When it comes to choosing the right hair shampoo, I have found that clinical formulas like Sheads Clinical offer a unique combination of cleaning and nourishing properties. The 400ml size is practical, giving enough product to use regularly without frequent repurchasing. Personally, I noticed that after switching to Sheads Clinical shampoo, my scalp felt less irritated and my hair appeared visibly healthier after just a few washes. The formula seems to deeply cleanse while maintaining moisture balance, which is crucial for avoiding dry or greasy hair. In addition, clinical shampoos often contain ingredients targeting specific scalp issues, such as dandruff or sensitivity, which can improve overall scalp health. Using Sheads Clinical regularly helped me manage scalp discomfort and improved my hair texture. If you are interested in a shampoo that balances cleaning power and gentle care, especially those offered in a conveniently sized 13.5 fl oz (400 ml) bottle like Sheads Clinical, this product might be worth trying. Remember to observe your scalp's response and complement usage with suitable conditioners or treatments for best results.