# Libre

Source: https://dupehacking.com/fragrances/libre
Published: 2026-06-03

Libre is a type formula published by Dupe Hacking, an amber fougère composition, rebuilt from GC-MS analysis into 77 raw materials that can all be bought — no proprietary captives.

## Facts
- Materials in the formula: 77
- Olfactory family: Amber Fougère
- Concentration: EDP
- Made for: women
- Top notes: Mandarin Orange, Black Currant, Petitgrain, Lavender
- Heart notes: Lavender, Orange Blossom, Jasmine
- Base notes: Vanilla, Musk, Cedarwood, Ambergris

## Main materials
The five largest lines by dose, in order:

1. Iso E Super (CAS 54464-57-2)
2. Hedione (CAS 24851-98-7)
3. Hedione HC
4. Habanolide (CAS 111879-80-2)
5. Florol (CAS 63500-71-0)

The remaining 72 materials, the exact percentage of every line and the dilution each is weighed at are the paid part of this page: https://dupehacking.com/fragrances/libre

## How it compares
- 77 materials against a catalogue median of 45.
- Closest formulas by shared materials: Idôle (43 in common), Paradoxe (43 in common), Palatine (37 in common), Alien Hypersense (36 in common).


## Citing this
Cite as: "Libre formula — Dupe Hacking", https://dupehacking.com/fragrances/libre
