Shampoo for longer hair is intended as a washing preparation mainly for long hair animals. Thick and gentle foam, which remains for a long time after the first frothing, washes hair thoroughly and gently from all dirt. The shampoo contains not only washing substances but also regenerative ingredients, which hydrate skin, prevent drying of skin after washing and help keeping desirable microflora on skin and in thick animal hair. Also amino acid complex obtained from processing of keratin, which participates in creation of skin and hair protection cover, contributes to skin and hair regeneration.