Conditions Your Hair While henna by itself helps remove excess grease and dirt from your scalp, when combined with hydrating ingredients like egg, it helps condition your hair. Using a henna hair pack to condition your hair can leave it feeling smooth and silky. Improves Scalp Health Henna helps improve and maintain scalp health with its cooling and antimicrobial properties. It helps soothe aggravated and itchy scalp while also explore issues like dandruff. Repairs Damage And Strengthens Hair Henna is extremely nourishing which helps repair damage in the hair shaft. It also improves hair elasticity and strength which keeps your hair from breaking off. This also helps the splitting of hair.