Both demi-permanent and semi-permanent hair color dye can be applied at a salon or at home. The are two main differences between demi and semi-permanent hair color: the duration the color lasts and how deeply the dye penetrates the hair shaft.
Both demi-permanent and semi-permanent hair color dye can be applied at a salon or at home. The are two main differences between demi and semi-permanent hair color: the duration the color lasts and how deeply the dye penetrates the hair shaft.
