Red algae, derived from marine plants belonging to the Rhodophyta group, is a unique aquatic note in perfumery. Known for its oceanic, slightly salty, and mineral-rich character, red algae evokes the essence of the sea and underwater landscapes. It is often used in aquatic, marine, and fresh compositions to bring a sense of depth, natural freshness, and coastal serenity to perfumes.

Red algae has a fresh, oceanic aroma with slightly salty, mineral undertones. Its scent is clean, briny, and earthy, with subtle hints of seaweed and a faint, green herbal quality. The overall profile is natural and invigorating, evoking the feeling of coastal air or the coolness of an ocean breeze. Red algae enhances fragrances with a refreshing, aquatic depth, adding a clean, oceanic element to perfume compositions.