If patch test shows redness, swelling, or itching, what should you do?

• A. Redness, swelling, or itching indicate sensitivity; proceed with caution or not at all depending on severity.
• B. No reaction means you should proceed without caution.
• C. Patch test outcomes are not relevant.
• D. Proceed with tinting even with reaction.

Answer: (A)

A patch test showing redness, swelling, or itching signals a sensitivity to the product. Those signs mean there’s a real risk of a stronger reaction if you continue with the service using that same formulation. The safest and most professional approach is to stop and not proceed with the tinting using that product. Depending on how mild or severe the reaction is, you may either proceed with caution using a different, non-reactive product or postpone the service entirely until the skin has returned to normal and an alternative option has been identified. Always document the reaction and discuss safer alternatives with the client before moving forward.