Since Belair premium extensions are made of 100% Remy human hair, they can be dyed a darker color or toned by a professional hair colorist, who has had previous experience in working with hair extensions. If you do decide to get them dyed, please upgrade to premium and not standard. Our 1b black/brown can be turned all the way to 613 blonde but remember Bleaching is a harmful chemical process that can alter the quality of your set, and even damage it.
If you are in-between shades, we recommend going for the lighter color and taking your set to a professional hair colourist to have them dye your set a darker shade in order to achieve an overall match. Similarly, if you have highlights, we recommend going for a shade that matches the lightest highlight in your hair and having a professional hair colorist add in lowlights to your set.