Inzira yawe yihariye izashyirwaho kubyo ukeneye kuranga kandi irashobora kuba ikubiyemo ibintu bikurikira:

- Retinol:bizwi kandi nka vitamine A inzoga, ni iy'umuryango wa vitamine A ufite aside irike na retinoque (aside retinoque).Irashobora guteza imbere metabolism ya epidermis yuruhu, kugabanya umuvuduko wa kolagen, kugabanya kuruhu kuruhu no kunoza iminkanyari.Muri icyo gihe, retinol irashobora gufasha stratum corneum yuruhu kugarura metabolisme isanzwe, kubyimba corneum yuruhu, no gushimangira imikorere ya bariyeri.

- Vitamine C:antioxydants ikomeye igaragara neza, ikora kandi ikoroshya uruhu.

Nka antioxydants ikora neza, vitamine C ifite ibikorwa byibinyabuzima byo gusohora ogisijeni yubusa ya radicals no kugabanya ingaruka ziterwa numubiri, zifasha kugabanya kwangirika kwuruhu rwatewe nibintu byangiza hanze (nk'imirasire ya ultraviolet, umwanda, nibindi).Muri icyo gihe, vitamine C irashobora gutanga ibidukikije bigabanya ibidukikije, bishobora guteza imbere synthesis ya kolagene mu ngirabuzimafatizo z’uruhu.