Im new to makeup, help🙏

So im kind of new to makeup and currently have just a few things, mascara (sky high), a few lip products and a concealer. I really wanna learn how to do korean make up especially those clean looking ones, but i dont know what products to use or how so if theres any videos or products or just tips in general i could get itd be appreciated!! (Preferably without foundation, my skin is sensitive) PS. How do i know if im a cool or a warm tone?