Wellness
Polyhydroxy Acids: The Gentle Skin Exfoliator
Discover Polyhydroxy Acids (PHAs), the gentle chemical exfoliant perfect for sensitive skin that smooths, hydrates, and brightens your complexion.
What is it?
Polyhydroxy Acids, commonly known as PHAs, are a group of chemical exfoliants, often considered the gentler cousins of Alpha Hydroxy Acids (AHAs). Their molecular structure is larger, which means they don't penetrate the skin as deeply. This allows them to work on the skin's surface, dissolving the bonds holding dead skin cells together without causing significant irritation. Common examples of PHAs found in skincare products include gluconolactone, galactose, and lactobionic acid. Beyond exfoliation, PHAs are also humectants, meaning they attract and retain moisture, which helps to hydrate the skin and strengthen its barrier.
Why is it trending?
PHAs are gaining popularity as a "new generation" exfoliant, appealing to a growing consumer demand for effective yet non-irritating skincare. Their rise is driven by their suitability for sensitive skin types, including those with conditions like rosacea and eczema, who might not tolerate stronger acids like glycolic acid (an AHA). The trend towards protecting the skin's natural barrier has also boosted their profile, as PHAs exfoliate while simultaneously hydrating and providing antioxidant benefits. This multi-tasking ability—offering anti-aging, smoothing, and moisturizing benefits with minimal risk of irritation—makes them a highly sought-after ingredient.
How does it affect people?
For individuals, incorporating PHAs into a skincare routine can lead to a smoother, more radiant complexion with a reduced appearance of fine lines and hyperpigmentation. Because they are gentle, people can achieve the benefits of chemical exfoliation—like unclogging pores and improving skin texture—with little to no stinging or redness. Their hydrating properties leave the skin feeling plump and moisturized, not stripped or tight. This makes PHAs an excellent starting point for those new to chemical exfoliants or for anyone looking to maintain healthy, glowing skin without the potential for irritation associated with other hydroxy acids.