethyl Acetyloctahydronaphthalenes | Fragrance ingredient | 7.0B | Moderate |
| 1222-05-5 | Ambroxan | Fragrance ingredient | 7.0A- | Moderate |
| 115-95-7 | Linalyl Acetate | Fragrance ingredient | 7.0B | Moderate |
21 more ingredients in this formulation
See Full Ingredient List — Join Free →Ingredients sourced from MG Safety Data Sheet and EU Allergen Certificate. Formulation: fragrance oil 20% + Ethanol 65% + Aqua 15%. ⚑ = EU regulated allergen (Regulation EC 1223/2009). Note 1 = Annex II prohibited substance. Note 2 = commercial quality (includes both isomers).
Fragrance Mood Profile
MEI™ Mood ArchitectureIndex™
MEI™ scores are calculated by HumanSafe™ using HumanSafe's Mood Architecture™ — a 9-dimension olfactory-emotion mapping system. MEI is an intensity scale: 3/10 = subtle, 9/10 = immersive. Score reflects mood character, not safety.
Usage & Safety Guidance
Safer Alternatives
Higher PSS ScoreProducts with higher Product Safety Scores. Independently assessed by HumanSafe™.
Frequently Asked Questions
Is Eleventh Hour safe for daily use?+
For most consumers, yes—the PSS Grade B rating supports routine use. However, because the formula is 95% synthetic polycyclic compounds, individuals with fragrance sensitivities, reactive skin, or a history of contact dermatitis should test on a small skin area first and observe for 24–48 hours before daily application.
Are there any ingredients I should watch out for?+
The two primary ingredients (Tetramethyl Acetyloctahydronaphthalenes at 50% and an octahydronaphthalene derivative at 45%) are complex synthetics used widely in commercial fragrances but carry moderate safety ratings. They are not typically allergenic at concentrations found in eau de parfum, but inhalation of concentrated vapor or direct skin contact should be avoided. If you have pre-existing fragrance intolerance, consult a dermatologist before use.
What does a PSS of 6.7/10 (Grade B) mean?+
The Product Safety Score (PSS) is an independent assessment of overall formulation safety on a scale of 0–10, where 10 is safest. A Grade B score of 6.7/10 indicates the product poses no severe hazards under normal use conditions but contains ingredients with moderate safety profiles rather than premium ones. It reflects a typical commercial fragrance safety benchmark.
The HumanSafe™ Difference
Most safety tools rate ingredients in isolation — one score regardless of concentration, context, or how the product is used. We assess at actual use concentration.
| Dimension | Other Apps (EWG, Yuka) | HumanSafe™ |
|---|---|---|
| Dose awareness | Same score regardless of concentration | Assessed at actual use concentration in this product |
| Exposure context | Same score for rinse-off and leave-on products | Adjusted for product format and absorption rate |
| Allergens | Binary flag — present or absent | Concentration compared to IFRA/EU safe limits |
| Purchase signal | Score only, no recommendation | Clear verdict + safer alternatives ranked by PSS |
Version & Audit Trail
| Version | Date | PSS Score | ISS (avg) | Change Summary |
|---|---|---|---|---|
| v2.1.0 | April 2026 | 7.2 | — | Current assessment — PSS v4.1 route-weighted engine. Dose-aware scoring at actual use concentration. |