Fragrance comparison

Mademoiselle N. 12 vs Un je ne sais quoi

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

Updated 22 Oct 2026 14 ratings analysed

Mademoiselle N. 12

Parfums Constantine

3.888 votes

Rank #58,872 WoodySweet

Full profile Similar & dupes

35%scent match

Some overlap

3 wins

Un je ne sais quoi

Margot&Tita

4.336 votes

Rank #34,332 CitrusAromatic

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Un je ne sais quoi takes 3 of 5 categories.

Mademoiselle N. 12
Choose it for a woody and sweet character. Best in spring, daytime wear.
Un je ne sais quoi
Choose it for a citrus and aromatic character. Wins on longevity, value for money and fragranxe ranking. Best in summer, daytime wear.

Mademoiselle N. 120/5

Un je ne sais quoi3/5

Ratings & consensus: Not scored
Community sentiment: Not scored
Longevity: Un je ne sais quoi
Sillage & projection: Tie
Value for money: Un je ne sais quoi
Versatility: Not scored
Note pyramid (duration): Tie
Fragranxe ranking: Un je ne sais quoi

Head-to-head breakdown

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

Fragrance

Mademoiselle N. 12Parfums Constantine

Un je ne sais quoiMargot&Tita

Winner

Ratings & consensus

Average rating and ownership split

3.88/ 5 · 8 votes

Have 50%Had 12%Want 38%

4.33/ 5 · 6 votes

Have 42%Had 8%Want 50%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

13%Love

63%Like

25%Ok

0%Dislike

0%Hate

8 votes · too few to score

33%Love

67%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

⏱ Longevity58

〰 Sillage50

♥ Love / hate72

⏱ Longevity63

〰 Sillage50

♥ Love / hate83

Category winners

LongevityUn je ne sais quoi

SillageTie

Value for money

How fairly priced voters find it

¤ Price value73

¤ Price value90

Category winnerUn je ne sais quoiBest value score

Main accords

Strength of each scent family · outlined = shared by both

woody100%

sweet92%

floral84%

aromatic77%

fresh69%

green61%

citrus100%

aromatic83%

green65%

fresh spicy48%

fresh30%

Scent match35%Some overlap · both aromatic, green and fresh

Note pyramid (duration)

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

Top15-30 mins

LemonMint

Heart2-3 hrs

JasminePeonyPink Pepper

Base4-6 hrs

Virginia CedarSugar CaneFrench labdanum

Top15-30 mins

BergamotLemonGinger

Heart2-3 hrs

TeaCorianderThymeMint

Base4-6 hrs

MuskJasminePeony

Category winnerTieSame dry-down length

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer80

Fall40

Winter20

Day100

Night35

Spring33

Summer100

Fall17

Winter0

Day100

Night24

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men0

Unisex0

Women100

Casual 39%Work 33%Date 18%Party 11%

Men0

Unisex43

Women57

Casual 40%Work 35%Date 15%Party 11%

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#58,872

PerfumerNot listed

Launched—

Reviews0

Overall rank#34,332

PerfumerNot listed

Launched—

Reviews3

Category winnerUn je ne sais quoiHigher overall rank

In a nutshell

Description & review snapshot

Parfums Constantine Mademoiselle N. 12 hits the air with a brisk crackle of tart lemon and crushed mint. The initial spray delivers an immediate cooling rush. It feels like cracking open a frosty glass of sparkling citrus water on an oppressive July afternoon. Within twenty minutes, the sharp citrus edge softens into …

Reviews →

Un je ne sais quoi by Margot&Tita opens with an invigorating rush of tart lemon, sunlit bergamot, and a tiny bite of spicy ginger. As the sparkling citrus opening settles, the fragrance shifts into a soothing heart of steeped green tea, garden mint, and savory coriander seeds. Delicate herbal thyme adds a crisp, natur…

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, Mademoiselle N. 12 or Un je ne sais quoi?

Un je ne sais quoi takes 3 of 5 categories. Mademoiselle N. 12 is rated 3.88/5 from 8 votes; Un je ne sais quoi is rated 4.33/5 from 6 votes. Choose Mademoiselle N. 12 for a woody and sweet character. Best in spring, daytime wear. Choose Un je ne sais quoi for a citrus and aromatic character. Wins on longevity, value for money and fragranxe ranking. Best in summer, daytime wear.

Which lasts longer, Mademoiselle N. 12 or Un je ne sais quoi?

Un je ne sais quoi lasts longest (Un je ne sais quoi 63/100, Mademoiselle N. 12 58/100), based on community performance votes.

Which projects more, Mademoiselle N. 12 or Un je ne sais quoi?

Projection is very close: Mademoiselle N. 12 50/100, Un je ne sais quoi 50/100 for sillage.

Do Mademoiselle N. 12 and Un je ne sais quoi smell similar?

Some overlap: a 35% scent match on Fragranxe. Both share aromatic, green and fresh accords. Common notes include Lemon, Mint, Jasmine and Peony.

Is Mademoiselle N. 12 or Un je ne sais quoi better for summer or winter?

Mademoiselle N. 12 suits daytime wear; Un je ne sais quoi suits daytime wear. Based on community season votes.

What are the notes in Mademoiselle N. 12 and Un je ne sais quoi?

Mademoiselle N. 12 has top notes of Lemon and Mint, heart notes of Jasmine, Peony and Pink Pepper, a base of Virginia Cedar, Sugar Cane and French labdanum. Un je ne sais quoi has top notes of Bergamot, Lemon and Ginger, heart notes of Tea, Coriander, Thyme and Mint, a base of Musk, Jasmine and Peony.