How long does it take for bruises to heal?

I’ve a big bruise on my elbow and it's… like 2 inches in diameter (about 5 cm)

I think i might have injured it while breakdancing.

how long will it take for this to heal?

Also,

Would applying Vit E cream help? Or no?

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Answer:
Normally, light bruises heal nearly absolutely on average in two weeks. Some might take a shorter or longer time and this is caused by random variation in the healing process; more severe or deeper bruises might take longer. The striking colors of a bruise are caused by hemoglobin and its breakdown products, bilirubin and biliverdin.

Treatment for light bruises is minimal, including RICE, painkillers (particularly NSAIDs) and later in recovery, some light stretching exercises may be appropriate. If swelling is severe, swelling may be reduced by applying ice and / or by elevating the area. Rest and preventing re-injury is essential for faster recovery. Very gentle massage of the area might relieve pain and encourage blood flow, though pain may indicate the massage is exacerbating the injury.

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Answer:
umm i would say maybe 3 days or maybe less idk it depends on how bad it is and i don't think that cream would help