+29 Eucalyptus Oil Hair Growth References. In one study, most subjects that used a solution with eucalyptus oil as one of the ingredients found that their head lice died. It stimulates the scalp, fights dandruff, and improves hair elasticity.
In addition to the other benefits, it can add shine. Web eucalyptus oil consists of chemicals that promote blood circulation and cleansing on the scalp. Make sure you use the oil nearly 2 hours before washing hair.