Conclusion: A bruise cannot accurately be aged from clinical assessment in vivo or on a photograph. At this point in time the practice of estimating the age of a bruise from its colour has no scientific basis and should be avoided in child protection proceedings.
Can we assess the age of bruises an attempt to develop an objective technique?
Conclusions: Visual assessment of bruises is unreliable and the accuracy of ageing was not improved by the degree of forensic experience. The RGB method gave highly reproducible results, but did not accurately assess bruise age.
Does toothpaste get rid of bruises?
But dermatologists say peppermint oil could irritate the skin, and toothpaste may have even more potentially skin-irritating ingredients. If you really want to put something soothing on the bruised skin, you may be better off trying aloe vera, though it wont get rid of a bruise.