If you ’ve ever experience those small , sometimes reddish bumps on your skin , you ’re not alone ; so - called “ chicken skin ” is so common it ’s often regard anormalvariant of human skin . In aesculapian condition , it ’s better acknowledge as keratosis pilaris ( KP ) – but what in reality is this , and can it be treat ?

What is keratosis pilaris?

KP is aharmlessskin precondition characterized by little , painless bumps on the skin , often found on the upper arm and thighs , but also the face and buttocks . These excrescence can sometimes be crimson or brownish black in show depending on skin tone and might be accompanied by dry , approximate - feel skin .

For some hoi polloi with this condition , it can get worse during the winter , whilst others might experience itchiness that can also worsen at this time .

There ’s not a rigid symptomatic trial for KP , but doctors are usually capable to diagnose it free-base on whether a person’sskinmatches up with the feature above .

Example photographs of keratosis pilaris on paler skin, where the bumps are more red (left) and on darker skin, where the bumps are more brown (right).

The bumps can look more red in color on paler skin and more brown on deeper skin tones.Image credit: sruilk/Tai Ketlakorn/Shutterstock.com; modified by IFLScience

How common is it?

If you ’ve never had it yourself , chances are you know someone who has had it or still does . KP is thought toaffectanywhere from 50 to 70 per centum of teenagers – it often first appears during early childhood or as a adolescent – and around 40 per centum of adult .

What causes it?

There ’s a clue as to what make KP in its name . “ Keratosis ” refers to when an excessiveness of the protein keratin in the outmost stratum of the skin causes “ horny growths ” – in the case of KP , humble bump .

The buildup of keratin – which supply structural reinforcement to the cutis – in KP fall out in the hair follicle , hence “ pilaris ” stems from the Romance terminal figure for hair’s-breadth , “ pilus ” .

Under normal circumstance , keratin is sloughed off , but what on the button head rather to the accumulation of keratin is ill-defined .

KP is not contractable , so you ca n’t enamour it from other hoi polloi . There are someknown factorsthat can increase someone ’s risk of train KP :

The fact that KP often runs in families bespeak to scientists that there could be a genetic source to the precondition . A good place to start is by look at the genetics of weather condition often associated with KP and this has primarily focus onichthyosis vulgaris – which manifest as exceedingly dry , scaly pelt – and atopic eczema .

Thisled scientiststo mutation in the gene ( FLG)encoding filaggrin . This is a protein that , undernormal setting , binds to fiber of ceratin and helps to keep up the skin ’s roadblock . change toFLGhave been associated with KP , though the pathway by which these mutations lead to keratin buildup are not yet established .

Though a positively charged step , the search for a grounds is far from over , and not just limited toFLG . Some scientists suggest thatFLGmutations ca n’t answer for for all of the discernible traits of KP , nor for the differences in those trait seen between hoi polloi . In financial backing of that , a smallstudyof 20 people with KP found that only 35 percent hadFLGmutations , although they mark this is higher than the average European carrier frequency of 4 to 9 percent .

Are there treatments for keratosis pilaris?

KP does n’t have a curative , but for many citizenry , it clears up during adulthood . As mentioned , it ’s also a harmless condition , so it does n’t need to be cover unless someone wishes it to be . In such cases , some things can aid to reduce the dryness or change the appearance of the gibbosity – though it should be noted thatnone are insure to do so quick .

Whichtreatmentis used depends on what lineament of KP is being place , and speaking to a dermatologist can assist you determine which option is best for you .

For relieve any dryness or itching , it ’s urge to regularly apply moisturizers , specially those containing urea or lactic pane , and to do so after getting out of the bath or shower .

When it comes to reducing the visual aspect of its characteristic bumps , the main approach shot is scurf . This can be either mechanical , such as with a loofah , or with a chemical exfoliant like glycolic or salicylic loony toons . Topical retinoids , some of which can be prescribed by a doctor , may also help ease symptom . When using topical retinoids or exfoliating acids , it ’s always a adept idea to hold out sunscreen during the mean solar day .

Topical steroid can sometimes be dictate if red is a vexation , though a 2021reviewfound that discourse with steroid hormone , such as hydrocortisone and prednisone , had only special potential drop . Other avenues to regale discolouration , or the bumps where other intervention have fail , can include using optical maser therapy .

Regardless of the treatment avenue , it ’s crucial to keep an eye on how the skin reacts ; peel can get irritated with some of these approach , so it ’s ripe stick to the advice doctors provide about how much and when to use handling , and stop over if pique occurs .

All “ explainer ” clause are confirmed byfact checkersto be correct at fourth dimension of publishing . Text , images , and links may be delete , bump off , or added toat a later date to keep information current .

The depicted object of this article is not intend to be a substitute for professional medical advice , diagnosis , or intervention . Always seek the advice of dependent health provider with question you may have regarding medical conditions .