Disperse Blue Dye Contact Allergy. Disperse blue 124 is a dark blue textile dye found in fabrics colored dark blue, brown, black, purple, and some greens. Disperse blue 124 is an monoazo textile dye used for secondary cellulose fabrics including polyester blouses, garment linings and stockings.

According to contact dermatitis institute, people with skin allergies and sensitive skin, who have reacted to disperse dyes, should. Patch testing showed an allergy to disperse blue 106 dye and also to her dress lining.