ACTIVE INFREDIENTS - The Tree Power

 Pix Liquida Pini (Tar) - The coal Tar, the best to be use in Psoriasis.
The Latin of PIX LIQUIDA TAR, this kind of tar it is used for centuries and is most famous for its effectivness.

since regular coal tar is cheaper, large Industries are using the regular one,
which is harsh to the skin and is not that effective like the natural one:
In our shampoo we are using only natural tree tar ingredient, along with
Birch tree and Willow Bark tree extract.
These just enhance the tar from the pine tree 
 
Pix Liquida (U. S. P) – Tar/skin/scalp clearing ingredient,
Birch and Willow Trees:
Birch – anti- inflammatory
Willow - moisturizing
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Action, Medical Uses, and Dosage.—Tar is stimulant, diuretic and diaphoretic. It has been advantageously used in chronic coughs, chronic bronchial and laryngeal affections; the inhalation of its vapor acts as a stimulant and irritant to the bronchial mucous membrane, promoting its secretion, but is seldom used. It is chiefly used externally as a local application to some cutaneous affections, as porrigo, tinea capitis, lepra, psoriasis, prurigo, eczema, and herpes circinatus. Excellent results sometimes follow its employment in suppurating burns, excoriations, furuncles, cracked nipples, and piles. Oakum, a dressing sometimes impregnated with tar forms a good antiseptic absorbent for pus-bathed surfaces, and also to obstinate ulcers. It is an excellent antipruritic and that is its specific use. A tar-water has been recommended in cough and bronchial affections, and to prevent the reproduction of boils. Read more...

http://www.henriettesherbal.com/eclectic/kings/pinus_pix.html