HEAD-TO-HEAD COMPARISON · 2026
Side Effect vs Millésime Impérial
Which should you buy? Full side-by-side breakdown of notes, performance, seasons, value, and our verdict.
QUICK VERDICT
Side Effect is the stronger performer — it projects harder and lasts longer than Millésime Impérial. Choose Side Effect when you want presence and longevity, especially for evenings and special occasions.
PERFORMANCE METRICS
88/100
Longevity
62/100
82/100
Sillage
60/100
20%
Day Wear
70%
80%
Night Wear
30%
10%
Spring
33%
5%
Summer
37%
40%
Autumn
20%
45%
Winter
10%
39
Value (lower price wins)
29
Side Effect
Top
Saffron, Cinnamon
Heart
Tobacco, Rum, Hedione
Base
Vanilla, Sandalwood, Musk
Millésime Impérial
Top
Bergamot, Sicilian Lemon, Mandarin
Heart
Iris, Sea Notes, Marine Accord
Base
Sandalwood, Musk, Ambergris
Shared Notes (2)
FREQUENTLY ASKED QUESTIONS
Is Side Effect or Millésime Impérial better?
Side Effect is the stronger performer — it projects harder and lasts longer than Millésime Impérial. Choose Side Effect when you want presence and longevity, especially for evenings and special occasions.
Which lasts longer, Side Effect or Millésime Impérial?
Side Effect lasts longer. Side Effect is rated long lasting (8h - 12h) while Millésime Impérial is rated moderate (5h - 7h).
Do Side Effect and Millésime Impérial smell similar?
They share 2 notes: Sandalwood, Musk. There is some overlap, but each retains a distinct identity.
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