Signs of a reaction to hair dye

Signs of a reaction to hair dye, especially with PPD, vary from mild irritation—redness, swelling, burning—to allergic reactions like itching, swelling, rashes. Severe cases can lead to anaphylaxis, with symptoms like difficulty breathing, swelling, and unconsciousness.

If a severe allergic reaction occurs, call medical emergency of your city and administer an adrenaline injection if available and needed. For non-emergency hair dye reactions, wash thoroughly, apply emollient, consider a steroid cream for inflammation, and consult a pharmacist or GP for antihistamine recommendations.