Alamar foda mara ganuwa tana amsawa a ƙarƙashin hasken ultraviolet.lokacin ƙarƙashin fitilar uv, zai canza sosai!
ganuwa pigment kuma ake kira uv ganuwa pigment, UV kyalli foda.
suna da aikace-aikace da yawa, manyan aikace-aikacen sun kasance a cikin tawada masu hana jabu kuma a kwanan nan ma a cikin sashin salon.