Fragrance comparison

Hydrogen vs Unforgivable Black

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

Updated 14 Nov 2026 81 ratings analysed

Hydrogen

Intelligent

5.001 votes

Rank #69,802 AromaticFresh Spicy

Full profile Similar & dupes

56%scent match

Closely related

1 wins

Unforgivable Black

Sean John

3.6880 votes

Rank #12,128 CitrusAromatic

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Unforgivable Black takes 1 of 1 categories.

Hydrogen
Choose it for a aromatic and fresh spicy character.
Unforgivable Black
Choose it for a citrus and aromatic character. Wins on fragranxe ranking. Best in summer, day or night wear.

Hydrogen0/1

Unforgivable Black1/1

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

Head-to-head breakdown

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

Fragrance

HydrogenIntelligent

Unforgivable BlackSean John

Winner

Ratings & consensus

Average rating and ownership split

5.00/ 5 · 1 votes

Have 63%Had 0%Want 38%

3.68/ 5 · 80 votes

Have 58%Had 42%Want 0%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

Not enough votes yet

39%Love

41%Like

3%Ok

16%Dislike

1%Hate

75 votes

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ LongevityN/A

〰 SillageN/A

♥ Love / hateN/A

⏱ Longevity67

〰 Sillage67

♥ Love / hate74

Category winners

LongevityNo data

SillageNo data

Value for money

How fairly priced voters find it

¤ Price valueN/A

¤ Price value60

Category winnerNot enough dataBest value score

Main accords

Strength of each scent family · outlined = shared by both

aromatic100%

fresh spicy92%

citrus84%

musky77%

amber69%

warm spicy61%

citrus100%

aromatic90%

woody80%

fresh spicy70%

rum60%

warm spicy50%

Scent match56%Closely related · both aromatic, citrus and fresh spicy

Note pyramid (duration)

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

Top

BergamotCardamomGingerLemon

Heart

Violet LeafLavenderBasilPear

Base

Tonka BeanAmbroxanCedarMusk

Top

Green MandarinGrapefruitTangerineSicilian LemonBergamotPearCardamomLavender

Heart

IrisBasilClary SageRosemary

Base

Coconut RumCashmere WoodAmberAustralian SandalwoodTonka Bean

InformationalShared notesBergamot, Cardamom, Lemon and Lavender. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

No season votes yet

Spring94

Summer100

Fall75

Winter100

Day100

Night95

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Not enough votes yet

Men86

Unisex14

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#69,802

PerfumerNot listed

Launched—

Reviews1

Overall rank#12,128

PerfumerNot listed

Launched—

Reviews17

Category winnerUnforgivable BlackHigher overall rank

In a nutshell

Description & review snapshot

Hydrogen by Intelligent is a crisp, aromatic scent for men that highlights a zesty citrus opening before settling into a grounding woody base. With notes of bergamot, lemon, and cardamom, it provides a clean, energetic profile perfect for casual spring days or daily wear in the office where you want something professi…

Reviews →

Unforgivable Black by Sean John is a woody aromatic fragrance built around a core of coconut rum and dry woods. It opens with a bright blast of green mandarin and grapefruit before settling into a warmer, more mysterious base. Best suited for evening wear or casual nights out, it offers a distinct profile that sits co…

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, Hydrogen or Unforgivable Black?

Unforgivable Black takes 1 of 1 categories. Hydrogen is rated 5.00/5 from 1 votes; Unforgivable Black is rated 3.68/5 from 80 votes. Choose Hydrogen for a aromatic and fresh spicy character. Choose Unforgivable Black for a citrus and aromatic character. Wins on fragranxe ranking. Best in summer, day or night wear.

Do Hydrogen and Unforgivable Black smell similar?

Closely related: a 56% scent match on Fragranxe. Both share aromatic, citrus and fresh spicy accords. Common notes include Bergamot, Cardamom, Lemon and Lavender.

Is Hydrogen or Unforgivable Black better for summer or winter?

Unforgivable Black suits day or night wear. Based on community season votes.

What are the notes in Hydrogen and Unforgivable Black?

Hydrogen has top notes of Bergamot, Cardamom, Ginger and Lemon, heart notes of Violet Leaf, Lavender, Basil and Pear, a base of Tonka Bean, Ambroxan, Cedar and Musk. Unforgivable Black has top notes of Green Mandarin, Grapefruit, Tangerine and Sicilian Lemon, heart notes of Iris, Basil, Clary Sage and Rosemary, a base of Coconut Rum, Cashmere Wood, Amber and Australian Sandalwood.