Halston Catalyst Eau de Toilette is a fragrance for women launched in 1993. The floral-chypre scent consists of: bergamot, gardenia, hyacinth and peach in top notes; carnation, orris root, jasmine, lily of the valley, narcissus, orange blossom, orchid, rose and tuberose in heart notes; amber, musk, sandalwood, vanilla, cedar, tree moss and oakmoss in the base. The strongest notes are narcissus and sandalwood. Perfume stand out with both excellent longevity and projection.