The product in the image is a Crazy Girl Black Styling Stick, which is a temporary hair color touch-up stick. It's designed to cover grey or white hairs and can also be used to style hair.
Here are some of its features:
Temporary Color: It provides a quick and easy way to touch up hair color.
No Residue: It leaves no sticky or greasy residue.
Multi-Use: It can be used for both men and women.
Easy Application: It has an instant coating effect, hiding grays in just 1-2 minutes.
Versatile: It can also be used for styling hair, including taming flyaways and baby hairs.