Amavuta yingenzi ya Birch afite impumuro itangaje, ikomeye. Impumuro yayo yihariye iteza ikirere gishya, gitera imbaraga. Iyo ikoreshejwe hejuru, ikora ubukonje budasanzwe.
Inyungu
Methyl salicylate isanzwe ikoreshwa cyane kugirango itange rimwe na rimwe imitsi yoroheje cyangwa kutoroherwa hamwe. Igishishwa gifatwa nkamavuta yingirakamaro, kubwibyo kuyasukamo amavuta yabatwara birasabwa gukoreshwa neza. Ingaruka yo gukonjesha, ihumuriza ya Birch ituma ikora neza ya massage cyangwa ugakoresha imitsi hamwe ningingo. Nimpumuro nziza, Amavuta yingenzi ya Birch arashobora kandi gucunga umunuko no kugarura umwuka.