Fragrance comparison

Irisium vs Special Occasion

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

Updated 15 Nov 2026 20 ratings analysed

4 wins

Irisium

Odoratika

4.6414 votes

Rank #38,502 PowderyIris

Full profile Similar & dupes

62%scent match

Closely related

Special Occasion

Scent Sample Studio

4.836 votes

Rank #39,648 PowderyIris

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Irisium takes 4 of 4 categories.

Irisium
Choose it for a powdery and iris character. Wins on longevity, sillage & projection and value for money. Best in fall, evening wear.
Special Occasion
Choose it for a powdery and iris character. Best in spring, evening wear.

Irisium4/4

Special Occasion0/4

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

Head-to-head breakdown

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

Fragrance

IrisiumOdoratika

Special OccasionScent Sample Studio

Winner

Ratings & consensus

Average rating and ownership split

4.64/ 5 · 14 votes

Have 13%Had 8%Want 80%

4.83/ 5 · 6 votes

Have 26%Had 3%Want 72%

Category winnerNot enough dataRating 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

83%Love

17%Like

0%Ok

0%Dislike

0%Hate

6 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity91

〰 Sillage85

♥ Love / hate91

⏱ Longevity83

〰 Sillage68

♥ Love / hate96

Category winners

LongevityIrisium

SillageIrisium

Value for money

How fairly priced voters find it

¤ Price value85

¤ Price value68

Category winnerIrisiumBest value score

Main accords

Strength of each scent family · outlined = shared by both

powdery100%

iris91%

woody83%

musky74%

earthy65%

floral56%

powdery100%

iris90%

woody80%

musky70%

earthy60%

warm spicy50%

Scent match62%Closely related · both powdery, iris and woody

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

Top

IrisLavender

Heart

Orris RootVelvetWhite MuskCacao PodCoffee

Base

VanillaSandalwoodPatchouliAmber

InformationalShared notesOrris Root, Iris and Velvet. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring33

Summer33

Fall100

Winter100

Day50

Night100

Spring100

Summer60

Fall40

Winter60

Day67

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men0

Unisex10

Women90

Men0

Unisex57

Women43

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#38,502

PerfumerValeria Karmanova

Launched—

Reviews0

Overall rank#39,648

PerfumerBurak Turkmen

Launched—

Reviews0

Category winnerIrisiumHigher 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 →

Special Occasion by Scent Sample Studio creates a profile built on powdery iris and creamy sandalwood. This unisex release from 2025 emphasizes a blend of orris root and cacao pod for a contemporary, gourmand-adjacent feel. It serves as an easy-wearing choice for casual days or office settings during the spring, offer…

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.

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Common questions

Straight answers from the data above.

Which is better, Irisium or Special Occasion?

Irisium takes 4 of 4 categories. Irisium is rated 4.64/5 from 14 votes; Special Occasion is rated 4.83/5 from 6 votes. Choose Irisium for a powdery and iris character. Wins on longevity, sillage & projection and value for money. Best in fall, evening wear. Choose Special Occasion for a powdery and iris character. Best in spring, evening wear.

Which lasts longer, Irisium or Special Occasion?

Irisium lasts longest (Irisium 91/100, Special Occasion 83/100), based on community performance votes.

Which projects more, Irisium or Special Occasion?

Irisium projects furthest (Irisium 85/100, Special Occasion 68/100), based on community performance votes.

Do Irisium and Special Occasion smell similar?

Closely related: a 62% scent match on Fragranxe. Both share powdery, iris and woody accords. Common notes include Orris Root, Iris and Velvet.

Is Irisium or Special Occasion better for summer or winter?

Irisium suits evening wear; Special Occasion suits evening wear. Based on community season votes.

What are the notes in Irisium and Special Occasion?

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. Special Occasion has top notes of Iris and Lavender, heart notes of Orris Root, Velvet, White Musk and Cacao Pod, a base of Vanilla, Sandalwood, Patchouli and Amber.