The best essential oil for hair growth is undoubtedly rosemary oil.
Rosemary oil has been in use for centuries to encourage hair growth and stop hair loss. It is one of the most well-known essential oils for hair growth and is backed up by science.
A clinical trial published in 2014 showed that rosemary oil was effective in treating androgenetic alopecia, also known as male pattern baldness. In the trial, rosemary oil was applied topically to the scalp of men suffering from androgenetic alopecia. After seven months of treatment, the men who used rosemary oil had significantly greater hair growth than the men who were treated with the placebo.
Another study published in 2016 looked at the effect of rosemary oil on hair growth in mice. The study found that rosemary oil increased the number of hairs on the mice and also increased the thickness of the hairs. Rosemary oil works by stimulating hair follicles and increasing blood circulation to the scalp.
This helps to nourish the hair follicles and promote hair growth. Rosemary oil is also thought to have anti-inflammatory and antimicrobial properties, which may help to reduce scalp inflammation and prevent hair
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