Fragrance comparison

Diorella vs Hydra Science

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

Updated 14 Nov 2026 1,963 ratings analysed

3 wins

Diorella

Dior · 1972

4.101,962 votes

Rank #452 CitrusGreen

Full profile Similar & dupes

25%scent match

Clearly different

Hydra Science

Judith Williams

4.001 votes

Rank #66,471 WoodyFloral

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Diorella takes 3 of 3 categories.

Diorella
Choose it for a citrus and green character. Wins on longevity, sillage & projection and fragranxe ranking. Best in spring.
Hydra Science
Choose it for a woody and floral character. Best in spring, daytime wear.

Diorella3/3

Hydra Science0/3

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

Head-to-head breakdown

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

Fragrance

DiorellaDior

Hydra ScienceJudith Williams

Winner

Ratings & consensus

Average rating and ownership split

4.10/ 5 · 1,962 votes

Have 56%Had 44%Want 0%

4.00/ 5 · 1 votes

Have 15%Had 0%Want 85%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

47%Love

39%Like

3%Ok

11%Dislike

0%Hate

1,632 votes

0%Love

100%Like

0%Ok

0%Dislike

0%Hate

1 vote · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity71

〰 Sillage64

♥ Love / hate80

⏱ Longevity40

〰 Sillage38

♥ Love / hate75

Category winners

LongevityDiorella

SillageDiorella

Value for money

How fairly priced voters find it

¤ Price value56

¤ Price valueN/A

Category winnerNot enough dataBest value score

Main accords

Strength of each scent family · outlined = shared by both

citrus100%

green92%

aromatic84%

white floral77%

earthy69%

fresh spicy61%

woody100%

floral92%

musky84%

white floral77%

powdery69%

aromatic61%

Scent match25%Clearly different · both white floral and aromatic

Note pyramid (duration)

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

Top

Green NotesSicilian LemonBergamotBasilMelon

Heart

HoneysuckleMoroccan JasminePeachCarnationCyclamenRose

Base

OakmossVetiverPatchouliMusk

Top

CarnationReseda

Heart

TuberoseCyclamenHoneysuckleMoroccan RoseSea Notes

Base

White Cedar ExtractMusk

InformationalShared notesHoneysuckle, Carnation, Cyclamen and Musk. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring100

Summer0

Fall0

Winter27

Day–

Night–

Spring100

Summer50

Fall50

Winter0

Day100

Night50

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men1

Unisex36

Women63

Not enough votes yet

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#452

PerfumerEdmond Roudnitska

Launched1972

Reviews244

Overall rank#66,471

PerfumerNot listed

Launched—

Reviews0

Category winnerDiorellaHigher overall rank

In a nutshell

Description & review snapshot

Dior Diorella opens with a sparkling splash of cold Sicilian lemon, crisp bergamot rind, and crushed garden basil. Almost immediately, a juicy slice of ripe honeydew melon enters the mix, adding a watery sweetness that softens the tart green bite. As the fragrance warms on your skin, creamy Moroccan jasmine petals, sw…

Reviews →

Hydra Science is a floral aquatic fragrance that anchors traditional white flowers in a wash of sea notes. Launched in 2016, it centers on the pairing of tuberose and carnation, finished with a crisp white cedar base. This scent is well-suited for warm spring days when you want something clean and slightly powdery for…

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, Diorella or Hydra Science?

Diorella takes 3 of 3 categories. Diorella is rated 4.10/5 from 1,962 votes; Hydra Science is rated 4.00/5 from 1 votes. Choose Diorella for a citrus and green character. Wins on longevity, sillage & projection and fragranxe ranking. Best in spring. Choose Hydra Science for a woody and floral character. Best in spring, daytime wear.

Which lasts longer, Diorella or Hydra Science?

Diorella lasts longest (Diorella 71/100, Hydra Science 40/100), based on community performance votes.

Which projects more, Diorella or Hydra Science?

Diorella projects furthest (Diorella 64/100, Hydra Science 38/100), based on community performance votes.

Do Diorella and Hydra Science smell similar?

Clearly different: a 25% scent match on Fragranxe. Both share white floral and aromatic accords. Common notes include Honeysuckle, Carnation, Cyclamen and Musk.

Is Diorella or Hydra Science better for summer or winter?

Hydra Science suits daytime wear. Based on community season votes.

What are the notes in Diorella and Hydra Science?

Diorella has top notes of Green Notes, Sicilian Lemon, Bergamot and Basil, heart notes of Honeysuckle, Moroccan Jasmine, Peach and Carnation, a base of Oakmoss, Vetiver, Patchouli and Musk. Hydra Science has top notes of Carnation and Reseda, heart notes of Tuberose, Cyclamen, Honeysuckle and Moroccan Rose, a base of White Cedar Extract and Musk.