Editor's note: This article describes traditional herbal practices, not proven treatments. Several of these herbs have real side effects and drug interactions. If you're pregnant, breastfeeding, or taking medication, talk to your doctor before trying them. For psoriasis or eczema, see a doctor.
The concept of blood purification runs through many traditional healing systems. In Ayurveda, raktashodhana (blood purification) is a central approach to inflammatory skin disease. Western folk medicine grouped "blood purifiers" and "alteratives" as their own category of herbs. Dr. Sebi built his protocols around it. And traditional African medicine often turned to blood-cleansing herbs first for skin conditions.
That cross-cultural agreement is genuinely interesting history. It isn't the same as evidence that the herbs work.
What "Blood Purification" Meant
Traditional herbalists used the term for herbs believed to lower the "toxic" load reaching the skin. In modern terms, the proposed mechanisms include supporting the liver and kidneys, influencing gut bacteria, and providing antioxidants. These are hypotheses; for most of these herbs, research in people is limited.
The Herbs, and What to Know About Each
Burdock root (Arctium lappa) appears in Western herbalism, Ayurveda, Traditional Chinese Medicine, and Dr. Sebi's protocols. It contains inulin and polyphenols, and lab studies suggest anti-inflammatory effects. It's in the same family as ragweed, so people with those allergies may react.
Red clover (Trifolium pratense) was used in Western folk medicine for chronic skin conditions. It contains isoflavones with estrogen-like effects, so it's generally advised against in pregnancy, for people with hormone-sensitive conditions, and alongside blood thinners.
Sarsaparilla (Smilax species) was used in Indigenous American traditions and appears in Dr. Sebi's protocols for psoriasis. Evidence for skin benefits is thin, and it may affect how some medications are absorbed.
Neem is used in Ayurvedic protocols. Neem oil can be toxic if swallowed, especially for children, and neem isn't considered safe during pregnancy.
Yellow dock (Rumex crispus) is a traditional liver and bowel herb. It's a laxative and high in oxalates, so people prone to kidney stones should avoid it.
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