Table 2. Clinical symptoms and signs of hair dye contact allergy (n=105).

	n (%)
Symptom
Pruritus	75 (71.4)
Pricking	9 (8.6)
Dryness	2 (1.9)
Burning/tingling sensation	1 (1.0)
Sign
Erythematous macules, patches	59 (56.2)
Scales	9 (8.6)
Erythematous papules, plaque	8 (7.6)
Oozing	7 (6.7)
Crust	4 (3.8)
Hyperpigmentation	4 (3.8)
Vesicles, blisters	3 (2.9)
Lichenification	3 (2.9)
Swelling	3 (2.9)
Fissures	3 (2.9)
Combined skin problems
Non-specific eczema	27 (25.7)
Urticaria	15 (14.3)
Prurigo simplex, prurigo nodularis	9 (8.6)
Seborrheic dermatitis	8 (7.6)
Lichen simplex chronicus	3 (2.9)
Total	52 (49.5)