Rosemary has been in use for thousands of years, and its essential oil can prove why. Rosemary essential oil is known to help improve cognition, get rid of .
Rosemary essential oil (Rosmarinus officinalis CT 1,8 Cineol – trying saying THAT 5x fast. Or just once, for that matter.) is a steam-distilled oil taken from the .
The effects of aromatherapy were studied in the elderly, some of them suffered from Alzheimer's disease. The aromatherapy lasted for 28 days. For the experiment the essential oils of rosemary and lemon were used in the morning, while the essential oils of lavender and orange were used in the evening.
Some early research suggests that taking powdered rosemary leaves might improve memory speed in healthy, older adults. However, higher doses seem worsen memory. Patchy hair loss. Early research shows that applying rosemary oil with lavender, thyme, and cedarwood oils to the scalp improves hair growth in some people.