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Each fragrance is infused with three natural ingredients — the synthetic molecules of aldehydes, alcohol from upcycled carbon emissions and water — to reach the “highest degree of olfactory clarity and expression.”

They found that the same aldehyde dehydrogenase gene in the lovebirds to express at high level in yellow psittacofulvin-containing feathers, but not in red feathers.

The researchers hypothesized that there might be a link between aldehydes and aging since individuals with premature aging disorders, like AMeD syndrome, exhibit inadequate activity of enzymes, like ALDH2, that break down aldehydes.

Cats' scent comes from a mix of volatile organic compounds, including aldehydes, alcohols, esters and ketones.

These aldehydes can cause lung disease and heart disease.