ACID REIGN
When it comes to your skin, the A-word (acid) is likely to incite one of two reactions: eye-watering disbelief or heart-eyed adulation.
If you’re wincing, you’re either more familiar with the kinder term AHAs (alpha-hydroxy acids) or perhaps you’ve experienced an earlier incarnation of the overzealous, irritating, salon-only acid peel. Red, flaky faces are hard to forget.
But if you’re
