Comparing the two fragrances…

Guerlain

Juvena
Fleur De Feu
Fleurance
Only in Fleur De Feu
Shared character
Both Fleur De Feu and Fleurance share a floral, woody, and green character. They both feature notes of jasmine, rose, bergamot, ylang-ylang, sandalwood, musk, lily of the valley, and aldehydes, resulting in white floral accords.
How they differ
Fleur De Feu is characterized by powdery, sweet, and spicy accords, incorporating notes of heliotrope, vanilla, tonka bean, violet, iris, honey, and acacia. In contrast, Fleurance features aromatic and fresh spicy accords, utilizing notes of orange blossom, tuberose, oakmoss, amber, galbanum, narcissus, fruity notes, hyacinth, cedar, moss, virginia cedar, and african orange flower.
Who each suits
Fleur De Feu suits those who prefer sweet, powdery, and vanilla-leaning compositions. Fleurance suits those who prefer yellow floral, aromatic, and mossy profiles.
Only in Fleurance