Vendor: Calvin Klein
Eternity Summer 2012
sunlit peach and citrus, floral gardenia haze

sparkling citrus gin fizz, green herbs, clean musk
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What the community says
Scendira's summary of what people post on perfume review sites, updated 25 Oct 2026: 71 describe how long it lasts, 41 how far it projects and 45 how it smells. Most other posts only name CK IN2U for Him.
60% of people get 3–6 hours. From 33 people who said how many hours. The dot is the middle answer (4 h).
Leans short
Most people who describe it say it fades quickly: about 3 in 5.
The clear majority, about 4 in 5, say it stays close to the skin.
From 32 mentions of a season.
Reddit threads about it
Typical perfume we track: 8%.
Calvin Klein CK IN2U for Him: what people say about it.
In short: A warm-weather scent.
Most often worn by men.
60% of people get 3–6 hours of wear (33 people who said how many hours; the middle answer is 4 hours).
Leans short (71 people): Most people who describe it say it fades quickly: about 3 in 5.
Stays close to the skin (41 people): The clear majority, about 4 in 5, say it stays close to the skin.
Of the 32 mentions of a season, about 8 in 10 are about warmer weather.
People wear it most for: warmer months, office.
Fades quickly for many: 60% of 71 say it fades quickly, 10% say it lasts a long time. Worth a sniff first.
9% of people say it gets them compliments (132).
Sample first: opinions on this one are split.
Each person counts once per topic. Reported experiences, not verified purchases; skin, climate and batch change how a scent wears.
Community data through .
Think sparkling citrus gin fizz, green herbs, clean musk: that is Calvin Klein CK IN2U for Him. It opens with minneola tangelo, pomelo leaf and gin fizz, moves into shiso leaf, cocoa and pimento and settles on musk, vetiver and white cedar. It leans masculine, though anyone can wear it.
This eau de toilette is best in spring and summer and is a daytime scent. Reach for it for casual days and the office. Released in 2007.
In the community's experience it fades within a few hours, and stays close to the skin. Plan to reapply on a long day.
Around $26.
Explore more: More from Calvin Klein · Fresh perfumes · Cocoa perfumes · Pimento perfumes
Calvin Klein is a US designer house that launched CK One in 1994. Scendira carries 120+ perfumes from Calvin Klein, ranging from about $12 to $155.
Community chatter about Calvin Klein centres on CK One, Obsession and Escape.
CK One (Eau de Toilette, 1994) reads as cool green citrus, musky cedar, airy florals; lemon and bergamot up top and musk, cedar and green tea underneath. Expect sweet amber perfume, smoky rose spice, animal warmth from Obsession (1985), with mandarin orange and basil first and amber, civet and frankincense at the base. Escape (Eau de Parfum, 1991) is described as sunlit fruit splash with soft florals, starting with peach and blackcurrant before sandalwood, vetiver and musk take over.
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It smells like sparkling citrus gin fizz, green herbs, clean musk. It opens with minneola tangelo, pomelo leaf and gin fizz, moves into shiso leaf, cocoa and pimento and settles on musk, vetiver and white cedar.
In the community's experience it fades within a few hours, and stays close to the skin. Plan to reapply on a long day.
It is best in spring and summer. It is a daytime scent. It suits casual days and the office.
It leans masculine, though anyone can wear it.
Honest, community-verified perfume matches. Not marketing.