1. Friction and Pressure
One of the most common causes is repeated friction.
Wearing tight shoes, socks, or straps that rub against your ankles can lead to:
Skin thickening (as protection)
Darkening over time
The skin reacts by becoming tougher and more pigmented in those areas.
2. Dry Skin (Xerosis)
Dry skin is a very common issue, especially in colder weather or with frequent washing.
When the skin lacks moisture:
It can become rough and flaky
It may appear darker or dull
It can thicken over time
Regular moisturizing often improves this condition.
3. Hyperpigmentation
Hyperpigmentation occurs when certain areas of skin produce more melanin.
This can be caused by:
