Fragrance comparison

Kaiak O2 vs Pulse Boost

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

Updated 10 Oct 2026 268 ratings analysed

4 wins

Kaiak O2

Natura · 2023

4.01241 votes

Rank #28,276 CitrusFresh Spicy

Full profile Similar & dupes

70%scent match

Closely related

Pulse Boost

Eudora

3.8127 votes

Rank #30,955 Fresh SpicyFresh

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Kaiak O2 takes 4 of 7 categories.

Kaiak O2
Choose it for a citrus and fresh spicy character. Wins on ratings & consensus, longevity and sillage & projection. Best in spring.
Pulse Boost
Choose it for a fresh spicy and fresh character. Wins on community sentiment, value for money and versatility. Best in summer, daytime wear.

Kaiak O24/7

Pulse Boost3/7

Ratings & consensus: Kaiak O2
Community sentiment: Pulse Boost
Longevity: Kaiak O2
Sillage & projection: Kaiak O2
Value for money: Pulse Boost
Versatility: Pulse Boost
Note pyramid (duration): Not scored
Fragranxe ranking: Kaiak O2

Head-to-head breakdown

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

Fragrance

Kaiak O2Natura

Pulse BoostEudora

Winner

Ratings & consensus

Average rating and ownership split

4.01/ 5 · 241 votes

Have 78%Had 22%Want 0%

3.81/ 5 · 27 votes

Have 62%Had 17%Want 20%

Category winnerKaiak O2Rating weighted by vote count

Community sentiment

How voters split from love to hate

30%Love

36%Like

19%Ok

9%Dislike

5%Hate

235 votes

11%Love

70%Like

11%Ok

4%Dislike

4%Hate

27 votes

Category winnerPulse BoostMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity58

〰 Sillage47

♥ Love / hate69

⏱ Longevity52

〰 Sillage44

♥ Love / hate70

Category winners

LongevityKaiak O2

SillageKaiak O2

Value for money

How fairly priced voters find it

¤ Price value72

¤ Price value93

Category winnerPulse BoostBest value score

Main accords

Strength of each scent family · outlined = shared by both

citrus100%

fresh spicy92%

aquatic84%

fresh77%

aromatic69%

green46%

fresh spicy100%

fresh92%

aquatic84%

aromatic77%

fruity69%

citrus61%

Scent match70%Closely related · both fresh spicy, fresh and aquatic

Note pyramid (duration)

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

Top

LemonWatery NotesGrapefruitLavenderMintJuniperCardamomApple

Heart

PineGeraniumCedarViolet

Base

MossPatchouliVetiverSandalwoodAmber

Top15-30 mins

AppleGrapefruitGingerBlack PepperCardamom

Heart1-2 hrs

Watery NotesLavenderSageGeraniumNutmeg

Base3-4 hrs

FrankincenseCedarPatchouliMoss

InformationalShared notesWatery Notes, Grapefruit, Lavender and Cardamom. Durations are only published for Pulse Boost, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer0

Fall0

Winter8

Day–

Night–

Spring95

Summer100

Fall52

Winter29

Day100

Night32

Category winnerPulse BoostMost year-round

Who wears it

Gender appeal votes

Men85

Unisex14

Women1

Men91

Unisex9

Women0

Casual 49%Work 31%Date 11%Party 9%

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#28,276

PerfumerVerônica Kato

Launched2023

Reviews0

Overall rank#30,955

PerfumerNot listed

Launched—

Reviews1

Category winnerKaiak O2Higher overall rank

In a nutshell

Description & review snapshot

Natura Kaiak O2 is a vibrant citrus aromatic fragrance for men, launched in 2023. It features a refreshing blend of lemon, mint, and watery notes that provide a cooling sensation, making it an excellent choice for hot summer days. The composition balances crisp spicy pepper with an earthy priprioca base, creating a cl…

Reviews →

Pulse Boost by Eudora hits the air with a brisk crack of crisp green apple, tart grapefruit, and freshly sliced ginger. It does not pretend to be a heavy evening statement. Instead, it leans fully into clean, athletic energy. A quick splash of watery notes and herbal lavender washes across the middle before setting in…

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, Kaiak O2 or Pulse Boost?

Kaiak O2 takes 4 of 7 categories. Kaiak O2 is rated 4.01/5 from 241 votes; Pulse Boost is rated 3.81/5 from 27 votes. Choose Kaiak O2 for a citrus and fresh spicy character. Wins on ratings & consensus, longevity and sillage & projection. Best in spring. Choose Pulse Boost for a fresh spicy and fresh character. Wins on community sentiment, value for money and versatility. Best in summer, daytime wear.

Which lasts longer, Kaiak O2 or Pulse Boost?

Kaiak O2 lasts longest (Kaiak O2 58/100, Pulse Boost 52/100), based on community performance votes.

Which projects more, Kaiak O2 or Pulse Boost?

Kaiak O2 projects furthest (Kaiak O2 47/100, Pulse Boost 44/100), based on community performance votes.

Do Kaiak O2 and Pulse Boost smell similar?

Closely related: a 70% scent match on Fragranxe. Both share fresh spicy, fresh and aquatic accords. Common notes include Watery Notes, Grapefruit, Lavender and Cardamom.

Is Kaiak O2 or Pulse Boost better for summer or winter?

For summer, Pulse Boost is the stronger pick. For winter, Pulse Boost is the stronger pick. Pulse Boost suits daytime wear. Based on community season votes.

What are the notes in Kaiak O2 and Pulse Boost?

Kaiak O2 has top notes of Lemon, Watery Notes, Grapefruit and Lavender, heart notes of Pine, Geranium, Cedar and Violet, a base of Moss, Patchouli, Vetiver and Sandalwood. Pulse Boost has top notes of Apple, Grapefruit, Ginger and Black Pepper, heart notes of Watery Notes, Lavender, Sage and Geranium, a base of Frankincense, Cedar, Patchouli and Moss.