• 089-258 6643
  • info@thebeautybus.ie
What Those Confusing IL Numbers in Skin-Treatment Ads Actually Mean

What Those Confusing IL Numbers in Skin-Treatment Ads Actually Mean

My AccountFIND A DOCTORNewsCelebrityNew LaunchesTreatment & FDA NewsIndustry & Retail NewsFaceAcneAnti-AgingCelebrityEye CareHyperpigmentationMakeupSensitive SkinSkin CareSkin ConditionsSmileSun CareTreatmentsNeurotoxinsFillersLasers & Energy DevicesMicroneedlingPost-Procedure Skin CareRegenerative AestheticsSkin Lifting and TighteningBodySkin CareBody SculptingBreastsButtsCelluliteFragranceHands + NailsLegsPregnancyHairBond RepairCelebrity HairDry HairFrizzy HairGray HairHair ColorHair GrowthHair RepairScalp HealthTips + TutorialsAwardsNB100 Awards16th Annual Beauty Awards2025 NewBeauty Readers’ Choice AwardsShoppingBeautyReportGift GuidesNewBeauty StorefrontProduct ReviewsWellnessFitnessGLP-1sHealthMenopauseBEAUTYPASSNewsView All NewsCelebrityNew LaunchesTreatment & FDA NewsIndustry & Retail NewsFaceView All FaceAcneAnti-AgingCelebrityEye CareHyperpigmentationMakeupSensitive SkinSkin CareSkin ConditionsSmileSun CareTreatmentsView All TreatmentsNeurotoxinsFillersLasers & Energy DevicesMicroneedlingPost-Procedure Skin CareRegenerative AestheticsSkin Lifting and TighteningBodyView All BodySkin CareBody SculptingBreastsButtsCelluliteFragranceHands + NailsLegsPregnancyHairView All HairBond RepairCelebrity HairDry HairFrizzy HairGray HairHair ColorHair GrowthHair RepairScalp HealthTips + TutorialsAwardsView All AwardsNB100 Awards16th Annual Beauty Awards2025 NewBeauty Readers’ Choice AwardsShoppingView All ShoppingBeautyReportGift GuidesNewBeauty StorefrontProduct ReviewsWellnessView All WellnessFitnessGLP-1sHealthMenopauseLoading…FIND A DOCTORBEAUTYPASS Advertisement Home›Skin Care›Chronic Skin Conditions What Those Confusing IL Numbers in Skin-Treatment Ads Actually Mean Dermatologists break down what IL-4, IL-13, IL-17 and IL-23 actually do—and why it matters for your treatment. Tatiana BidoInstagramAbout NewBeauty Aug 31, 2026 Getty Images / Ake Ngiamsanguan If you’ve watched TV lately, chances are you’ve heard a string of letters and numbers that sound more like something from an immunology textbook than a skin-treatment commercial: IL-4, IL-13, IL-17, IL-23. They’re attached to some of the biggest names in eczema and psoriasis treatment, including Dupixent, Ebglyss, Skyrizi and Tremfya. You may recognize the drug names by now, but what those numbers represent and what each treatment actually targets are much less obvious. The good news is you don’t need an immunology degree to understand the basics. These different “ILs” are part of the immune system’s communication network, and today’s treatments are designed to interrupt specific signals that contribute to inflammation. It’s one reason the treatment landscape for eczema and psoriasis looks so different than it did a decade ago. “These medications have really revolutionized how we treat skin disease and made…

Read the full article →

From the comfort of my purpose built mobile beauty salon 'The Beauty Bus' provides beauty therapy and beauty treatments for ladies in Limerick City and the surrounding areas.

All Bookings By Appointment Only

Mon-Fri: 9 AM – 6 PM
Saturday: Appointment Only
Out Of Hours: By Appointment Only

Limerick City & Suburbs
Email: info@thebeautybus.ie
Telephone: 089-258 6643

The Beauty Bus © 2025 All Rights Reserved. www.ProActionLabs.ie