Eternity Flame by Calvin Klein Cologne. Eternity Flame is a men’s fragrance by the legendary designer Calvin Klein and formulated by perfumer Laurent Le Guernec. This 2019 release is a fruity, aromatic cologne featuring sweet top notes of pineapple, herbal notes such as rosemary in the heart, and a base note of labdanum, a sticky resin derived from the rockrose plant. This scent is rounded out with sophisticated, warm notes of amber and leather, creating a strong, masculine scent for anytime wear.