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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.
Healthy skin is typically described as being bright and glowing. Dull skin, on the other hand, refers to an overall unhealthy pallor – ashy, gray, or very pale yellowish. Overly dry skin can cause damage to the follicles and production of collagen and sebum, which can cause the skin to appear duller or ashy. Also, when dead skin cells don’t naturally shed properly, they clog the pores and can cause a dullness to the skin.
To prevent damage to skin cells that cause your complexion to dull, it’s best to moisturize daily and wear sunscreen. Additionally, antioxidants protect the skin from free radicals that damage cells and speed up aging. Ingredients and nutrients like vitamin C, rosehip oil, jojoba oil, green tea extract, retinol/vitamin A, coenzyme Q10, vitamin B, alpha-hydroxy acid and salicylic acid are all beneficial for preventing and reducing dullness. Hydrolyzed collagen is good for boosting the plumpness of skin and enhancing the appearance of damaged skin by restoring the overall vitality of the skin.
PHA may be effective for dullness, 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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