Both Uses

cloying
in
The Alchemist, by Scott
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The magician recognized the heavy, cloying scent as soon as he stepped into the house: it was frankincense, the rare and incredibly expensive aromatic gum from the Middle East, used in ancient times in Egypt and Greece and as far to the east as China.†
Chpt 20 *
To smell with intensity Sophie actually rocked backward with the sudden eye-watering explosion of scents that invaded her: the spicy otherworldly odors of Hekate, the cloying earthiness of her surroundings, her brother's twenty-four-hour deodorant, which was plainly not working, the supposedly unscented gel in his hair, the mint of the toothpaste she had used earlier.†
Chpt 25

Definitions:

(1) (cloying)
overly sweet or sentimental in a way that becomes unpleasant or excessive -- on the tongue or in sentiment
(2) (meaning too rare to warrant focus)