Ultra Hold Hair System Bonding Glue

ReHair System

Product type matches, Brush-on applicator matches, Brand is a market leader for this application

Walker Ultra Hold Adhesive Hairpiece

Etsy - Seller

Brand matches, Product type matches, Brush-on applicator matches

Hair System Adhesive and Remover Kit

Lordhair

Correct product category, Includes hair system adhesive, Used for the exact purpose shown in the video