Ever wondered why stubborn dark spots appear on your neck and chest? It might not be sun damage or aging—it could be your daily perfume. ​When fragrance compounds are sprayed onto UV-exposed skin, sunlight triggers a phototoxic reaction known as Berloque Dermatitis. The result? Micro-inflammation that heals into long-lasting hyperpigmentation. ​Discover the science behind fragrance-induced sun spots, how to apply perfume safely, and why fragrance-free SPF is a summer must-h