Introduction In the ever-evolving world of skincare, exfoliation remains a cornerstone for achieving radiant, healthy skin. However, traditional exfoliants like scrubs with harsh physical beads or strong chemical exfoliants (such as high-percentage AHAs/BHAs) can disrupt the skin barrier, leading to irritation, redness, and sensitivity—especially for those with delicate or reactive skin. Enter PHA (Polyhydroxy Acids) […]