Styptic mixtures can damage the surrounding tissue so I would advise against this course of action. Following this action by then washing out the solution you have poured into a wound would also dislodge blood clots that are already forming, slowing the clotting process overall. As someone with a genetic blood clotting disorder my parents tried basically every styptic powder, mixture and imbued blood stop bandage on me as a child, and most are honestly fairly worthless and expensive. If you want to use something for a severe injury, Celox (with an applicator) or a tourniquet is probably a good way to go. I would also like to note that depending on the type of wound – pouring something into it could trap debris that you may want the blood flow to flush out before applying pressure. The Prepared has a good article under the blog tab on stopping bleeds and packing wounds – it is worth checking out – the authors also do not suggest using styptic mixtures.