When practical, cleanse the affected area with mild soap and warm water and rinse thoroughly, then gently dry by patting with a soft cloth. Spray sparingly to affected areas. The numbing effect will take place within 2-3 minutes of application. The numbing effect will last approximately 1 hour. Numb 520 Spray may be reapplied up to 4 times in a day, on an as needed basis.
Sensitivity and possible allergy tests or patch tests advised prior to use.