Layering means wearing two perfumes together. These combinations come from posts by fragrance fans. They are opinions, so test on your skin first.
How to apply 2 sprays Encre Noire (one each side of the neck) plus 1 spray Black Orchid on the neck pulse
When Not stated. My reading is evening, since both are dark.
Budget swap Black Orchid swap: Rasasi La Yuqawam Pour Femme or Al Aneeq Oud Jamal (from your list)
Keep in mind Old thread, formulas have changed since
Opening post of the biggest men's thread, repeated by a second poster. Source
How to apply Not stated
When Cool weather. One poster plans to try it while it is still chilly. Evening is my reading since both are heavy.
Budget swap Maison Alhambra Tobacco Touch + Maison Alhambra Toscano Leather (from your A to Z list, not tested for layering)
Keep in mind Both are heavy and expensive, easy to overdo
Two posters (Shanester66 and Pegasus) in the 285-post men's layering thread. Source
How to apply 1:1
When Not stated
Budget swap Fragrance World Alpha for Noir de Noir (from your list)
Keep in mind Single voice
One poster gives an exact 1:1 ratio. Source
How to apply Not stated
When Not stated
Two posters, one describes it as dark and mysterious. Source
How to apply Start with one layer of Terre then two layers of the Chanel on top. Poster says the result resembles Terre d'Hermes Eau Tres Fraiche
When Summer, per the poster
Keep in mind Single voice
One poster, with a clear method. Source
How to apply 1 spray The One then 2 to 3 sprays Vetiver
When Not stated
One poster, with an exact count. Source
How to apply 2 sprays The One plus 1 spray Icon from 15 to 25 cm away so Icon does not dominate
When Not stated
One poster, with distance and count. Source
How to apply 3 sprays Silver Mountain Water to 2 sprays Encre Noire
When Not stated
One poster, exact ratio. Source
How to apply Not stated
When Not stated
Budget swap Armaf Club de Nuit Intense Man is named by posters as the budget Aventus
Keep in mind Single voice
One poster calls it perfect, fruity Aventus over leathery herbal Drakkar drydown. Source
How to apply Not stated
When Not stated
Keep in mind Suggestion, not a tested result
One poster suggests it after liking Tobacco Vanille with Tuscan Leather. Source
How to apply Not stated
When Not stated
One poster. Source
How to apply Not stated
When Not stated
Keep in mind Shalimar is a strong vintage style, spray lightly
One poster calls the pair rewarding. Source
How to apply Not stated
When Hot summer evening, per the poster
One poster. Source
How to apply Not stated
When Not stated
Keep in mind Another poster mocks the Pure Malt plus Versace Eros pairing, so taste varies
One poster calls it awesome in a separate layering thread. Source
How to apply Not stated
When Not stated
One poster calls it lush. Choco Musk is a clone-house product. Source
How to apply Not stated
When Not stated
One poster says they have done it for years. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra Woody Oud or Al Haramain Platinum Oud for Oud Wood (from your list)
Keep in mind Single voice
One poster who also says Tom Ford and Mancera layer well. Source
How to apply Not stated
When Not stated
Keep in mind A separate poster pairs Insurrection II Pure with Al Rehab Silver
One poster says the sweeter Insurrection tames the sharp Supremacy. Source
How to apply Not stated
When Cooler temperatures. The poster says Vetiver turns cloying in heat
One poster, with a clear weather limit. Source
How to apply Vanilla goes underneath, the main scent on top
When Not stated
Keep in mind General advice, not a fixed pair
Several posters name these for layering. One says anything with vanilla is the safest start. Source
How to apply Use Tea Rose EDT. The parfum version has huge sillage
When Not stated
Keep in mind Dahn Oud can smell animalic
The article author calls oud with rose a centuries-old Middle Eastern pairing. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra, Zimaya and Lattafa have Roses Vanille alternatives listed in your A to Z sheet
Keep in mind Skin chemistry decides whether oud or rose wins
One poster says it gives more oud and less sweetness on her skin. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra Delilah for Delina (from your list)
Keep in mind Single voice
One poster says it gives beautiful roses. Source
How to apply Not stated
When Not stated
Keep in mind Suggestion only
One poster suggests it. Source
How to apply Not stated
When Not stated
Keep in mind Suggestion only
One poster suggests both. Source
How to apply Not stated
When Not stated
Keep in mind Single comment
A reader comment on Fragrantica says the mix works as a strong dupe of Tom Ford Noir Noir. Source
How to apply Not stated
When Not stated
Keep in mind Old style, powdery
The article author says aldehydes and civet connect the two. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra Victoria Flower for Flowerbomb (from your list)
Keep in mind Old thread
One poster in the sexiest-pairings thread. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra La Vita Bella for La Vie Est Belle (from your list)
Keep in mind Old thread
One poster. Source
How to apply Not stated
When Not stated
One poster. Source
How to apply Not stated
When Not stated
Budget swap Lattafa Khamrah or Maison Alhambra Kismet Angel for Angels' Share (from your list)
Keep in mind Single voice
One poster lists it among her regular layers. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra Libbra for Libre (from your list)
Keep in mind Single voice
Same poster's list. Source
How to apply Not stated
When Not stated
Budget swap Maison Alhambra My Party for Mon Paris, Al Rehab Choco Musk for Vanilla 28 (from your list)
Keep in mind Single voice
Same poster's list. Source
How to apply Not stated
When Not stated
Keep in mind Single voice
Same poster's list. Source
How to apply Spray Khamrah lightly
When Not stated, but the poster says it lasts 12+ hours
Keep in mind Bianco Latte is Giardini di Toscana, not a clone-house product
Two posters, one calls it a beast combo. Source
How to apply Khamrah adds warmth underneath the fruit
When Helps a bright day scent turn into a night or autumn scent, per the reviewer
Keep in mind General idea, not one exact pair
Two reviewers on the Khamrah page. Source
How to apply If the second scent is heavy, spray each on a different spot
When Cold days
Keep in mind General advice
Two posters call the Khamrah family a layering monster. Source
How to apply Use The Trail as the base for extra smoke
When Cold weather
Keep in mind Single voice
One reviewer is very enthusiastic. Source
How to apply Not stated
When Not stated
Keep in mind Single voice
One reviewer on the Khamrah page calls it a killer combo. Source
How to apply Not stated
When Autumn and winter
Keep in mind Single voice
One reviewer uses it to tone down a douchebag vibe. Source
How to apply Not stated
When Not stated
Keep in mind Single voice
One reviewer says it brings out the cinnamon. Source
How to apply Not stated
When Not stated
Keep in mind Single voice
One reviewer says it is nice. Source
How to apply Not stated
When Not stated
Keep in mind Suggestion only
The topic starter in the Lattafa layering thread. Source