
A composition match, not medical advice.

Dettol Antiseptic Disinfectant Liquid 5000ml contains Cetrimide 0.6% w/v + Chlorhexidine Gluconate 0.3% v/v, as a liquid. It is made by Reckitt Benckiser.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. Chlorhexidine Gluconate 0.3%v/v and Cetrimide 0.6%w/v Antiseptic Liquid is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹12.38 for 100 mls (₹0.1 / ml), against ₹0.4 / ml for Dettol Antiseptic Disinfectant Liquid 5000ml at its printed MRP — 68% less per ml. Ask your doctor before changing a brand.