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What are drawbacks of using shampoos with coal tar for psoriasis?

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Shampoo with coal tar can help with scaling, hardening, and thickening of your scalp from psoriasis. But it might make your scalp more sensitive to the sun. Tar can stay on your skin for 24 hours or longer, and your chances of sun damage go up during that time. If you have blond or other light-colored hair, shampoo with coal tar could make it darker. Treatments with coal tar also can stain clothes or skin.

Some people don't like the way coal tar shampoos smell. You may want to use a regular shampoo and conditioner afterward to make your hair smell good and keep it shiny.

From: Psoriasis Shampoo: How to Choose WebMD Medical Reference

SOURCES:

American Academy of Dermatology: "Dermatologists' Tips to Treat and Control Dandruff," "Psoriasis: Recommendations for Coal Tar," "Scalp Psoriasis."

Clobex: "Clobex Shampoo." Food and Drug Administration: "CLOBEX (clobetasol propionate) Shampoo, 0.05%"
®

Kidshealth.org: "Dandruff," "Psoriasis."

National Psoriasis Foundation: "OTC Topical Treatments for Psoriasis," "Topical Treatments."

The Psoriasis and Psoriatic Arthritis Alliance: "Meted," "Scalp Psoriasis."

UpToDate: "Patient Education: Psoriasis: (Beyond the Basics)."

U.S. National Library of Medicine: "Psoriasis."

Reviewed by Debra Jaliman on May 17, 2019

SOURCES:

American Academy of Dermatology: "Dermatologists' Tips to Treat and Control Dandruff," "Psoriasis: Recommendations for Coal Tar," "Scalp Psoriasis."

Clobex: "Clobex Shampoo." Food and Drug Administration: "CLOBEX (clobetasol propionate) Shampoo, 0.05%"
®

Kidshealth.org: "Dandruff," "Psoriasis."

National Psoriasis Foundation: "OTC Topical Treatments for Psoriasis," "Topical Treatments."

The Psoriasis and Psoriatic Arthritis Alliance: "Meted," "Scalp Psoriasis."

UpToDate: "Patient Education: Psoriasis: (Beyond the Basics)."

U.S. National Library of Medicine: "Psoriasis."

Reviewed by Debra Jaliman on May 17, 2019

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