Skin Care Blog
What Causes Thumbnail Ridging?
The most common cause of those funny ridges down the middle of thumbnails is surprising – and it’s reversible. The ridging, also called habit-tic deformity, is caused by flicking the nail and adjacent cuticl...
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What causes weak, splitting nails?
Splitting nails are common. Soft, weak nails that split down the middle, on the sides or just peel in layers are unfortunately a problem. About 20% of people suffer from brittle nails, especially women over ...
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