Comparing the two fragrances…

Ghost

Poesie
Purity
Hungry Ghost
Shared character
Both Purity and Hungry Ghost feature sweet and powdery accords.
How they differ
Purity is characterized by floral, woody, fruity, and musky accords, utilizing notes such as rose, sandalwood, musk, freesia, pineapple, lily, violet, dew drop, mandarin orange, meringue, sugar, casablanca lily, and rose petals. In contrast, Hungry Ghost is defined by cacao, chocolate, nutty, and warm spicy accords, with a composition of chocolate, marshmallow, wheat, and butter.
Who each suits
Purity suits those who prefer a profile involving floral, fruity, and woody elements. Hungry Ghost suits those who prefer gourmand elements such as chocolate, marshmallow, and warm spices.
More Purity comparisons
Only in Hungry Ghost