Fragrance comparison

Knowledge Men vs Scarlet Jas

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

Updated 14 Nov 2026 70 ratings analysed

Knowledge Men

Rasasi

3.6926 votes

Rank #28,583 Warm SpicyIris

Full profile Similar & dupes

26%scent match

Clearly different

6 wins

Scarlet Jas

Just Jack

4.1844 votes

Rank #12,584 White FloralYellow Floral

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Scarlet Jas takes 6 of 7 categories.

Knowledge Men
Choose it for a warm spicy and iris character. Wins on sillage & projection. Best in summer, daytime wear.
Scarlet Jas
Choose it for a white floral and yellow floral character. Wins on ratings & consensus, community sentiment and longevity. Best in spring, evening wear.

Knowledge Men1/7

Scarlet Jas6/7

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

Head-to-head breakdown

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

Fragrance

Knowledge MenRasasi

Scarlet JasJust Jack

Winner

Ratings & consensus

Average rating and ownership split

3.69/ 5 · 26 votes

Have 38%Had 37%Want 25%

4.18/ 5 · 44 votes

Have 59%Had 7%Want 35%

Category winnerScarlet JasRating weighted by vote count

Community sentiment

How voters split from love to hate

19%Love

50%Like

12%Ok

19%Dislike

0%Hate

26 votes

45%Love

36%Like

11%Ok

5%Dislike

2%Hate

44 votes

Category winnerScarlet JasMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity60

〰 Sillage61

♥ Love / hate67

⏱ Longevity67

〰 Sillage60

♥ Love / hate80

Category winners

LongevityScarlet Jas

SillageKnowledge Men

Value for money

How fairly priced voters find it

¤ Price value55

¤ Price value88

Category winnerScarlet JasBest value score

Main accords

Strength of each scent family · outlined = shared by both

warm spicy100%

iris90%

fresh spicy80%

woody70%

floral60%

powdery50%

white floral100%

yellow floral92%

woody84%

fresh spicy77%

sweet69%

citrus61%

Scent match26%Clearly different · both fresh spicy and woody

Note pyramid (duration)

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

Top

White PepperLotus

Heart

IrisCardamom

Base

Spicy NotesWoody Notes

Top

White PepperBlack PepperBergamotCinnamonGingerSicilian MandarinCardamom

Heart

Jasmine SambacYlang-YlangClary SageNeroli

Base

AmberWoody NotesLabdanumLeather

InformationalShared notesWhite Pepper, Cardamom and Woody Notes. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring67

Summer100

Fall61

Winter28

Day100

Night40

Spring100

Summer100

Fall53

Winter41

Day75

Night100

Category winnerScarlet JasMost year-round

Who wears it

Gender appeal votes

Men89

Unisex11

Women0

Men0

Unisex14

Women86

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#28,583

PerfumerNot listed

Launched—

Reviews4

Overall rank#12,584

PerfumerNot listed

Launched—

Reviews10

Category winnerScarlet JasHigher overall rank

In a nutshell

Description & review snapshot

Knowledge Men by Rasasi opens with a spicy blend of white pepper and clean lotus. It settles into an iris and cardamom heart, resting on a base of warm, woody notes. This is a subtle, semi-sweet fragrance suited for casual day wear in warmer climates. It behaves as a light skin scent, ideal for those who prefer unders…

Reviews →

Scarlet Jas by Just Jack captures the intense aroma of blooming white florals warmed by spices. Ginger, cardamom, and cinnamon greet the nose before yielding to a rich heart of jasmine sambac. Designed for women who enjoy bold floral compositions, it settles into a dry base of amber and leather that suits chilly sprin…

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, Knowledge Men or Scarlet Jas?

Scarlet Jas takes 6 of 7 categories. Knowledge Men is rated 3.69/5 from 26 votes; Scarlet Jas is rated 4.18/5 from 44 votes. Choose Knowledge Men for a warm spicy and iris character. Wins on sillage & projection. Best in summer, daytime wear. Choose Scarlet Jas for a white floral and yellow floral character. Wins on ratings & consensus, community sentiment and longevity. Best in spring, evening wear.

Which lasts longer, Knowledge Men or Scarlet Jas?

Scarlet Jas lasts longest (Scarlet Jas 67/100, Knowledge Men 60/100), based on community performance votes.

Which projects more, Knowledge Men or Scarlet Jas?

Projection is very close: Knowledge Men 61/100, Scarlet Jas 60/100 for sillage.

Do Knowledge Men and Scarlet Jas smell similar?

Clearly different: a 26% scent match on Fragranxe. Both share fresh spicy and woody accords. Common notes include White Pepper, Cardamom and Woody Notes.

Is Knowledge Men or Scarlet Jas better for summer or winter?

For summer, Knowledge Men is the stronger pick. For winter, Scarlet Jas is the stronger pick. Knowledge Men suits daytime wear; Scarlet Jas suits evening wear. Based on community season votes.

What are the notes in Knowledge Men and Scarlet Jas?

Knowledge Men has top notes of White Pepper and Lotus, heart notes of Iris and Cardamom, a base of Spicy Notes and Woody Notes. Scarlet Jas has top notes of White Pepper, Black Pepper, Bergamot and Cinnamon, heart notes of Jasmine Sambac, Ylang-Ylang, Clary Sage and Neroli, a base of Amber, Woody Notes, Labdanum and Leather.