Comparing the two fragrances…

Shiseido

ZENO
Zen
Gaia
Only in Zen
Shared character
Both Zen and Gaia feature a combination of rose, bergamot, sandalwood, musk, amber, patchouli, and incense. They both share citrus and woody accords.
How they differ
Zen contains a wide variety of floral, fruity, and powdery elements including jasmine, gardenia, orange blossom, cedarwood, grapefruit, oakmoss, freesia, olibanum, galbanum, narcissus, peach, lily of the valley, pineapple, lotus, marine, violet, mimosa, hyacinth, carnation, red apple, rose (China), orange, cedar, orris root, pine, skin accord, and orris. It is characterized by sweet, fresh spicy, and floral accords. In contrast, Gaia focuses on lemon, mint, vetiver, leather, pink pepper, saffron, spices, and oud, presenting green, leather, amber, aromatic, musky, and warm spicy accords.
Who each suits
Zen suits those who prefer floral, fruity, powdery, and sweet profiles. Gaia suits those who prefer green, leather, aromatic, and warm spicy profiles.
More Gaia comparisons