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Other research suggests that breathing rosemary and other essential oils may improve brain function in older adults with dementia, including those with Alzheimer’s disease ( 9). Additionally, their blood levels of certain rosemary compounds likewise increased — illustrating that rosemary can enter your body through breathing alone ( 6).
Rosemary Essential Oil - Healthline 14 Benefits and Uses of Rosemary Essential Oil - Healthline
Rosemary oil can be inhaled or applied topically. It’s very concentrated, so you should only use a few drops at a time. The small bottles in which it’s sold contain plastic droppers that make it easier to dispense single droplets. If you experience cold fingers and toes — even in relatively warm temperatures — rosemary oil is worth considering.
Applying diluted rosemary oil to your skin may provide similar benefits, as it can reach your brain via this route ( 26).
Nature Spell Rosemary Oil with Hair Growth Shampoo Nature Spell Rosemary Oil with Hair Growth Shampoo
If you have Raynaud’s disease, blood vessels in your fingers and toes constrict when you’re cold or stressed, causing them to lose their color and turn cold. For deterring harmful insects that may bite you or infest your garden, consider rosemary oil as a natural alternative to chemical products.Additionally, when 22 young adults sniffed rosemary oil for 5 minutes, their saliva had 23% lower levels of the stress hormone cortisol compared to those who smelled a non-aromatic compound ( 22). Some essential oils can improve the health of your hair with very little risk of side effects. Learn about which essential oils can help your hair… READ MORE Additionally, some animal studies have administered rosemary oil orally, but this is not recommended. Essential oils should not be swallowed.