The most common and most likely answer to this crossword clue is the 9 letter word EYESHADES
E
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S
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Buddy explains!
The straight part
We know that "How to save faces" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case how to save faces = eyeshades.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EYESHADES mean?
EYESHADES noun- A type of headgear for shielding the eyes from glaring light, usually consisting of a visor and a headband, more popular among indoor workers in the late-nineteenth and early-twentieth centuries than today.
- (not countable) A cosmetic product which may be applied to the upper eyelid and to the area near the eye to change skin coloration.