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Polyhydroxy acids (PHAs) are the new and improved cousins of alpha hydroxy acids (AHAs). They work as chemical exfoliants, and are therefore useful in skincare. They work slowly, which makes them fairly mild. People with sensitive skin can use PHAs without any problem.
PHAs remove dead skin cells from the uppermost layers of skin to reveal soft, bright skin. If you have dull, tired-looking skin, PHAs are the right ingredient for you. They also have antioxidants that protect the skin from UV damage, and make the skin’s barrier stronger. PHA protects collagen from breaking down, which keeps your skin looking younger for longer.
They are mild, so they work slowly – which may not be what you want. PHAs are exfoliants, so be careful when you start using them, especially if your skin is sensitive or damaged. Skin that reacts to new products may find PHAs irritating, mild as they are. Pregnant and breastfeeding women, and people with skin infections or open wounds should avoid using PHAs.
Rosacea refers to a redness of the face caused by a condition affecting the blood vessels in the face. It’s more common in middle-aged women with lighter complexions, although rosacea can affect anyone. The exact cause is unknown, though it is typically hereditary and not caused by pore clogs or skin infections. Many people mistake rosacea’s redness and bumpiness of the face for acne. Rosacea has no cure, and it can fluctuate in its severity from month to month.
There are a few ingredients that can help reduce inflammation associated with rosacea. For example, jojoba oil is good for reducing inflammation associated with certain conditions that cause redness. However, it is important to work with a dermatologist to determine the cause of redness on your skin to determine the right course of treatment if it is rosacea or a combination of concerns.
PHA may be effective for rosacea, but there are many other factors that may affect whether this ingredient would work on your skin or if there are better ingredients that may work for you. Take this skin quiz to find the best ingredients for your skin and build your skincare routine.
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