Discovery Set

ODR—211 Lucent
Alcohol denat., Parfum/fragrance, Aqua/Water, Citral, Limonene, Cinnamon, Linalool.
(ECOCERT alcohol)

ODR—212 Florescent
Alcohol denat., Parfum/fragrance, Aqua/Water, Citronellol, Citral, Cinanamyl Alcohol, Geraniol, Linalool.
(ECOCERT alcohol)

ODR—213 Opaque
Alcohol denat., Parfum/fragrance, Aqua/Water, Coumarin, Eugenol. (ECOCERT alcohol)

Natural ingredients in fragrances are unstable. That means that natural ingredients can often change colour over time and also even have different coloration during production. It's natural after-all. 

Keeping your perfume out of direct sunlight in a cool place will help it last longer.