MONDAY Haircare’s award-winning VOLUME Shampoo incorporates active ingredients, Hydrolyzed Collagen and invigorating naturals such as Macadamia Oil that are ideal for thin, fine and flat hair in need of extra fullness and body. Hydrolyzed Collagen helps revive strands to leave hair feeling full and plump, while Macadamia Oil has emollient qualities to help improve hair shine. With a pump dispenser, this formula for adults hair is also pH balanced, dermatologically tested, paraben free and sulfate