A fragrance composition containing 0.0005 to 10% by mass of a decalin alcohol as component (a) represented by formula (1a) and 90 to 99.9995% by mass of one or more polycyclic woody-amber fragrances as component (b) selected from the group consisting of 7-acetyl-1,2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethylnaphthalene, 1,2,3,4,4a,5,6,7-octahydro-2,5,5-trimethyl-2-naphthalenol, 1,2,3,4,4a,7,8,8a-octahydro-2,4a,5,8a-tetramethyl-1-naphthyl formate, 3a-ethyldodecahydro-6,6,9a-trimethylnaphtho[2,1-b]furan, and racemic or optically active dodecahydro-3a,6,6,9a-tetramethylnaphtho[2,1-b]furan; and a cosmetic product, a household product and an environmental/sanitary product containing the fragrance composition. The fragrance composition of the present invention is a highly versatile fragrance composition that brings about an odor of natural ambergris and can attain effects to enhance warmth and an odor quality even in a small amount.