---
title: Polyhydroxy acids and bionic acids
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/pubmed-polyhydroxy-acids-review
date_modified: 2026-05-27
date_reviewed: 2026-05-27
mcp_eligible: true
summary: PubMed-indexed PHA literature supports cautious discussion of gluconolactone and lactobionic acid as exfoliating-acid alternatives. It helps keep public
source_type: peer_reviewed
original_source_url: https://pubmed.ncbi.nlm.nih.gov/?term=polyhydroxy+acids+gluconolactone+skin
evidence_sources: []
product_fact_sources: []
---

# Polyhydroxy acids and bionic acids

## Quick Summary

PubMed-indexed PHA literature supports cautious discussion of gluconolactone and lactobionic acid as exfoliating-acid alternatives.

## What Studied

This source is used for conservative skincare education, ingredient mechanisms, reaction-pattern boundaries, or clinician-referral language.

## Main Findings

The source supports practical, cautious wording and does not justify cure claims or overconfident product promises.

## Why It Matters

It anchors the page in a more reliable reference than marketing copy or thin SEO summaries.

Original Source — Polyhydroxy acids and bionic acids. https://pubmed.ncbi.nlm.nih.gov/?term=polyhydroxy+acids+gluconolactone+skin (rel="nofollow")

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