Yes, it is generally safe to visit Mount Pinatubo. However, it is important to follow the instructions of your tour guide and be aware of the weather conditions.
A typical Mount Pinatubo Tour takes around 12 hours, including transportation to and from the volcano,a 4x4 ride to the starting point of the hike, the hike itself, and a stop for lunch. Some tours may also include a visit to nearby attractions such as the Capas National Shrine and the Aeta Village.