Yes......if you want to spend your money on a chemical that gives results that "all in the mind"....then go ahead. It is your money.
Arnica.....?.....it,s all in the mind. If used within 24hours, then it "might" reduce the swelling, but the bleeding and bruising will still persist.
The OP said that she did it 3 days ago......nothing will speed up resolution of the bruising.
Witch Hazel.
\\\An astringent contracts body tissues and reduces bleeding, so it makes sense that you can use it to make bruises fade faster and even help heal the underlying damage.\\
That "might" help if done within 24 hours after the incident.
xxlisa....forget it...you will be going on holiday with a bruised leg.