Product placement
Olaplex (appears, rated), Pantene (appears, rated), Aveeno (appears, rated), Neutrogena (appears, rated), Chosbe (appears, rated, given top score), Redken (appears, rated), Herbal Essences (appears, rated), Dove (appears, rated), Maui Moisture (appears, rated). Removing these would change the video content as it is a comparative review.