2. Rosemary After 4 weeks, take 4 tablespoons of the rosemary vinegar and mix it with 2 cups of water. Mix them perfectly well. This, in turn, can promote hair growth. Using rosemary oil for hair is a natural way to strengthen hair health, stimulate hair growth, and prevent all kinds of problems on scalp.Rosemary oil benefits for hair and skin have been known for centuries, but nowadays many people do not know how to use rosemary oil for hair health.. My Items. After you’ve applied rosemary oil to your scalp, you can leave it in or rinse your hair after a few minutes to remove it. 26 thoughts on “How to Make a Rosemary Hair Rinse for Fast Growth and Scalp Health” Kate. "Rosemary oil, or rosmarinus officinalis, is considered to have medicinal and aromatic properties," explains Good Housekeeping Institute Beauty, Health & Sustainability Lab Executive Director Birnur Aral, Ph.D. "In particular, it has been studied for vasodilation, … Rosemary How to use Rosemary essential oil for hair Lavender oil is soothing when Microneedling, while rosemary oil is another good oil for Microneedling. Castor Oil Massage into your scalp and leave in for 3 minutes prior to rinsing. To prepare Rosemary oil, add a teaspoon of rosemary leaves to a cup of carrier oil like Coconut oil. Black Seed Oil Essential Oils For best results Tresses Unleashed suggests consistently using this oil 3-5 times a week. Peppermint oil may be known for its skin care benefits, but it's also good for your hair and scalp. 2. Peppermint Oil for Hair Growth – the Research. Once you have a rolling boil, leave the mixture for 15 minutes.