Permanent hair dye is the most commonly used anti‐aging procedure used by both men and women. However, permanent hair dye can cause irritant contact dermatitis due to ammonia and allergic… Click to show full abstract
Permanent hair dye is the most commonly used anti‐aging procedure used by both men and women. However, permanent hair dye can cause irritant contact dermatitis due to ammonia and allergic contact dermatitis due to paraphylenediamine (PPD).
               
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