How Coal Tar Shampoo Works on Psoriasis
Coal tar is actually an industrial byproduct that when mixed with the right chemicals, turns into an effective psoriasis shampoo. What exactly makes up coal tar is actually unknown as only 400 of the 10,000 different compounds that make up coal tar have been identified. Colored black or dark brown, coal tar is highly viscous and unfortunately not pleasant to smell as the name would imply. However, its ability to treat scalp skin conditions like psoriasis, eczema, seborrheic dermatitis, and dandruff has turned it into a popular treatment.
Like dandruff and seborrhea, psoriasis of the scalp carries similar symptoms including flaky skin, scaly skin plaques, and irritating lesions. The head can become itchy and even orange-red like pink salmon meat. The problem is compounded with these skin problems because regular shampoo does not work well to clean the skin and in some cases can even cause more irritation (like dry scalp). Traditional shampoo is formulated to clean hair follicles and for this reason does not work well for scalp conditions like psoriasis.
This is where coal tar shampoos come in. Coal tar packs a triple punch when it comes to treating skin disorders. Firstly, coal tar is a keratolytic and is therefore able to loosen and soften skin buildup of scales and crusts. The compounds’ effect on skin is the ability to diminish keratin growth and reduce scaling. It is also effective at stopping fungal and bacterial growths which, in additional to inflammation, are also known to cause psoriasis. Finally, coal tar has antipruritic properties that serve to alleviate itchiness and offer relief to users.
Coal tar shampoo is available without prescription in many OTC shampoos that you can buy at any drug store or online. Popular brands include Denorex, Zetar, and Pentrax. Be sure to read the shampoo bottle before application and protect your eyes, ears, and mouth. You will ideally want to keep the shampoo in your hair for five to ten minutes to give it time to set in and then you can rinse it away. You may also need to use a second application. After that, it’s important to go through with a regular hair washing using normal shampoo and conditioner as psoriasis shampoos do not clean hair, just the scalp. Usually only a couple treatments a week are required.
After using the shampoo, be sure to stay out of direct sunlight as coal tar is known to cause increased sensitivity to the sun. Other side effects can also include burning, sensitive skin, redness, and itching. These are considered mild alternatives to more medicated shampoos. As far as psoriasis shampoos go, coal tar is always the first and safest treatment to try before advancing to subscription creams or even oral medication from your doctor. Shampoo is much cleaner than a heavy or greasy ointment and has less severe side effects than oral medicine.
Coal tar has been used for decades to treat common skin conditions like psoriasis, eczema, and dandruff. Though it has an industrial origin, its natural properties make it particularly well-suited for the skin. It is widely available, safe, and a relatively low-cost hassle-free treatment to combat scalp psoriasis.
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