Steroids (topical adrenocortical hormones) are very effective drugs for inflammation. There is hardly any concern about side effects if you follow the correct dosage and administration. If you continue to use it on the same area, use it for up to 2 weeks on the face and up to 4 weeks on other areas as a guideline. The steroid contained in "Muhi Alpha EX" is Prednisolone Valerate Acetate (PVA). PVA is an antedrug steroid that has the characteristic of being decomposed into a substance with low activity once absorbed into the body after effectively working on the affected area.