Comparing the two fragrances…

Aqualis

Guerlain
Origin
L'Initial
Only in Origin
Shared character
Both Origin and L'Initial feature a floral profile centered around jasmine, Turkish rose, musk, patchouli, and vanilla, resulting in powdery and vanilla accords.
How they differ
Origin is characterized by woody, balsamic, and patchouli accords, incorporating notes of cedarwood, sandalwood, amber, saffron, animalic notes, spices, oud, tobacco, papyrus, Egyptian jasmine, and bourbon vanilla. L'Initial focuses on citrus, spicy, sweet, oriental, almond, and caramel accords, utilizing notes of bergamot, orange blossom, tonka bean, caramel, orange, iris, white musk, and almond alongside its rose elements.
Who each suits
Origin may suit those who prefer woody, balsamic, and spicy profiles with oud and tobacco elements. L'Initial may suit those who prefer citrus, sweet, and almond-leaning scents with iris and caramel notes.
Only in L'Initial