Fragrance comparison

Dark Matter vs Irth

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

Updated 9 Oct 2026 144 ratings analysed

Dark Matter

House of Cosmo

4.205 votes

Rank #49,123 EarthyIris

Full profile Similar & dupes

17%scent match

Clearly different

Irth

Nabeel

4.32139 votes

Rank #6,498 WoodyFruity

Full profile Similar & dupes

Quick verdict

Which one should you pick?

No clear winner: the 4 categories split 2–2.

Dark Matter
Choose it for a earthy and iris character. Wins on longevity and sillage & projection. Best in fall, evening wear.
Irth
Choose it for a woody and fruity character. Wins on value for money and fragranxe ranking. Best in winter.

Dark Matter2/4

Irth2/4

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

Head-to-head breakdown

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

Fragrance

Dark MatterHouse of Cosmo

IrthNabeel

Winner

Ratings & consensus

Average rating and ownership split

4.20/ 5 · 5 votes

Have 25%Had 0%Want 75%

4.32/ 5 · 139 votes

Have 42%Had 7%Want 52%

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

52%Love

35%Like

8%Ok

5%Dislike

1%Hate

139 votes

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity80

〰 Sillage75

♥ Love / hate80

⏱ Longevity72

〰 Sillage64

♥ Love / hate83

Category winners

LongevityDark Matter

SillageDark Matter

Value for money

How fairly priced voters find it

¤ Price value67

¤ Price value74

Category winnerIrthBest value score

Main accords

Strength of each scent family · outlined = shared by both

earthy100%

iris92%

woody84%

caramel77%

amber69%

lavender61%

woody100%

fruity92%

powdery84%

sweet77%

musky69%

rose61%

Scent match17%Clearly different · both woody

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

Damask RoseSpicesDried FruitsStrawberryPeachCandied FruitsPineappleCoconut

Heart

RoseOudCypriol Oil or NagarmothaAmyrisCedarwoodLily of the ValleyVioletIris

Base

White MuskVanillaLeatherAmberAmbergrisCivetGuaiac WoodSandalwood

InformationalShared notesViolet, Ambergris, Oud and Sandalwood. 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

Spring76

Summer0

Fall0

Winter100

Day–

Night–

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men100

Unisex0

Women0

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

Men36

Unisex54

Women10

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#49,123

PerfumerNot listed

Launched—

Reviews0

Overall rank#6,498

PerfumerNot listed

Launched—

Reviews9

Category winnerIrthHigher 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 →

Nabeel Irth arrives as a dense, sweet-spicy scent that commands attention. Released in 2023, it merges a heavy dose of dried fruits, strawberry, and cinnamon with a dark base of leather, amber, and incense. It fits best in freezing winter weather, wrapping the wearer in a thick, warm shield of exotic spices and woods.

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 Irth?

No clear winner: the 4 categories split 2–2. Dark Matter is rated 4.20/5 from 5 votes; Irth is rated 4.32/5 from 139 votes. Choose Dark Matter for a earthy and iris character. Wins on longevity and sillage & projection. Best in fall, evening wear. Choose Irth for a woody and fruity character. Wins on value for money and fragranxe ranking. Best in winter.

Which lasts longer, Dark Matter or Irth?

Dark Matter lasts longest (Dark Matter 80/100, Irth 72/100), based on community performance votes.

Which projects more, Dark Matter or Irth?

Dark Matter projects furthest (Dark Matter 75/100, Irth 64/100), based on community performance votes.

Do Dark Matter and Irth smell similar?

Clearly different: a 17% scent match on Fragranxe. Both share woody accords. Common notes include Violet, Ambergris, Oud and Sandalwood.

Is Dark Matter or Irth better for summer or winter?

Dark Matter suits evening wear. Based on community season votes.

What are the notes in Dark Matter and Irth?

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. Irth has top notes of Damask Rose, Spices, Dried Fruits and Strawberry, heart notes of Rose, Oud, Cypriol Oil or Nagarmotha and Amyris, a base of White Musk, Vanilla, Leather and Amber.