Comparing the two fragrances…

Di Ser / ディセル

Il Profumiere
Iris
Poudre e Iris
Shared character
Both Iris by Di Ser / ディセル and Poudre e Iris by Il Profumiere feature a core composition of iris, lemon, vanilla, musk, amber, and rose, resulting in floral and powdery profiles.
How they differ
Iris by Di Ser / ディセル incorporates a wide array of additional elements including bergamot, cedarwood, neroli, yuzu, lavender, thyme, lily, violet, aniseed, marine notes, gaiac wood, frangipani, and amalfi lemon, which contribute citrus, green, tropical, and white floral accords. In contrast, Poudre e Iris by Il Profumiere focuses on orange blossom, heliotrope, tonka bean, lily of the valley, and white rose, creating almond, amber, musky, and vanilla accords.
Who each suits
Iris by Di Ser / ディセル suits those who prefer a complex profile containing green, marine, and spicy notes alongside citrus and woody elements. Poudre e Iris by Il Profumiere suits those who prefer a composition centered on almond, tonka bean, and soft floral accords.
More Iris comparisons
Only in Poudre e Iris