Bayanan cututtuka sun haɗa da itching, bleaching ko darkening na fata, ƙonawa, wahalar numfashi, tari jini da / ko nama necrosis. Abubuwan da aka saba amfani da su na ƙonawa sun hada da sulfuric acid (H2SO4), hydrochloric acid (HCl), sodium hydroxide (NaOH), lime (CaO), azurfa nitrate (Ag3), da hydrogen peroxide (H2O2). Sakamakon ya dogara da abu; hydrogen peroxide yana kawar da launin fata mai launin fata, yayin da nitric acid yana haifar da launi mai launi zuwa launin rawaya a cikin fata, kuma azurfa nitrate yana samar da baƙar fata.
AgNO3