Fragrance comparison

Irisium vs 99 Regent Street

Notes, accords, longevity, sillage, seasons and community ratings, side by side.

Updated 15 Nov 2026 69 ratings analysed

4 wins

Irisium

Odoratika

4.6414 votes

Rank #38,502 PowderyIris

Full profile Similar & dupes

52%scent match

Some overlap

99 Regent Street

Hugh Parsons

3.7355 votes

Rank #28,862 PowderyMusky

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Irisium takes 4 of 5 categories.

Irisium
Choose it for a powdery and iris character. Wins on ratings & consensus, longevity and sillage & projection. Best in fall, evening wear.
99 Regent Street
Choose it for a powdery and musky character. Wins on fragranxe ranking. Best in spring, daytime wear.

Irisium4/5

99 Regent Street1/5

Ratings & consensus: Irisium
Community sentiment: Not scored
Longevity: Irisium
Sillage & projection: Irisium
Value for money: Irisium
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: 99 Regent Street

Head-to-head breakdown

Every category side by side, with the winner called out.

Fragrance

IrisiumOdoratika

99 Regent StreetHugh Parsons

Winner

Ratings & consensus

Average rating and ownership split

4.64/ 5 · 14 votes

Have 13%Had 8%Want 80%

3.73/ 5 · 55 votes

Have 31%Had 28%Want 41%

Category winnerIrisiumRating weighted by vote count

Community sentiment

How voters split from love to hate

86%Love

7%Like

0%Ok

0%Dislike

7%Hate

14 votes · too few to score

24%Love

51%Like

0%Ok

25%Dislike

0%Hate

55 votes

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity91

〰 Sillage85

♥ Love / hate91

⏱ Longevity64

〰 Sillage63

♥ Love / hate68

Category winners

LongevityIrisium

SillageIrisium

Value for money

How fairly priced voters find it

¤ Price value85

¤ Price value40

Category winnerIrisiumBest value score

Main accords

Strength of each scent family · outlined = shared by both

powdery100%

iris91%

woody83%

musky74%

earthy65%

floral56%

powdery100%

musky92%

violet84%

floral77%

iris69%

aromatic61%

Scent match52%Some overlap · both powdery, musky and iris

Note pyramid (duration)

Top, heart and base, with how long each lasts when known · gold = shared

Top

Orris RootMahoganyReed

Heart

IrisPoppyBlueberry

Base

VelvetTeak WoodMuskViolet Leaf

Top15-30 mins

VioletMastic or LentisqueGeraniumViolet Leaf

Heart2-4 hrs

Orris RootJasmineIrisFreesia

Base5-7+ hrs

MuskAmbrette (Musk Mallow)Amber

InformationalShared notesOrris Root, Iris, Musk and Violet Leaf. Durations are only published for 99 Regent Street, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring33

Summer33

Fall100

Winter100

Day50

Night100

Spring100

Summer72

Fall50

Winter17

Day100

Night18

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men0

Unisex10

Women90

Men100

Unisex0

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#38,502

PerfumerValeria Karmanova

Launched—

Reviews0

Overall rank#28,862

PerfumerNot listed

Launched—

Reviews3

Category winner99 Regent StreetHigher overall rank

In a nutshell

Description & review snapshot

Irisium by Odoratika is a woody, iris-forward fragrance for women launched in 2019. It focuses on the interplay between powdery orris root, earthy teak wood, and a bright blueberry note. Designed by Valeria Karmanova, this scent leans into a modern, easygoing aesthetic that wears comfortably throughout a casual autumn…

Reviews →

Hugh Parsons 99 Regent Street opens with a crisp snap of green violet leaf, sharp geranium, and resinous mastic that feels like walking into a dew-soaked morning garden. As the initial herbal burst settles, cool iris and earthy orris root take center stage alongside delicate freesia petals, giving the blend a classic …

Reviews →

InformationalRead bothTaste is personal

How we score: ratings blend public fragrance ratings with Fragranxe member votes; longevity, sillage, value and sentiment are community vote scores, and season bars are relative to each fragrance's strongest season. Categories with too little data are shown but not scored. The scent match weighs accord overlap (60%) and shared notes (40%). More in the FAQ.

Recent comparisons

Head-to-head activity from live history

NabroAZYARUNNER-UP vs

Mila Schön (Original)Mila SchönWINNER

1 person compared this today

Saffron AmberIlluminumRUNNER-UP vs

Septieme Sens (7e Sens)Sonia RykielWINNER

1 person compared this today

Fancy NightsJessica SimpsonRUNNER-UP vs

Nino Cerruti Pour FemmeCerrutiWINNER

3 people compared this today

Sweet DreamsHouse Of SillageWINNER vs

Safari ElixirAthoor Al AlamRUNNER-UP

1 person compared this today

Common questions

Straight answers from the data above.

Which is better, Irisium or 99 Regent Street?

Irisium takes 4 of 5 categories. Irisium is rated 4.64/5 from 14 votes; 99 Regent Street is rated 3.73/5 from 55 votes. Choose Irisium for a powdery and iris character. Wins on ratings & consensus, longevity and sillage & projection. Best in fall, evening wear. Choose 99 Regent Street for a powdery and musky character. Wins on fragranxe ranking. Best in spring, daytime wear.

Which lasts longer, Irisium or 99 Regent Street?

Irisium lasts longest (Irisium 91/100, 99 Regent Street 64/100), based on community performance votes.

Which projects more, Irisium or 99 Regent Street?

Irisium projects furthest (Irisium 85/100, 99 Regent Street 63/100), based on community performance votes.

Do Irisium and 99 Regent Street smell similar?

Some overlap: a 52% scent match on Fragranxe. Both share powdery, musky and iris accords. Common notes include Orris Root, Iris, Musk and Violet Leaf.

Is Irisium or 99 Regent Street better for summer or winter?

Irisium suits evening wear; 99 Regent Street suits daytime wear. Based on community season votes.

What are the notes in Irisium and 99 Regent Street?

Irisium has top notes of Orris Root, Mahogany and Reed, heart notes of Iris, Poppy and Blueberry, a base of Velvet, Teak Wood, Musk and Violet Leaf. 99 Regent Street has top notes of Violet, Mastic or Lentisque, Geranium and Violet Leaf, heart notes of Orris Root, Jasmine, Iris and Freesia, a base of Musk, Ambrette (Musk Mallow) and Amber.