There are four series of Bawang shampoo essence, of course, the price is also different. See Resources for details.

There will always be a trademark registrant on the front of Bawang Shampoo Essence. As for the genuine product you bought, it depends on where you bought it. If you bought it in a large supermarket, don't worry.

As for the old man you mentioned, there is one kind of shampoo in Wang Ba.