| Type | Oil % | Lasts (hrs) | Notes |
|---|---|---|---|
| Parfum (Extrait) | 20-40% | 6-8+ | Most concentrated, longest lasting |
| Eau de Parfum (EDP) | 15-20% | 4-6 | Rich scent, great balance of strength and longevity |
| Eau de Toilette (EDT) | 5-15% | 2-4 | Lighter, good for daily wear |
| Eau de Cologne (EDC) | 2-5% | 1-2 | Light and refreshing, needs reapplication |
| Eau Fraiche | 1-3% | <1 | Very light, mostly water based |
| Body Mist | 1-2% | <1 | Lightest, for a subtle hint of scent |
Tip: Apply to pulse points (wrists, neck, behind ears) for best projection.
About Perfume Guide
What this tool does
Medical reference tools calculate drug dosages by body weight, IV drip rates, creatinine clearance, anion gap, body surface area (BSA), ideal body weight, and pediatric weight-based dosing. These are for reference and educational purposes only.
Why use this tool
Healthcare students and professionals need quick access to clinical formulas during study and practice. Having a validated calculator for Cockcroft-Gault, Mosteller BSA, or IV rate saves time and reduces arithmetic errors.
How it works
Each calculator implements a published clinical formula. Inputs are validated against physiological ranges. Results include the formula used and references, so users can verify the math independently.
Pro tip
These calculators are for reference only and must not replace clinical judgment. Always verify dosing against current prescribing information and institutional protocols before administering any medication.
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