Roger & Gallet Cassis Frenesie Perfume by Roger & Gallet, French design house roger & gallet introduced a scent that balances male and female elements for a complex unisex fragrance. Launched in 2017, roger & gallet cassis frenesie is floral, spicy, and woody for a scent that would be ideal for daytime and evening events. It opens with top notes of pepper, bergamot, and juicy cassis.