Well i dont know about under the age 13, but buzbeauty is really good and she has her own website. :)
Some of my favorite makeup gurus on youtube are: Juicystar07 DulceCandy87 Freshblush
There already are makeup gurus who use only drugstore makeup. There are also way too many makeup gurus on youtube and the number of them who are good at both videos and makeup are almost zero.
ummm, i am not 100% sure of what your asking, but if you are asking for some names of makeup gurus on youtube my favorite is Michelle Phan
Glitzy-Glam is an online web store co owned by makeup gurus on YouTube: Juicystar07 and AllThatGlitters21 which are known as Elle and Blair
As with a youtube gurus, she is sent some from companies, buys some, and gets them as gifts from friends and family. Some youtubers that are friends give each other gifts and do trades as well.
Yes, there is Beau Nelson who has a channel full of beauty tips by her. One video is http://www.youtube.com/watch?v=pWIk5c7jRuw and her channel is http://www.youtube.com/user/dabblerDOTca
There are a few beauty gurus that make Christmas videos that you might enjoy:My Beauty Bunny YouTube channelBrightEyesKandee JohnsonThebeautyguru4u
It makes the camera focus on the product that they're trying to show.
There are tech gurus spiritally gurus many types of gurus.
Our Dus Gurus ( Ten Gurus )
gurus are the teachers of Hinduism. Gurus are even worshiped by Gods, according to Hinduism.
Gurus don't use a Bible.