PHAs (Polyhydroxy Acids) vs Glycolic Acid — Which Is Better?
PHAs (Polyhydroxy Acids) vs Glycolic Acid — Which Is Better?
Both PHAs (Polyhydroxy Acids) and Glycolic Acid are popular ingredients in professional skincare, but they work through different mechanisms and serve different purposes. This guide helps practitioners choose the right ingredient for each patient's needs.
PHAs (Polyhydroxy Acids)
Category: Gentle Exfoliant
Key Benefit: Ultra-gentle exfoliation
Gluconolactone and lactobionic acid with large molecular structures providing gradual surface exfoliation, humectant properties, and antioxidant chelation...
Glycolic Acid
Category: Exfoliant
Key Benefit: Surface exfoliation and renewal
The smallest alpha hydroxy acid (AHA) with superior penetration, dissolving the intercellular glue between corneocytes for effective chemical exfoliation...
Head-to-Head Comparison
| Factor | PHAs (Polyhydroxy Acids) | Glycolic Acid |
|---|---|---|
| Category | Gentle Exfoliant | Exfoliant |
| Primary Benefit | Ultra-gentle exfoliation | Surface exfoliation and renewal |
| Best For | sensitive-skin, rosacea, mature-skin | dull-skin, hyperpigmentation, anti-aging |
When to Use PHAs (Polyhydroxy Acids)
PHAs (Polyhydroxy Acids) is the better choice when treating patients who need ultra-gentle exfoliation. Its gentle exfoliant properties make it particularly effective for sensitive-skin, rosacea, mature-skin.
When to Use Glycolic Acid
Glycolic Acid is preferable when the primary goal is surface exfoliation and renewal. As a exfoliant ingredient, it excels at addressing dull-skin, hyperpigmentation, anti-aging.
Can You Combine PHAs (Polyhydroxy Acids) and Glycolic Acid?
In many professional protocols, phas (polyhydroxy acids) and glycolic acid can be used together for complementary benefits. Consult Skymedic's clinical protocols for recommended combination guidelines.
Professional Verdict
The choice between PHAs (Polyhydroxy Acids) and Glycolic Acid depends on the patient's primary concern and skin type. Many practitioners incorporate both into their treatment repertoire for different patient needs.