No drawing: it is there to carry or keep the perfume.

Tris(tetramethylhydroxypiperidinol) citrate

Ingredients · Not for the smell

Tris(tetramethylhydroxypiperidinol) citrate

Say itTRIS SIT-rayt

Odorless.

What it is
There to carry, keep or colour the perfume, not for its smell.
What perfumers do with it
Neutralizes light-made radicals so dyes and scent molecules last longer on the shelf
Worth knowing
Works differently from a UV filter: instead of blocking light, it cleans up the damage light starts.
Known in
La Vie est Belle (Lancôme, 2012); Twilly d'Hermès (Hermès, 2017)
Also called
light stabilizer (HALS); hindered-amine light stabilizer

On the label of 18 of the 232 perfumes read so far