Illustration drawn by EauIndex from the listed notes and concentration. Not a product photo.
Initio Parfums Prives/Eau de Parfum
Side Effect Eau de Parfum
Side Effect Eau de Parfum is sold in 50 ml and 90 ml. The brand's list price for 90 ml is $420, or $4.67 per ml. Live retailer prices are being added.
List price, 90 ml
Initio Parfums Prives'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 | $5.80/ml | awaiting feeds | No history |
| 90 ml 3 ozBest value | not yet | $4.67/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 Initio Parfums Prives's own US store, checked Sep 27, 2026.
Price alert
Name your price for Side Effect.
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.
- Concentration
- Eau de Parfum
Sources: Initio Parfums Prives site
No. 03
Alternatives to Side Effect
Alexandria Fragrances
Upside Down$1.10/mllist price
76% less per ml than Side Effect
Alexandria Fragrances says:
Inspired By Initio Side Effect
sourceOil Perfumery
Impression of Initio - Side Effect Perfume OilOil Perfumery says:
Impression of Initio - Side Effect
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 Side Effect Eau de Parfum right now?
Side Effect Eau de Parfum is sold in 50 ml and 90 ml. The brand's list price for 90 ml is $420, or $4.67 per ml. Live retailer prices are being added.
Which size of Side Effect Eau de Parfum is the best value?
The 90 ml bottle is the best value per ml at Initio Parfums Prives's list prices: $4.67 per ml. Price per ml uses the size printed on the box.
Is now a good time to buy Side Effect 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 Side Effect Eau de Parfum?
Alexandria Fragrances describes Upside Down as inspired by Side Effect ($1.10 per ml); Oil Perfumery describes Impression of Initio - Side Effect as inspired by Side Effect. These are the dupe brands' own statements; EauIndex and those brands are not affiliated with Initio Parfums Prives.