--- title: "Skin Concerns — School of Dermatology" description: "Targeted guidance for specific skin issues including acne, hyperpigmentation, barrier damage, rosacea, and more. Real solutions backed by dermatological research." lang: en json-ld: | { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://schoolofdermatology.com/" }, { "@type": "ListItem", "position": 2, "name": "Articles", "item": "https://schoolofdermatology.com/articles" }, { "@type": "ListItem", "position": 3, "name": "Skin Concerns", "item": "https://schoolofdermatology.com/topics/skin-concerns" } ] } --- [![School of Dermatology](/assets/logo-AGZDufdq.svg)](/) Articles [Skin Types](/skin-types) Tools [Glossary](/glossary) # Skin Concerns Targeted guidance for specific skin issues including acne, hyperpigmentation, barrier damage, rosacea, and more. Real solutions backed by dermatological research. [Home](/)/ [Articles](/articles)/ Skin Concerns [ ## Aging Evidence-based guides to understanding and treating skin aging — from collagen loss and wrinkles to retinol routines and red light therapy. Browse Aging Articles ](/skin-concerns/aging) [ ![Ingrown Hairs: Why They Happen and How to Prevent and Treat Them](/assets/ingrown-hairs-hero-CkR_Lz3O.jpg) Skin Concerns ### Ingrown Hairs: Why They Happen and How to Prevent and Treat Them Painful red bumps where you shaved or waxed are usually ingrown hairs — and the way you've been treating them is probably making them worse. Here's the actual playbook. Jamie Reeves · 8 min read ](/articles/skin-concerns/ingrown-hairs-prevention-treatment)[ ![Body Acne: Why Your Back and Chest Break Out Differently Than Your Face](/assets/back-acne-hero-Cua31c6M.jpg) Skin Concerns ### Body Acne: Why Your Back and Chest Break Out Differently Than Your Face Back and chest acne is more stubborn, more inflammatory, and more often caused by friction, sweat, and Malassezia than your face acne ever is. Treating it like facial acne is why nothing has worked. Jamie Reeves · 9 min read ](/articles/skin-concerns/body-acne-back-chest)[ ![Stretch Marks: What They Are, Why They Form, and What Can Actually Reduce Them](/assets/stretch-marks-hero-CUBHBhN7.jpg) Skin Concerns ### Stretch Marks: What They Are, Why They Form, and What Can Actually Reduce Them Stretch marks aren't just cosmetic surface lines — they're real scars formed in the deeper dermis. Understanding what they actually are explains why most products do nothing and which treatments truly help. Jamie Reeves · 9 min read ](/articles/skin-concerns/stretch-marks-causes-treatments)[ ![Contact Dermatitis: How to Tell If Your Skincare Is Actually Hurting You](/assets/contact-dermatitis-hero-n3Up98kB.png) Skin Concerns ### Contact Dermatitis: How to Tell If Your Skincare Is Actually Hurting You Not every skin reaction is a 'purge.' Sometimes your skincare is genuinely hurting you — and continuing to use the offending product can turn a brief flare into a months-long problem. Jamie Reeves · 9 min read ](/articles/skin-concerns/contact-dermatitis-skincare-irritation)[ ![Seborrheic Dermatitis: The Skin Condition That Looks Like Acne But Isn't](/assets/seborrheic-dermatitis-hero-CJRaJsf3.jpg) Skin Concerns ### Seborrheic Dermatitis: The Skin Condition That Looks Like Acne But Isn't Persistent redness and flaking on your nose, brows, or scalp that gets worse with acne products is almost never acne. It's usually seborrheic dermatitis — and it needs an entirely different approach. Jamie Reeves · 9 min read ](/articles/skin-concerns/seborrheic-dermatitis-not-acne)[ ![Hormonal Acne: Why It's Different and What Actually Works](/assets/hormonal-acne-hero-CdeSUHZO.jpg) Skin Concerns ### Hormonal Acne: Why It's Different and What Actually Works If your breakouts cluster on your jawline, flare a week before your period, and shrug off every spot treatment you try, you're not dealing with regular acne. You're dealing with hormones. Jamie Reeves · 10 min read ](/articles/skin-concerns/hormonal-acne-what-works)[ ![Dry vs Dehydrated Skin: Why the Distinction Actually Matters for Your Routine](/assets/dryness-dehydration-hero-DdBsSYLt.jpg) Skin Concerns ### Dry vs Dehydrated Skin: Why the Distinction Actually Matters for Your Routine Dry and dehydrated sound like the same thing, but they're entirely different problems with entirely different solutions. Mixing them up is one of the most common reasons routines stop working. Jamie