Avoid spray-on rug shampoos, which can leave a residue on carpets that attracts dirt and soil, undoing the cleaning process.
But still, you do not need to wait for flakes to show off to start treating them; you can do something to prevent outbreaks.
Reuse or wash?
Cleanse too often and you can easily end up with skin that is dry, red, flaky and irritated.
That way it can be directly applied to the scalp.
Follow the examination by a full brush down.
With proper rotation, bras can last several wears between washes.