Not all shampoos would be one and the same. Also, some online stores do not specifically tell what ingredients are used in the hair shampoo and in what composition these ingredients are used. This would make it tough for men to buy the shampoo. Also, depending on the climate you are living in, you could choose the shampoo that controls dryness. All that you should do is to look at the online store that does sell the shampoo for men as is clearly tagged on the products that are displayed in the gallery of the online store. Since, it is online you could buy it with credit cards as well.