Blue Grass and Catalyst are very similar; both have Bergamot, Orange Blossom and Carnation. Blue Grass leans more aldehydic, while Catalyst leans powdery. Catalyst lasts longer and projects more.
Longer lastingCatalyst
Stronger projectionCatalyst
Better perceived valueBlue Grass
More of a night scentCatalyst
Accords
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AccordA blend of notes the nose perceives as one unified smell - like a chord made of musical notes.More in Learn →
ProjectionHow far the scent radiates from your skin while you stand still. The 'sillage / projection' votes on fragrance pages blend the two, so read them as overall reach.More in Learn →