Rosemary water is believed to promote hair growth due to its potential to stimulate circulation in the scalp, which can in turn support hair follicle health. To make rosemary water, fresh rosemary leaves are typically steeped in hot water and then cooled before use. When applied to the scalp, rosemary water is thought to nourish hair follicles, strengthen hair roots, and possibly even prevent premature graying. Some also claim that it helps to combat dandruff and soothe an itchy scalp. However, it's important to note that scientific evidence supporting these claims is limited, and individual results may vary.

When using rosemary water for hair care, it's essential to follow a few do's and don'ts. Do dilute rosemary water with water to avoid potential irritation, as pure rosemary extract may be too potent for direct application. Do perform a patch test before applying rosemary water to your scalp to check for any allergic reactions or sensitivity. Additionally, do use rosemary water as a rinse or leave-in treatment after shampooing and conditioning your hair to maximize its potential benefits. On the other hand, don't use rosemary water excessively, as it may lead to dryness or irritation of the scalp. Also, don't rely solely on rosemary water for hair growth; maintaining a balanced diet and practicing good hair care habits are essential for healthy hair growth.