# Initio Parfums Prives Side Effect dupes: Upside Down and 1 more

The cheapest Initio Parfums Prives Side Effect dupe we list is under $50: Alexandria Fragrances Upside Down, $47.99 for 30 ml at Alexandria Fragrances' list price ($1.60 per ml, 57% less per ml than the original's $3.70 per ml at FragranceNet for 90 ml). 2 fragrances are described by their brands as inspired by Initio Parfums Prives Side Effect. Prices checked Nov 10, 2026.

The original: Initio Parfums Prives Side Effect Eau de Parfum, $333.19 for 90 ml ($3.70/ml), at FragranceNet, checked Nov 11, 2026. Page: https://eauindex.com/fragrance/initio-parfums-prives/side-effect-eau-de-parfum.md

## Dupes (each brand's own claim, quoted with its source)

1. Alexandria Fragrances Upside Down: $112.99 for 100 ml ($1.13/ml), list price at Alexandria Fragrances, checked Nov 10, 2026; 69% less per ml than the original.
   Alexandria Fragrances says: "Inspired By Initio Side Effect" (source: https://alexandriafragrances.com/products/upside-down)
   Page: https://eauindex.com/fragrance/alexandria-fragrances/upside-down.md
2. Oil Perfumery Impression of Initio - Side Effect Perfume Oil: no price yet.
   Oil Perfumery says: "Impression of Initio - Side Effect" (source: https://oilperfumery.com/products/oil-perfumery-impression-of-initio-side-effect)
   Page: https://eauindex.com/fragrance/oil-perfumery/impression-of-initio-side-effect-perfume-oil.md

Prices checked Nov 10, 2026.

## How we judged these dupes (reviewed Nov 11, 2026)

Each match is the dupe house's own claim, quoted with a link to its source; claims last checked on the houses' sites Oct 4, 2026. Notes not compared: Initio Parfums Prives lists no notes for Side Effect. Price per ml is the lowest price we could check divided by the bottle size: a live store price when there is one, else the house's list price.

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.

## Questions

### What is the best Initio Parfums Prives Side Effect dupe under $50?

EauIndex does not rate how dupes smell, so this is by price: the cheapest Initio Parfums Prives Side Effect dupe under $50 is Alexandria Fragrances Upside Down, $47.99 for 30 ml at Alexandria Fragrances' list price ($1.60 per ml). 1 of the 2 dupes we list has a bottle under $50. Each is its brand's own claim, quoted and linked on this page. Prices checked Nov 10, 2026.

### How much cheaper is a Initio Parfums Prives Side Effect dupe?

Up to 69% less per ml: Alexandria Fragrances Upside Down costs $1.13 per ml at Alexandria Fragrances' list price, versus $3.70 per ml for the original at FragranceNet. For 90 ml, that is $231 less. Prices checked Nov 10, 2026.

### What is the most affordable Initio Parfums Prives Side Effect dupe?

By bottle price, Alexandria Fragrances Upside Down: $47.99 for 30 ml at Alexandria Fragrances' list price ($1.60 per ml). It is also the lowest price per ml we list. Each is its brand's own claim, quoted and linked on this page. Prices checked Nov 10, 2026.

### Is Alexandria Fragrances Upside Down a dupe of Initio Parfums Prives Side Effect?

Alexandria Fragrances describes Upside Down as inspired by Initio Parfums Prives Side Effect, in its own words: "Inspired By Initio Side Effect". Upside Down is $112.99 for 100 ml at Alexandria Fragrances' list price ($1.13/ml, 69% less per ml than the original's $3.70/ml at FragranceNet). Prices checked Nov 10, 2026. EauIndex lists brand-declared dupes only and does not claim they smell the same.

### What are the dupes for Side Effect Eau de Parfum?

Alexandria Fragrances describes Upside Down as inspired by Side Effect ($1.13 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.

Canonical page: https://eauindex.com/dupes/initio-parfums-prives/side-effect-eau-de-parfum