The skin on our backs is thick, which is why dirt, sweat, and sunscreen tend to accumulate there. Glycolic acid helps dissolve this buildup and prevent new pimples.

Many aspects of skin care change over time, but some ingredients remain reliable for a long time. One such ingredient is glycolic acid. Dermatologists have loved it for years because it helps treat many problems that often have similar causes. It works to balance the skin's surface, which is why many experts call it liquid gold. So, let's take a look at five surprising benefits of glycolic acid.

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The skin on our backs is thick, which causes dirt, sweat, and sunscreen to accumulate there. Glycolic acid helps dissolve this buildup and prevent new pimples. With continued use, even old pimples can begin to fade.

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On the elbows and knees, the skin thickens and darkens due to friction and bending. Applying glycolic acid daily to clean, dry skin softens the accumulated dead skin and gradually evens out the skin surface.

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The tiny pimples that form on our arms and thighs are caused by excess keratin. Glycolic acid loosens this accumulated keratin, softening the skin surface and reducing dryness.

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When dead skin blocks the hair shaft, the hair becomes trapped inside the skin. Glycolic acid removes this clogged layer and clears the path, allowing hair to grow outward more easily and reducing the risk of ingrown hairs.

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Thick skin on the feet traps sweat and bacteria, leading to increased odor. Applying it daily softens the hardened skin and helps it shed, leaving your feet feeling cleaner and more breathable.