Reeves · 9 min read ](/articles/skin-concerns/dry-vs-dehydrated-skin)[ ![Milia: What Those Small White Bumps Actually Are and How to Get Rid of Them](/assets/milia-hero-D1zEPBOW.jpg) Skin Concerns ### Milia: What Those Small White Bumps Actually Are and How to Get Rid of Them Tiny, hard, pearl-white bumps that won't budge no matter how hard you press. Milia are not pimples, and treating them like acne is a fast way to make them worse. Jamie Reeves · 9 min read ](/articles/skin-concerns/milia-white-bumps-treatment)[ ![Psoriasis: Understanding the Difference From Eczema](/assets/psoriasis-hero-w76b1043.webp) Skin Concerns ### Psoriasis: Understanding the Difference From Eczema Those red, scaly patches on your skin — are they eczema or psoriasis? The distinction is critical because the conditions have different causes, different triggers, and different treatments. Jamie Reeves · 10 min read ](/articles/skin-concerns/psoriasis-vs-eczema)[ ![Eczema: What It Actually Is and How to Manage It Long Term](https://images.unsplash.com/photo-1505944270255-72b8c68c6a70?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Eczema: What It Actually Is and How to Manage It Long Term Eczema isn't just dry skin — it's a complex inflammatory condition driven by genetics, immune dysfunction, and barrier defects. Here's what the science actually says about managing it. Jamie Reeves · 11 min read ](/articles/skin-concerns/eczema-management-guide)[ ![Perioral Dermatitis: The Rash Around Your Mouth That Won't Go Away](/assets/perioral-dermatitis-hero-8uF7VgJu.webp) Skin Concerns ### Perioral Dermatitis: The Rash Around Your Mouth That Won't Go Away That stubborn, bumpy rash around your mouth that won't respond to anything you throw at it? It might be perioral dermatitis — and treating it requires doing the opposite of what you'd expect. Jamie Reeves · 10 min read ](/articles/skin-concerns/perioral-dermatitis-rash-mouth)[ ![Red Light Therapy for Anti-Aging: What Dermatologists Actually Think](https://images.unsplash.com/photo-1579684385127-1ef15d508118?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Red Light Therapy for Anti-Aging: What Dermatologists Actually Think Red light therapy has gone from niche biohacking trend to mainstream anti-aging treatment. But what does the dermatological evidence actually support? Jamie Reeves · 10 min read ](/articles/skin-concerns/red-light-therapy-anti-aging)[ ![Keratosis Pilaris: The Real Reason You Have Bumps on Your Arms](/assets/keratosis-hero-CROA5cPw.webp) Skin Concerns ### Keratosis Pilaris: The Real Reason You Have Bumps on Your Arms Those tiny, rough bumps on your upper arms that never seem to go away? That's keratosis pilaris — and while it's completely harmless, there are effective ways to smooth it out. Jamie Reeves · 9 min read ](/articles/skin-concerns/keratosis-pilaris-bumps-arms)[ ![At-Home Collagen Treatments: What the Research Actually Says](/assets/collagen-treatments-hero-QXeQISaR.webp) Skin Concerns ### At-Home Collagen Treatments: What the Research Actually Says The collagen industry is worth billions, but which at-home treatments actually stimulate collagen production? We reviewed the clinical evidence for all of them. Jamie Reeves · 10 min read ](/articles/skin-concerns/at-home-collagen-treatments)[ ![Hyperpigmentation vs Age Spots: Understanding the Difference](/assets/hyperpigmentation-hero-CyDMm3j3.webp) Skin Concerns ### Hyperpigmentation vs Age Spots: Understanding the Difference People use 'hyperpigmentation' and 'age spots' interchangeably, but they're not the same thing. Understanding the difference determines which treatment will work. Jamie Reeves · 9 min read ](/articles/skin-concerns/hyperpigmentation-vs-age-spots)[ ![Fungal Acne: Why Your Regular Acne Treatments Aren't Working](/assets/fungal-acne-hero-Ds5rW1X-.webp) Skin Concerns ### Fungal Acne: Why Your Regular Acne Treatments Aren't Working If your acne doesn't respond to benzoyl peroxide, retinoids, or antibiotics, you might be treating the wrong condition entirely. Fungal acne requires a fundamentally different approach. Jamie Reeves · 9 min read ](/articles/skin-concerns/fungal-acne-treatments)[ ![Forehead Lines: What Causes Them and What Actually Reduces Them](/assets/forehead-lines-hero-D44VlAPl.webp) Skin Concerns ### Forehead Lines: What Causes Them and What Actually Reduces Them Forehead lines are among the most common aging concerns. Here's what's causing yours and which treatments — from at-home to professional — actually work. Jamie Reeves · 9 min read ](/articles/skin-concerns/forehead-lines-causes-treatments)[ ![Melasma: Why It's One of the Hardest Skin Conditions to Treat](https://images.unsplash.com/photo-1616394584738-fc6e612e71b9?