
A composition match, not medical advice.

Derobin Ointment 30gm contains Coal Tar 5.3% w/w + Dithranol 1.15% w/w + Salicylic Acid 1.15% w/w, as a ointment. It is made by USV Ltd.
The catalogue lists it for: Treatment of Psoriasis. Take it only as your doctor prescribed.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. Salicylic acid 1.15%w/w, Dithranol 1.15%w/w and Coal Tar 5.3%w/w Ointment is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹42.19 for 30 gms (₹1.4 / gm), against ₹4.4 / gm for Derobin Ointment 30gm at its printed MRP — 67% less per gm. Ask your doctor before changing a brand.