When you feel an overly strong stimulation in your nose, you can soon be released from the discomfort by breathing deeply through your nose, since the substances stimulating your nose can be evaporated by doing so.
つんときたとき、鼻で大きく深呼吸をすれば、鼻の粘膜を刺激している成分が飛ぶので、すぐに痛みが緩和する。