Coal Tar
KOLE TAR
What Is Coal Tar?
A thick, dark liquid byproduct of coal processing used in medicated shampoos for severe scalp conditions. It slows excessive skin cell production and has anti-inflammatory properties.
Source: Coal processing byproduct
Origin: Synthetic
Also known as: Pix Carbonis, Coal Tar Solution
What Does Coal Tar Do to Your Hair?
Reduces the rapid skin cell turnover associated with psoriasis and severe seborrheic dermatitis. Has anti-inflammatory, antipruritic (anti-itch), and antifungal properties. Effective for severe, treatment-resistant scalp conditions.
Best For
Scalp psoriasis, severe seborrheic dermatitis, chronic scalp conditions
Not Recommended For
Color-treated hair (discolors), light/blonde hair, daily use, pregnant women
Concentration Matters
0.5-5% in medicated shampoos
Hair Type Compatibility
Method Compatibility
Safety & Regulation
Contains known carcinogens (PAHs). FDA permits use in OTC products at certain concentrations despite carcinogenicity concerns. Can cause photosensitivity, staining of light hair, and strong odor. EU restricts use. Use only under medical guidance.
FDA Status: Approved
FDA approves as OTC drug for psoriasis and dandruff at 0.5-5%. EU restricts certain coal tar preparations.
EWG Score: 7/10
HairAide Verdict
Reserve for severe scalp conditions under dermatologist guidance only. The carcinogenicity concern is real but the risk at OTC concentrations during occasional use is considered low. Not for cosmetic or everyday use.
Products That Contain Coal Tar
Medicated shampoos (T/Gel), prescription scalp treatments
Alternatives to Coal Tar
If you want to avoid Coal Tar, look for products with these ingredients instead:
Salicylic Acid, Ketoconazole, Prescription topical steroids
Frequently Asked Questions
Coal Tar has a safety rating of 4/10. It's generally acceptable but may cause issues for some hair types. Contains known carcinogens (PAHs). FDA permits use in OTC products at certain concentrations despite carcinogenicity concerns. Can cause photosensitivity, staining of light hair, and strong odor. EU restricts use. Use only under medical guidance.
Coal Tar is not CG-method approved. Curly hair types may want to avoid this ingredient or use products containing it sparingly.
No, Coal Tar is not approved for the Curly Girl method.
Some alternatives to Coal Tar include: Salicylic Acid, Ketoconazole, Prescription topical steroids
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