Mack Rachal, MD, PhD: Generally you want to shampoo three to five times a week ... flaking that you see is significantly reduced by coal tar. It used to be not a very elegant element of the ...

Coal tar shampoo is available in over-the-counter ... At first, the flaking of dead skin cells can resemble dandruff. However, scalp psoriasis will have a scaly, silver appearance, according ...

The American Academy of Dermatology Association, states that some dandruff shampoos have coal tar, and this makes your scalp more sensitive to the sun. This can lead to flaking as well.

The condition often worsens during the colder months, particularly in winter, when the air is dry and lacks humidity. This ...

Dandruff is, perhaps surprisingly ... so you might need to cycle some alternatives. Coal tar shampoos can slow down skin turnover (although they may discolour fair hair), and shampoos containing ...