HEAD-TO-HEAD COMPARISON · 2026
Sì Eau de Parfum vs Alien Eau de Parfum
Which should you buy? Full side-by-side breakdown of notes, performance, seasons, value, and our verdict.
QUICK VERDICT
Alien Eau de Parfum is the stronger performer, with better projection and longevity than Sì Eau de Parfum. Choose Alien Eau de Parfum when you want a fragrance that announces itself and lasts the full day.
PERFORMANCE METRICS
80/100
Longevity
90/100
74/100
Sillage
88/100
55%
Day Wear
30%
45%
Night Wear
70%
30%
Spring
20%
20%
Summer
15%
30%
Autumn
30%
20%
Winter
35%
105
Value (lower price wins)
111
Sì Eau de Parfum
Top
Blackcurrant Nectar, Mandarin, Bergamot
Heart
Freesia, Rose, Jasmine
Base
Patchouli, Vanilla, Ambergris, Sandalwood
Alien Eau de Parfum
Top
Jasmine Sambac, Mandarin
Heart
Jasmine, Cashmeran, Solar Notes
Base
Amber, White Amber, Woody Notes
Shared Notes (2)
FREQUENTLY ASKED QUESTIONS
Is Sì Eau de Parfum or Alien Eau de Parfum better?
Alien Eau de Parfum is the stronger performer, with better projection and longevity than Sì Eau de Parfum. Choose Alien Eau de Parfum when you want a fragrance that announces itself and lasts the full day.
Which lasts longer, Sì Eau de Parfum or Alien Eau de Parfum?
Alien Eau de Parfum lasts longer. Sì Eau de Parfum is rated moderate to long lasting (6h - 8h) while Alien Eau de Parfum is rated very long lasting (10h - 14h).
Do Sì Eau de Parfum and Alien Eau de Parfum smell similar?
They share 2 notes: Mandarin, Jasmine. There is some overlap, but each retains a distinct identity.
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