Persol AC 2.5 Gel

No, Persol AC does not clear dark spots. It has not been approved for the treatment of dark spots. Hence you are advised to not use this drug for clearing dark spots.

Yes, Persol AC can cause redness of the skin at the site of application. It is a common side effect of this drug. This effect is harmless and reversible in nature and it goes away after discontinuation of this drug.

No, Persol AC should not be discontinued without doctors advice if it has been prescribed by your doctor. If you are using this drug by yourself then it can be discontinued. 

Yes, Persol AC might be helpful in treating whiteheads that are due to spots because it can reduce the inflammation in the affected area and it also helps in clearing the clogged prores through skin peeling which prevents whiteheads and promotes their removal as well.

Persol AC contains benzoyl peroxide which is an oxidizing agent. It is presumed that Persol AC works by releasing oxygen free radicals that oxidize the bacterial protein that kills the bacteria. It also reduces the swelling and promotes the peeling of skin which makes the skin surface smooth and helps in resolution of comedones. It is active against bacteria Staphylococcus epidermidis and Cutibacterium acnes (formerly known as Propionibacterium acnes) that cause acne vulgaris.