Notizia
The standard objection to professional haircare is the sticker. A $42 shampoo seems indefensible next...
The "matching shampoo and conditioner" argument gets dismissed as marketing on the consumer side and...
A haircare system is a sequenced set of products (cleanse, treat, condition, protect) formulated to...
Attach rate (retail revenue divided by service revenue) is the single most-discussed and most-misunderstood number...