Category: Freshy Season: Year Round Gender: Unisex Concentration: Eau De Parfum Alto Astral by Byredo is a Floral Aldehyde fragrance for women and men. This is a new fragrance. Alto Astral was launched in 2025. The nose behind this fragrance is Jérôme Epinette. Top notes are Coconut Water and Aldehydes; middle notes are Musk, Incense and