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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.
This unfortunate name comes from the craft tissue called crepe paper, which is thin and wrinkled. Crepey skin, therefore, refers to skin that is thin and wrinkled in appearance. Crepey skin typically appears as we age and our skin loses its ability to hold moisture to stay plump and firm. We also lose our ability to produce as much collagen as we age, which also contributes to thinner, less pliable skin. The likelihood of your skin becoming crepey as you age is determined, in part, by genetics as well. Smart skincare routines and lifestyle changes can help prevent areas of thin skin from becoming crepey in appearance.
To prevent crepey skin caused by sun damage, 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 rosehip oil, jojoba oil, peptides, red tea extract, retinol/vitamin A, coenzyme Q10, alpha-hydroxy acide and salicylic acid are all beneficial for preventing and reducing wrinkles. Collagen, ingredients that boost the production of collagen like vitamin C, and moisture barriers are all useful in plumping the skin and making skin firmer and tighter.
PHA may be effective for crepey skin, 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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