A heavy moisturizer topped off with Vaseline or Aquaphor.
As someone with chapped lips, I love seeing people’s lip balm collections! Here’s mine++
There are a few factors that could be at play here...Rop++
You can try using a body oil (neutral) and spray over it or dab a little vaseline to spray over
It's an aerosol can and those can't be air-mailed, so probably no. Some +
I did a Google search. It looks as if it's a purified form of petroleum jelly. +
Mine>
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My limited understanding is that retin-A micro should not be buffered, but I believe any other kinds
Please tell your friend to use Retin-A properly: build up slowly; once a week for a few weeks; rop