Yes, no shampoo i mentioned really grows new hairs. There really isn’t any that does so. Keep scalp healthy for thick grafts and prevent breakage. It may revive weaker hairs. At the same time, keeps funguses and other infections at bay by maintaining healthy scalp. Healthy scalp and blood flow is key.
Excessive sebum, blocked oily scalp, itchy scalp, folliculitus, ring worm, and etc can be prevented by smart shampoo regimens.