Haar Concept in Amsterdam. Do you already know exactly what you want or do you like to be surprised? Haar Concept in Amsterdam is an innovative hair salon where your haircut is always in expert hands. Owner Natalia Pashkova knows the fine ‘cuts’ of the trade. With 27 years of international experience in cities such as Kiev, Antwerp and Overveen, she has opened her own sustainable hair salon in Amsterdam. Natalia keeps abreast of trends and new techniques in hair fashion.