Adults and children: After cleaning and drying the skin apply a thin layer once or twice daily or as directed to the affected areas. Persons with sensitive skin should be directed to apply the gel once daily before going to bed. The extent of any drying or peeling may be adjusted by modifying the dosage schedule.

Room temperature

Benzoyl Peroxide 5% w/w

https://www.medicines.org.uk/emc/files/pil.2225.pdf