Hello friends me and my family we use these product and our experience with this product is very good .Zandu balm is very old and trusted brand.As soon as you apply zandu balm on affected part u get relief in a very short time.Zandu balm does not have any bad effects on our body.Zandu balm is very easy to use and the result you get for pain relief after applying these are truely fantastic.One can use it daily , it has very low cost.It can be used for headache, muscle pain, body pain etc.No age limit is there for using it.