The article reveals the essence of the concept of relationship marketing and relationship marketing major dimensions: trust, commitment, mutual dependence, reciprocity, cooperation, power, communication, satisfaction, value, fairness and empathy. Composed relationships between consumers and health care institutions support theoretical model which states that a direct effect on customer loyalty in individual health care market has confidence, commitment and satisfaction. Relationship marketing principles – interoperability and power – in personal care market only partially determines the consumer loyalty.