Rosemary oil has been shown to stimulate hair growth in certain populations, including people with androgenic alopecia, a type of hair loss
. It has been found to be equally effective as topical minoxidil, which treats androgenic alopecia, but it is safer for all hair types
. Some of the benefits of rosemary oil for hair include:
- Blocking the effects of DHT, a type of testosterone responsible for shrinking hair follicles and leading to hair loss
- Increasing blood flow to hair follicles, which increases the delivery of oxygen and nutrients promoting hair growth
- Reducing scalp irritation from issues like dandruff due to its vasodilatory properties, which increase blood flow in scalp skin
Rosemary oil is safe for all hair types, even color-treated hair, and there is little to no risk of side effects
. However, it can cause allergic or irritant contact dermatitis in some individuals
. It is recommended to perform a patch test before using rosemary oil on a larger area of your scalp. In summary, rosemary oil has been shown to have positive effects on hair growth and can be considered a safe and effective treatment for those experiencing hair loss, particularly in cases of androgenic alopecia
