Si - 42 Rollerball

This 10ml rollerball reworks The Essence Vault's Si dupe into a travel format, aiming for the same blackcurrant-rose-patchouli signature that made Giorgio Armani's Si a modern classic. On application, the blackcurrant nectar opening is a fair, juicy match for the original's rich cassis top note. The rollerball's precise application makes it easy to layer through the day, and the rose-freesia heart carries a pleasant, sweet femininity that recalls Si's floral core, if with less depth. Where it falls short is longevity and richness in the base: the vanilla-patchouli dry-down that gives real Si its long, warm chypre finish is present but faint here, fading to almost nothing within an hour or two rather than lingering into the evening. As a discreet, pocket-sized way to top up a Si-adjacent scent through the day, it does the job, but don't expect it to replace a full bottle of the original for lasting power.