The present invention discloses an oil composition and a method of preparation of said oil composition from an individual or a mixture of a plurality of Asteraceae plant materials selected from a group of Arnica montana. Anthemis nobilis. Calendula arvensis, C. offincinalis, Carthamus tinctorius, Conyza stricta, Dendranthema grandiflorum, Gaillardia pulchella, Helianthus occidentalis. H. tuberosus, Matricaria disciformis, M. recutita, Saussurea lappa, S. obvallata, Tagetes erecta, T. minuta, T. patula, Tridax procumbens, Verbesina ecnelioides and Vernonia albicans. The oil composition adapted to be used for treatment of dermatophyte infections such as but not limited to tinea infections.
