A world of scent, a little clearer.

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The Perfume Bible / A closer look

O, Unknown!
meets Étui Noir.

Compare the recorded scent profiles, then decide what to sample.

Shared ground

Different note lists

The records do not list any identical notes. They may still share accords.

The distinction

Concentration not recorded leads with powdery; Concentration not recorded leads with amber. The table below separates their listed profiles and voting data.

At a glance
Imaginary Authors O, Unknown! bottle
Imaginary Authors

O, Unknown!

Concentration not recorded

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Miller Harris Étui Noir bottle
Miller Harris

Étui Noir

Concentration not recorded

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ConcentrationConcentration not recordedConcentration not recorded
Listed bottle sizesNot yet verifiedNot yet verified
Brand originNot yet verifiedUnited Kingdom
Made inNot yet verifiedNot yet verified
Listed year20172016
Leading accordspowdery · iris · woodyamber · leather · smoky
Notes unique to this recordOrris, Black Tea, Tea, Tolu Balsam, Sandalwood, Musk, Mosselemi, Tangerine, Bergamot, Incense, Iris, Styrax, Cashmere Wood, Leather, Birch, Labdanum, Vetiver, Amber, Patchouli
Longevity / 52.95 · 426 votes3.40 · 262 votes
Projection / 41.88 · 483 votes2.35 · 312 votes

Scores are category averages, not hours or controlled measurements. Different vote samples are not a head-to-head wear test. “Unique” notes here means absent from the other record, not proof of a formula difference.

Compare the labels

Ingredients, side by side.

Read the declared lists for the editions shown. Shared entries do not mean identical formulas, proportions or scent.

A label comparison will appear when both ingredient lists are verified for the same market.

O, Unknown!

Ingredient list not yet verified for this edition and market.

Étui Noir

Eau de parfum · US listing

Alcohol denat., Aqua (water), Parfum (fragrance), Alpha-isomethyl ionone, Limonene, Linalool, Cinnamyl alcohol, Benzyl cinnamate, Benzyl benzoate, Citral.

Official US storefront declaration. Check the packaging of your bottle for its batch-specific list.

Source: Miller Harris official US storefront ingredient declaration · Checked 2026-09-22

These are published ingredient declarations, separate from scent notes. “Parfum” or “fragrance” can represent a mixture without listing every component. Formulations can change by market and batch; check the packaging on your bottle. A matching or missing entry does not establish suitability for an allergy.

Follow your curiosity.

A starting point, not a verdict

Concentration not recorded

Start here if the listed powdery and iris direction interests you. Try it on skin before deciding.

Concentration not recorded

Start here if the listed amber and leather direction interests you. Try it on skin before deciding.