The invention relates to a hair restorer preparation or food supplement (100, 100a-100c) for oral administration, comprising L-cysteine and zinc, wherein the hair restorer preparation respectively food supplement (100, 100a-100c) comprises copper, calcium, magnesium, silicium and cholecalciferol, and wherein the composing substances or substance compositions (S-Z) composing the hair restorer preparation respectively food supplement (100, 100a-100c) are determined in their dosage by means of tests and/or measurements and/or questionnaire evaluations (A-H) and are adaptable to the individual organic nutrients supply requirements of a female or a male customer (200, 200a-200d).