The rosemary plant (Rosmarinus officinalis) is a green shrub exhibiting needle-like leaves and a woody fragrance. While it is primarily recognized as a culinary herb, rosemary also comprises one of the most widely utilized medicinal plants globally. The essential oil derived from rosemary is extracted and marketed in small bottles, having been employed in medical applications since ancient times.

Essential oils are extracted from plants using methods such as distillation or evaporation. They have long been used in alternative medicine and offer many health benefits. Additionally, essential oils can improve hair health. Different oils can help hair grow stronger and shinier.