Keratosis Pilaris (Chicken Skin): Symptoms, Causes & UK Treatment Guide

Keratosis pilaris (KP) is a very common and completely harmless skin condition that causes small, hard bumps to develop on the skin. In the UK, it is often informally known as 'chicken skin' because the affected area resembles the skin of a plucked bird. While these bumps do not generally cause pain, they can feel rough to the touch and may cause some individuals to feel self-conscious about their appearance.

According to NHS guidance, keratosis pilaris is not infectious and cannot be spread from person to person. It is often a long-term condition that may improve during the summer months and worsen in the winter when the air is dyer. Many people find that the condition improves naturally as they get older, with many cases resolving on their own by early adulthood.

The most recognisable sign of keratosis pilaris is the appearance of tiny, painless bumps on the skin's surface. These bumps are typically the same colour as your skin, but they can sometimes appear red, brown, or white depending on your skin tone. Common characteristics include:

• Texture: The skin feels rough, like sandpaper or a grater.
• Location: Most commonly found on the backs of the upper arms, front of the thighs, and occasionally the buttocks or face.
• Itching: While usually painless, the skin can sometimes feel dry or mildly itchy.
• Redness: Some people may notice a slight pink or red flush around the bumps, known as keratosis pilaris rubra.

It is important to note that keratosis pilaris does not cause the large, pus-filled spots associated with acne, nor does it typically involve the intense inflammation seen in infections like cellulitis.

The root cause of keratosis pilaris is a buildup of keratin. Keratin is a natural protein found in the skin, hair, and nails that helps protect the skin from infections and harmful substances. In people with KP, the keratin forms a scaly plug that blocks the opening of the hair follicle.

Medical research and NICE guidelines suggest that genetics play a significant role. If you have a family history of keratosis pilaris, you are more likely to develop it yourself. It is also frequently seen in individuals who have other skin conditions, such as atopic eczema, or those with very dry skin (ichthyosis). Because dry skin exacerbates the condition, symptoms often flare up in the UK during the colder months when central heating reduces indoor humidity.

There is no known 'cure' for keratosis pilaris, but you can significantly improve the appearance and texture of your skin with a consistent skincare routine. The primary goal is to soften the keratin plugs and keep the skin well-hydrated.

Moisturising and Exfoliation

• Emollients: Use thick, fragrance-free moisturisers several times a day. Look for products containing urea, salicylic acid, or lactic acid. These ingredients, known as keratolytics, help to break down the excess keratin and soften the skin.
• Gentle Exfoliation: Use a loofah, exfoliating mitt, or a mild body scrub in the shower. Be careful not to scrub too hard, as this can irritate the skin and make the redness more prominent.
• Short, Lukewarm Showers: Hot water can strip the skin of its natural oils. Opt for warm water and limit your time in the shower to 10 minutes or less.
• Soap Substitutes: Avoid harsh soaps or highly perfumed body washes. Use non-soap cleansers (aqueous cream or specific emollient washes) to prevent further drying.

If you have tried over-the-counter treatments and have seen no improvement, or if the appearance of your skin is causing you significant distress, it may be time to speak to a GP online. A private GP consultation allows you to discuss your skin concerns from the comfort of your home, without the long wait times often associated with local surgeries.

An online doctor can help by:

• Confirming the Diagnosis: Ensuring that your symptoms are indeed keratosis pilaris and not another condition like folliculitis or a fungal infection.
• Prescribing Stronger Treatments: In more persistent cases, a GP may prescribe creams containing higher concentrations of urea or tretinoin (a vitamin A derivative) to stimulate cell turnover and clear the follicles.
• Providing Holistic Advice: Offering guidance on managing associated conditions like eczema.
• Referral: If the condition is severe or atypical, they can provide a private referral to a consultant dermatologist.

While it can be tempting to try and 'extract' the bumps, you should never pick, scratch, or squeeze them. Doing so can cause local inflammation, scarring, and potentially lead to secondary bacterial infections. Additionally, avoid heavy, oil-based products that are not designed for keratosis pilaris, as they may further clog the pores rather than treating the underlying keratin buildup.

Sunlight can sometimes help improve the appearance of the skin, but it is vital to always wear high-factor SPF to prevent UV damage and hyperpigmentation of the bumps.