Is it always required to use medicated soap to...

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Is a must to use a medical soap in showers or while bathing ?
its not a must , and you can use a commercial products unless your doctor advise you against it 
What are the possible causes to using commercial soap products ?
1. allergic reaction
2. skin severe cases : infection or autoimmune disease 
3. another specific serious medical condition 
What are the best bath soaps ?
any products with good reputation is considered good products such as dove , but you should pay attention to some points such as :
1. dont use the products that use many perfumes products 
2. natural products and ingredients is better 
3. avoid oily soaps if you skin oily or sensitive type 
4. avoid overusing soaps , and use it in mild range 
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