Fragrance comparison

CK One Collector's Edition vs Blue Space

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

Updated 8 Nov 2026 208 ratings analysed

3 wins

CK One Collector's Edition

Calvin Klein

3.81200 votes

Rank #35,949 AromaticWoody

Full profile Similar & dupes

41%scent match

Some overlap

Blue Space

Samy Andraus Fragrances

3.888 votes

Rank #45,887 AmberCitrus

Full profile Similar & dupes

Quick verdict

Which one should you pick?

CK One Collector's Edition takes 3 of 4 categories.

CK One Collector's Edition
Choose it for a aromatic and woody character. Wins on sillage & projection, value for money and fragranxe ranking. Best in summer, daytime wear.
Blue Space
Choose it for a amber and citrus character. Wins on longevity. Best in spring, day or night wear.

CK One Collector's Edition3/4

Blue Space1/4

Ratings & consensus: Not scored
Community sentiment: Not scored
Longevity: Blue Space
Sillage & projection: CK One Collector's Edition
Value for money: CK One Collector's Edition
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: CK One Collector's Edition

Head-to-head breakdown

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

Fragrance

CK One Collector's EditionCalvin Klein

Blue SpaceSamy Andraus Fragrances

Winner

Ratings & consensus

Average rating and ownership split

3.81/ 5 · 200 votes

Have 64%Had 22%Want 14%

3.88/ 5 · 8 votes

Have 56%Had 0%Want 44%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

25%Love

44%Like

19%Ok

11%Dislike

1%Hate

200 votes

63%Love

13%Like

0%Ok

0%Dislike

25%Hate

8 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity58

〰 Sillage55

♥ Love / hate70

⏱ Longevity60

〰 Sillage54

♥ Love / hate72

Category winners

LongevityBlue Space

SillageCK One Collector's Edition

Value for money

How fairly priced voters find it

¤ Price value73

¤ Price value64

Category winnerCK One Collector's EditionBest value score

Main accords

Strength of each scent family · outlined = shared by both

aromatic100%

woody91%

citrus83%

fresh spicy74%

amber65%

musky56%

amber100%

citrus86%

warm spicy72%

musky58%

fresh44%

aquatic30%

Scent match41%Some overlap · both citrus, amber and musky

Note pyramid (duration)

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

Top30 to 45 minutes

BergamotRhubarbGrapefruit

Heart1 to 2 hours

Pine needlesRosemaryGin

Base2 to 4 hours

BirchAmbrettolideAmbroxan

Top

BergamotGingerGrapefruit

Heart

Water NotesSageRosemaryGeranium

Base

LabdanumAmberAmbroxan

InformationalShared notesBergamot, Grapefruit, Rosemary and Ambroxan. Durations are only published for CK One Collector's Edition, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring98

Summer100

Fall61

Winter37

Day100

Night20

Spring100

Summer100

Fall50

Winter50

Day100

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men46

Unisex52

Women2

Men71

Unisex0

Women29

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#35,949

PerfumerAlberto Morillas, Harry Fremont

Launched—

Reviews0

Overall rank#45,887

PerfumerNot listed

Launched—

Reviews1

Category winnerCK One Collector's EditionHigher overall rank

In a nutshell

Description & review snapshot

CK One Collector's Edition by Calvin Klein offers an aromatic, wood-tinged twist on crisp citrus freshness. Launched in 2019 and composed by perfumers Alberto Morillas and Harry Fremont, it opens with a sharp burst of bitter grapefruit, bergamot, and tangy rhubarb. This tart fruitiness immediately distinguishes it fro…

Reviews →

Blue Space opens with a bright burst of bergamot and bitter grapefruit, spiked with sharp ginger. Water notes and herbal sage quickly settle across the mid, softening the initial citrus bite without losing momentum. The opening feels crisp, clean, and immediately recognizable for fans of modern aquatic compositions. …

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, CK One Collector's Edition or Blue Space?

CK One Collector's Edition takes 3 of 4 categories. CK One Collector's Edition is rated 3.81/5 from 200 votes; Blue Space is rated 3.88/5 from 8 votes. Choose CK One Collector's Edition for a aromatic and woody character. Wins on sillage & projection, value for money and fragranxe ranking. Best in summer, daytime wear. Choose Blue Space for a amber and citrus character. Wins on longevity. Best in spring, day or night wear.

Which lasts longer, CK One Collector's Edition or Blue Space?

They last about the same: Blue Space 60/100, CK One Collector's Edition 58/100 for longevity in community votes.

Which projects more, CK One Collector's Edition or Blue Space?

Projection is very close: CK One Collector's Edition 55/100, Blue Space 54/100 for sillage.

Do CK One Collector's Edition and Blue Space smell similar?

Some overlap: a 41% scent match on Fragranxe. Both share citrus, amber and musky accords. Common notes include Bergamot, Grapefruit, Rosemary and Ambroxan.

Is CK One Collector's Edition or Blue Space better for summer or winter?

CK One Collector's Edition suits daytime wear; Blue Space suits day or night wear. Based on community season votes.

What are the notes in CK One Collector's Edition and Blue Space?

CK One Collector's Edition has top notes of Bergamot, Rhubarb and Grapefruit, heart notes of Pine needles, Rosemary and Gin, a base of Birch, Ambrettolide and Ambroxan. Blue Space has top notes of Bergamot, Ginger and Grapefruit, heart notes of Water Notes, Sage, Rosemary and Geranium, a base of Labdanum, Amber and Ambroxan.