Medically reviewed by William Truswell, MD A callus is a hard, thickened patch of skin that develops due to repeated friction ...

The Ordinary's new growth factor serum works magic on signs of ageing – and it's 20% off - The formula’s hero ingredient is set to make a big buzz in the skincare world in 2025 ...

Plus, dermatologists explain what’s really in growth factor serums. When looking for products to mitigate the physical signs ...