Nobody knows exactly why keratin builds up, but the condition is thought to run in families.
And like most things, prevention is better than a cure.
Experts suggest lukewarm rather than hot showers, regular moisturising and gentle exfoliation of rough skin to stop the unsightly bumps in their tracks.
It’s also a good idea to stick to gentle, non–perfumed cleansers.
And the good news is that a lot of people find the condition clears up in the summer.
To find out more, visit the NHS website.
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