HEAD-TO-HEAD COMPARISON · 2026
Grand Soir vs Side Effect
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, with better projection and longevity than Grand Soir. Choose Side Effect when you want a fragrance that announces itself and lasts the full day.
Grand Soir
Maison Francis Kurkdjian
Eau de Parfum
$245
VS
Side Effect
Initio Parfums Privés
Eau de Parfum
$255
PERFORMANCE METRICS
84/100
Longevity
88/100
70/100
Sillage
82/100
35%
Day Wear
20%
65%
Night Wear
80%
15%
Spring
10%
10%
Summer
5%
35%
Autumn
40%
40%
Winter
45%
41
Value (lower price wins)
39
Grand Soir
Top
Benzoin, Amber
Heart
Labdanum, Cinnamon
Base
Vanilla, Tonka Bean, Cedar
Side Effect
Top
Saffron, Cinnamon
Heart
Tobacco, Rum, Hedione
Base
Vanilla, Sandalwood, Musk
Shared Notes (2)
FREQUENTLY ASKED QUESTIONS
Is Grand Soir or Side Effect better?
Side Effect is the stronger performer, with better projection and longevity than Grand Soir. Choose Side Effect when you want a fragrance that announces itself and lasts the full day.
Which lasts longer, Grand Soir or Side Effect?
Side Effect lasts longer. Grand Soir is rated long lasting (8h - 10h) while Side Effect is rated long lasting (8h - 12h).
Do Grand Soir and Side Effect smell similar?
They share 2 notes: Cinnamon, Vanilla. There is some overlap, but each retains a distinct identity.
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