Alopecia areata, is a state which is also known as spot hairlessness. In alopecia areata hairs are lost from a few or all regions of the body. Frequently it brings about a couple of bare spots on the scalp. Alopecia is anautoimmune disease. The occurrence of hair loss is dependent on age and race, its incidence increases by age. It is affecting the whole scalp called alopecia totalis and affecting the entire body is called as alopecia universalis. It is also subdivided into three phases they are anagen phase, catagen phase and telogen phase. The incidence values have various ranges from 16–96%, depending on the age group. There are various different causes for hair loss and the pathogenesis is yet not completely understood. The predisposed scalp shows high level of dihydrotestosterone and increased symptom of the alopecia areata. Alteration of testosterone to dihydrotestosterone within the dermal papilla plays an essential part. The medications offered incorporate both synthetic and natural products to treat the state of alopecia. Natural products extracts are constantly acquiring popularity mainly due to their less side effects and better formulation process. The Medicinal Plants have been generally utilized for hair development advancement since antiquated circumstances as announced in Unani, Ayurveda and Chinese system of medicines. This review covers information about varioustypes of herbs that are assumed to be decrease the rate of hair loss and at the same time stimulates new hair growth.

Keywords : Alopecia, Anagen, DHT (Dihydro testosterone) and Medicinal plants.