Tal Sindoor is Ayurvedic formulation of inorganic origin. This medicine is Kupipakwa Rasayan of Ayurveda. Kupi-pakwa rasayana are those medicines which contain inorganic materials and processed in Kanch-Kupi which is similar to glass flask (special glass vessel used in preparation of Rasa shastra medicines/mercurial Ayurvedic medicines). Kupi-pakwa medicine are cooked by placing Kupi inside a special apparatus known as Valuka yantra. Tal Sindoor is prepared from mercury (Parad), sulphur (Gandhak) and arsenic tri sulphide (Haratal). It is arsenic in combination with mercuric sulphide. This medicine is useful in skin diseases, and diseases that occur due to vitiation of Kapha (phlegm) and Vata Dosha.
Key Ingredients of Tal Sindur
Shuddha Parada – Mercury 6 parts, Gandhak – Sulphur 1 part, Shuddha Haratal – Arsenic tri sulphide 1 part, Aloe vera juice q.s.
Preparation: First Shuddha Parada (purified mercury) and Shuddha Gandhaka (purified sulphur) are triturated together for several hours until the mixture is converted into a black, lustreless, fine, impalpable powder of uniform consistency. This is known as ‘Kajjali’. Then Arsenic tri sulphide (Suddha Haratal) was triturated. Aloe vera (Kumari Swarasa) leaf pulp was added and triturated (Bhavana). After drying Kajjali was filled in kupi covered with seven consecutive layers of cloth smeared with Multani mud up to mouth of Kanch Kupi. It was placed in Valuka yantra (iron vessel filled with sand. Processing was done at desired temperature and gradual increasing heat. After confirming with copper coin test, bottle was corked and process was continued for 2 hours. Then fire is put off and Kach Kupi was left for self-cooling (Swanga sheet). After this bottle was removed from Valukayantra. The cloth with Multani was scrapped off and bottle was broken 2 inches below the collection of the Tal Sindoor. Later the drug was collected by tapping over the outer surface of glass bottle.
Uses of Taal Sindur
Taal Sindur has blood purifying, antimicrobial activity (against P. aeruginosa, E. coli, S.aureus, S. mutans and C. albicans etc), antiseptic, and kustha-har properties. This medicine is useful in various infectious conditions like skin problems (Kushtahara) and other conditions of infectious origin like fever (Jwara, Sannipataja Jwara), Abscess (Vidradhi).
Taal sindur is indicated in all types of skin disorders (Sarva Kushtahara), eczema, boils, carbuncles, skin problems associated with itching (Kandu), vitiated Rakta Dhatu (Rakta dosha hara) and other diseases of infectious origin like abscess (vidradhi), gonorrhoea (upadamsha), fever (jwara, sannipataja jwara) and malaria.