What's the difference between Poseidon and Light Blue?+
Poseidon is a masculine fragrance (marketed to men, though wearable by all) from Fresh Line (undated) dominated by Aromatic accords. Light Blue is a feminine fragrance (marketed to women, though wearable by all) from Golan (2015) leaning on White Floral accords. They share 2 accords: Citrus, Fresh.
Which is better, Poseidon or Light Blue?+
The "better" choice depends on what you value — longevity, projection, season fit, or signature character.