Polish YouTube beauty savant whose katOsu channel has earned her more than 200,000 subscribers. She has done everything from product reviews to makeup tutorials to nail design tips.
She posted her first YouTube video "Ulubione kosmetyki." in August 2010.
In addition to her YouTube channel, she also has a KatOsu lifestyle blog.
She and her husband have two children.
Latest information about Katosu updated on May 25, 2020.