What does it take to become a beauty icon? Judging from the opening scene of the film, lots of work. Priscilla meticulously applies black eyeliner in a perfect cat-eye shape and that is just the beginning of a strict routine that her over-controlling partner imposes on her.
The eyeliner in question is Guerlain Mad Eyes intense eyeliner in Glossy Black. It’s not a historically accurate choice but in Sofia Coppola’s cinematic world this has never been a problem.
When the trailer of the film was first released, lots of online discussions focused on the brand of the false eyelashes she wears. Now we can confirm the brand Shirley Joyce doesn’t exist, so this object is simply a prop.
Her lipstick is not a prop, though: the one she wears is by Chanel.
The black glossy case appearing in the film is not historically accurate because in the 1960s Chanel lipstick had slightly different details in gold metal.
The finishing touch on her trademark beehive updo is Rayette Aquanet hairspray. Lots of it!
There’s Rayette Aquanet hairspray on Gwen Verdon’s dressing table. In this scene she’s holding a tube of Maybelline Great Lash mascara.
When she removes her wedding rings, we can see a Christian Dior compact, probably containing eyeshadows.
There are several hair products on Rick Dalton’s dressing table.
There are two bottles of hair tonic – 
There’s also a Barbicide disinfectant jar.
Last, there’s a jar of Ayer 
World Wide Aura 