Fragrance Notes
CA Perfume
Young Rose
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
25 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 |
| 139504-68-0 | 2-T-Butylcyclohexyloxybutanol | Fragrance ingredient | 7.0B | Moderate |
| 1222-05-5 | Ambroxan | Fragrance ingredient | 7.0A- | Moderate |
20 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 Young Rose safe for daily use?+
Young Rose can be used daily by most consumers based on its Grade B safety score. However, because eau de parfum formulations contain higher fragrance concentrations (typically 15–20%), daily use should follow standard fragrance guidelines: light application on pulse points and avoiding direct eye contact. Those with known fragrance sensitivities or reactive skin should limit frequency or discontinue use if irritation occurs.
Are there any ingredients I should watch out for?+
The main consideration is synthetic fragrance load rather than individual toxic ingredients. The top five components are all established fragrance compounds, though Tetramethyl Acetyloctahydronaphthalenes and Ethanone derivatives make up 75% of the formula. If you have a history of fragrance allergies, contact dermatitis, or asthma triggered by perfumes, perform a 24–48 hour patch test on inner wrist or behind the ear before full use.
What does a PSS of 6.7/10 (Grade B) mean?+
PSS (Product Safety Score) Grade B indicates moderate safety—the product meets baseline regulatory requirements but contains ingredients or concentrations that warrant standard precautions. A 6.7/10 score places Young Rose in the mid-range; it is not flagged as high-risk, but consumers with sensitivities should exercise reasonable care. Scores above 8.0/10 would indicate higher safety margins.
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. |




