
CK One
Calvin KleinEau de Toilette1994
Side by side


CK One peaks in summer, while Rocky Man Irridium belongs to spring. The side by side below shows where they overlap.
This match is computed by our similarity model. The score weighs each fragrance's notes, accords, mood, occasion, weather fit, gender, and performance — the same scale as the badges on every “reminds of” rail.
The essentials
| CK One | Rocky Man Irridium | |
|---|---|---|
| Concentration | Eau de Toilette | Eau de Toilette |
| Launched | 1994 | 2012 |
| Gender | Unisex | Male |
| Perfumer | Alberto Morillas, Harry Frémont | — |
| Best season | Summer | Spring |
Scent DNA
CK One
Rocky Man Irridium
Shared between both fragrances
The pyramid
Notes both fragrances share
Community taste
| CK One | Rocky Man Irridium | |
|---|---|---|
| Score | 3.5/5 | 3.5/5 |
| Longevity | 4-6 hours | 4-6 hours |
| Sillage | moderate | moderate |
No varnish
This is the fragrance that made gender-neutral mainstream, not by playing it safe, but by getting the formula exactly right. Three decades later, the green tea signature and citrus spark still hit.CK One
Jeanne Arthes built this one with bite. The green-citrus opening arrives with conviction, and the aquatic heart follows through on that promise. There's nothing tentative about the construction.Rocky Man Irridium
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