The former cites a study with successful hair regrowth in people with alopecia who used essential oils. Two separate clinical reviews - one from 2010 and one from 2011 - also acknowledge rosemary’s hair growth potential. This study was performed on mice, however. This occurred when hair loss was triggered by testosterone (as in pattern baldness). During the process, it helped the side effect of itchy scalp more successfully than minoxidil.Īnother study of rosemary leaf extract (different from the essential oil) showed it stimulated hair growth. Results showed that rosemary essential oil was just as effective a minoxidil. Both were used on human subjects with androgenetic alopecia ( male or female pattern baldness). One 2015 trial pitted the essential oil against minoxidil, commercially known as Rogaine.

More revealing recent studies show that rosemary directly helps protect against hair loss. This ability to heal nerve endings may rejuvenate nerves in the scalp too, in turn possibly restoring hair growth. According to some scientific evidence, rosemary may benefit nerve tissue.Ĭarnosic acid, an active ingredient in the plant, healed tissue and nerve damage in one study.

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