Treatment to rub into a broken leg? (3)

I believe the answer is:

gel

I'm a little stuck... Click here to teach me more about this clue!

'treatment to rub' is the definition.
I can't judge whether this defines the answer.

'a broken leg?' is the wordplay.
'a broken' indicates an anagram.
'leg' is an anagram of 'GEL'.

'into' is the link.

Can you help me to learn more?

(Other definitions for gel that I've seen before include "It may be applied to locks" , "Leg it back to get some for your hair" , "shock application?" , "Begin to work" , "Posh female" .)

I've seen this clue in the Evening Standard.

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