New beard wash scrubbing face of baby boomers? (8)

I believe the answer is:

warheads

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

'new beard wash scrubbing face' is the definition.
I can't judge whether this definition defines the answer.

'baby boomers?' is the wordplay.
'baby' becomes 'war baby' (war baby is a kind of baby).
'boomers?' becomes 'heads' (I can't justify this - if you can you should give a lot more credence to this answer).
'war'+'heads'='WARHEADS'

'of' acts as a link.

Can you help me to learn more?

(Another definition for warheads that I've seen is " Explosive parts of missiles".)

I've seen this clue in The Independent.

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