Illustration drawn by EauIndex from the listed notes and concentration. Not a product photo.
D.S. & Durga/Eau de Parfum
I Don't Know What Eau de Parfum
I Don't Know What Eau de Parfum is sold in 50 ml and 100 ml. The brand's list price for 100 ml is $300, or $3.00 per ml. Live retailer prices are being added.
Also sold as I Don't Know What Perfume Oil
List price, 100 ml
D.S. & Durga's own US list price. Live retailer prices appear as feeds connect.
The buy-or-wait verdict appears after 30 days of daily retailer prices. We never fill in history we did not see.
No. 01
Sizes and prices
| Size | Lowest today | Per ml | Where | Verdict |
|---|---|---|---|---|
| 50 ml 1.7 oz | not yet | $4.50/ml | awaiting feeds | No history |
| 100 ml 3.4 ozBest value | not yet | $3.00/ml | awaiting feeds | No history |
Price per ml uses the size printed on the box. Testers, unboxed bottles and gift sets never set the headline price. List prices come from D.S. & Durga's own US store, checked Sep 27, 2026.
Price alert
Name your price for I Don't Know What.
We check every tracked US retailer each day and email you once when it happens.
No. 02
The composition
The brand does not list notes for this fragrance on its own site, so we don't either.
- House
- D.S. & Durga
- Concentration
- Eau de Parfum
Sources: D.S. & Durga site
No. 03
Alternatives to I Don't Know What
Dua Fragrances
Loss Of Words Extrait de Parfum$1.62/mllist price
46% less per ml than I Don't Know What
Dua Fragrances says:
I Don’t Know What dupe
source
Dupes listed here are the dupe brands' own statements about what inspired them, quoted with a link to the source. EauIndex does not claim any two fragrances smell the same. Neither EauIndex nor these brands are affiliated with the original fragrance house. Brand names are used only to identify products. All alternatives
No. 04
Questions and answers
What is the cheapest price for I Don't Know What Eau de Parfum right now?
I Don't Know What Eau de Parfum is sold in 50 ml and 100 ml. The brand's list price for 100 ml is $300, or $3.00 per ml. Live retailer prices are being added.
Which size of I Don't Know What Eau de Parfum is the best value?
The 100 ml bottle is the best value per ml at D.S. & Durga's list prices: $3.00 per ml. Price per ml uses the size printed on the box.
Is now a good time to buy I Don't Know What Eau de Parfum?
We give a buy-or-wait verdict after 30 days of daily retailer prices. Price tracking for this fragrance starts when retailer feeds are connected.
What are the dupes for I Don't Know What Eau de Parfum?
Dua Fragrances describes Loss Of Words as inspired by I Don't Know What ($1.62 per ml). These are the dupe brands' own statements; EauIndex and those brands are not affiliated with D.S. & Durga.