Fragrance comparison

Dark Matter vs Opulent Odyssey

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

Updated 9 Oct 2026 9 ratings analysed

Dark Matter

House of Cosmo

4.205 votes

Rank #49,123 EarthyIris

Full profile Similar & dupes

29%scent match

Clearly different

3 wins

Opulent Odyssey

Maison de l'Avenir

4.754 votes

Rank #31,850 WoodyFresh Spicy

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Opulent Odyssey takes 3 of 4 categories.

Dark Matter
Choose it for a earthy and iris character. Best in fall, evening wear.
Opulent Odyssey
Choose it for a woody and fresh spicy character. Wins on longevity, value for money and fragranxe ranking. Best in fall, evening wear.

Dark Matter0/4

Opulent Odyssey3/4

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

Head-to-head breakdown

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

Fragrance

Dark MatterHouse of Cosmo

Opulent OdysseyMaison de l'Avenir

Winner

Ratings & consensus

Average rating and ownership split

4.20/ 5 · 5 votes

Have 25%Had 0%Want 75%

4.75/ 5 · 4 votes

Have 52%Had 5%Want 43%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

80%Love

0%Like

0%Ok

0%Dislike

20%Hate

5 votes · too few to score

75%Love

25%Like

0%Ok

0%Dislike

0%Hate

4 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity80

〰 Sillage75

♥ Love / hate80

⏱ Longevity87

〰 Sillage75

♥ Love / hate94

Category winners

LongevityOpulent Odyssey

SillageTie

Value for money

How fairly priced voters find it

¤ Price value67

¤ Price value88

Category winnerOpulent OdysseyBest value score

Main accords

Strength of each scent family · outlined = shared by both

earthy100%

iris92%

woody84%

caramel77%

amber69%

lavender61%

woody100%

fresh spicy92%

amber84%

aromatic77%

leather69%

smoky61%

Scent match29%Clearly different · both woody and amber

Note pyramid (duration)

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

Top20-30 mins

Cotton CandyCaramelCashmere Wood

Heart3-4 hrs

OrrisLavenderIncenseJasmineTobaccoViolet

Base8-10+ hrs

CypriolPatchouliVetiverAmbergrisLabdanumMuskOudSandalwood

Top

CypressGingerRaspberryGreen NotesBergamotGeraniumMandarinSaffron

Heart

OudLeatherVioletRoseMateDamask Rose

Base

CastoreumSandalwoodAmberPatchouliLabdanumVanillaBenzoinIncense

InformationalShared notesIncense, Violet, Patchouli and Labdanum. Durations are only published for Dark Matter, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring0

Summer0

Fall100

Winter100

Day32

Night100

Spring0

Summer0

Fall100

Winter100

Day–

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men100

Unisex0

Women0

Date 40%Party 33%Casual 17%Work 10%

Men71

Unisex29

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#49,123

PerfumerNot listed

Launched—

Reviews0

Overall rank#31,850

PerfumerNot listed

Launched—

Reviews1

Category winnerOpulent OdysseyHigher overall rank

In a nutshell

Description & review snapshot

Dark Matter by House of Cosmo hits the air with a bold collision of spun sugar and damp soil. The opening spray bursts with warm caramel, sugary cotton candy, and soft cashmere wood. Within twenty minutes, the sweet cloud meets an earthy wall of powdery orris root, violet, and smoldering incense. It feels rich. A deep…

Reviews →

Opulent Odyssey opens with a crisp breeze of cypress and hot saffron, quickly shifting into a dark heart of leather and rose. Sandalwood and cypriol anchor the base, giving it a smoky dryness that feels sophisticated yet easy to wear in cool autumn weather.

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.

Common questions

Straight answers from the data above.

Which is better, Dark Matter or Opulent Odyssey?

Opulent Odyssey takes 3 of 4 categories. Dark Matter is rated 4.20/5 from 5 votes; Opulent Odyssey is rated 4.75/5 from 4 votes. Choose Dark Matter for a earthy and iris character. Best in fall, evening wear. Choose Opulent Odyssey for a woody and fresh spicy character. Wins on longevity, value for money and fragranxe ranking. Best in fall, evening wear.

Which lasts longer, Dark Matter or Opulent Odyssey?

Opulent Odyssey lasts longest (Opulent Odyssey 87/100, Dark Matter 80/100), based on community performance votes.

Which projects more, Dark Matter or Opulent Odyssey?

Projection is very close: Dark Matter 75/100, Opulent Odyssey 75/100 for sillage.

Do Dark Matter and Opulent Odyssey smell similar?

Clearly different: a 29% scent match on Fragranxe. Both share woody and amber accords. Common notes include Incense, Violet, Patchouli and Labdanum.

Is Dark Matter or Opulent Odyssey better for summer or winter?

Dark Matter suits evening wear; Opulent Odyssey suits evening wear. Based on community season votes.

What are the notes in Dark Matter and Opulent Odyssey?

Dark Matter has top notes of Cotton Candy, Caramel and Cashmere Wood, heart notes of Orris, Lavender, Incense and Jasmine, a base of Cypriol, Patchouli, Vetiver and Ambergris. Opulent Odyssey has top notes of Cypress, Ginger, Raspberry and Green Notes, heart notes of Oud, Leather, Violet and Rose, a base of Castoreum, Sandalwood, Amber and Patchouli.