How far up the alphabet do you go, before you cross over into the next number?

What is "3D" hair?
Platinum Product Junkies
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Curl Junkie, b.a.s.k, Siamese Twists, Bobeam, Uncle Funky's Daughter, Amazing Botanicals, Zuresh, Dabur Vatika, Karen's Body Beautiful, Curls Unleased, Broo, Qhemet Biologics, Signature Texture, Darcy's Botanicals, Shea Moisture