The drawing: powder puff, second puff on handleThe drawing: powder puff, flat puff with powder
Powder puffDrawn as what it smells like: powder puff.

Ingredients · Powder · dry-down

alpha-Isomethyl ionone

Say itAL-fuh-eye-soh-METH-il EYE-uh-nohn

Soft, powdery orris-violet with a clean woody, slightly leathery undertone.

What it is
A molecule made in a lab.
When you smell it
Dry-down: what stays.
What perfumers do with it
Everyday powdery-iris builder in florals, chypres and lipstick accords; smoother than plain ionones.
Worth knowing
It has been one of the 26 fragrance allergens that EU cosmetic labels must name since 2005.
Rules
Limited. IFRA limits (49th Amendment); one of EU's 26 label allergens
Also called
Methyl ionone gamma (coeur); Isoraldeine; Cetone Alpha

On the label of 434 of the 1080 perfumes read so far

No. 5Chanel · printed “Alpha-isomethyl ionone”ShalimarGuerlain · printed “Alpha-isomethyl ionone”MitsoukoGuerlain · printed “Alpha-isomethyl ionone”Eau SauvageDior · printed “Alpha-isomethyl ionone”Acqua di GiòArmani · printed “Alpha-isomethyl ionone”LibreYSL · printed “Alpha-isomethyl ionone”

Sources