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Melasma: Why It's One of the Hardest Skin Conditions to Treat That symmetrical brown discoloration on your cheeks isn't typical hyperpigmentation — it's melasma, and treating it requires a completely different approach than treating dark spots from acne. Jamie Reeves · 10 min read ](/articles/skin-concerns/melasma-hardest-skin-condition)[ ![The Truth About Eye Creams: Do They Actually Work](/assets/eye-creams-hero-bsuFiHw5.webp) Skin Concerns ### The Truth About Eye Creams: Do They Actually Work Eye creams are one of the most debated products in skincare. Are they a necessary investment or expensive marketing? The answer is more nuanced than you'd think. Jamie Reeves · 9 min read ](/articles/skin-concerns/truth-about-eye-creams)[ ![Retinol for Anti-Aging: The Complete Guide to Getting Started](https://images.unsplash.com/photo-1617897903246-719242758050?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Retinol for Anti-Aging: The Complete Guide to Getting Started Retinol is the most evidence-backed anti-aging ingredient available over the counter. Here's exactly how to start using it without destroying your skin in the process. Jamie Reeves · 11 min read ](/articles/skin-concerns/retinol-anti-aging-guide)[ ![How to Tell If Your Skin Is Sensitive or Just Sensitized](/assets/sensitive-skin-hero-DZ9-8Rlg.webp) Skin Concerns ### How to Tell If Your Skin Is Sensitive or Just Sensitized Not all reactive skin is 'sensitive.' Most people with irritated, stinging, red skin have sensitized their skin through products or habits — and that's actually good news, because it's reversible. Jamie Reeves · 8 min read ](/articles/skin-concerns/sensitive-vs-sensitized-skin)[ ![How Collagen Loss Actually Works and How to Slow It Down](/assets/collagen-loss-hero-D2Rid4Hn.webp) Skin Concerns ### How Collagen Loss Actually Works and How to Slow It Down Collagen loss is the single biggest driver of visible skin aging. Understanding how it works is the first step toward slowing it down effectively. Jamie Reeves · 11 min read ](/articles/skin-concerns/how-collagen-loss-works)[ ![Why Stress Breaks Out Your Skin and What to Do About It](https://images.unsplash.com/photo-1541199249251-f713e6145474?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Why Stress Breaks Out Your Skin and What to Do About It Your skin is the largest organ in your body, and it responds to stress in measurable, physiological ways. Here's the science behind stress breakouts — and what actually helps. Jamie Reeves · 9 min read ](/articles/skin-concerns/why-stress-causes-breakouts)[ ![Sun Damage: How to Fade It and Stop It Getting Worse](/assets/sun-damage-hero-DsNu9vk8.webp) Skin Concerns ### Sun Damage: How to Fade It and Stop It Getting Worse Sun damage is cumulative and often doesn't become visible until years after the exposure. Here's how to address existing damage and prevent more from forming. Jamie Reeves · 10 min read ](/articles/skin-concerns/sun-damage-fade-prevent)[ ![The Real Difference Between Fine Lines and Deep Wrinkles](https://images.unsplash.com/photo-1522337360788-8b13dee7a37e?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### The Real Difference Between Fine Lines and Deep Wrinkles Not all wrinkles are created equal. Understanding whether you're dealing with fine lines or deep wrinkles determines which treatments will actually work. Jamie Reeves · 9 min read ](/articles/skin-concerns/fine-lines-vs-deep-wrinkles)[ ![Closed Comedones: Why They're Harder to Treat Than Regular Acne](https://images.unsplash.com/photo-1552693673-1bf958298935?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Closed Comedones: Why They're Harder to Treat Than Regular Acne Those tiny, flesh-colored bumps that refuse to come to a head? They're closed comedones — and they require a completely different treatment strategy than inflammatory acne. Jamie Reeves · 9 min read ](/articles/skin-concerns/closed-comedones-treatment)[ ![Neck and Chest Skin: Why It Ages Faster Than Your Face](/assets/neck-chest-hero-BHiWDSF3.webp) Skin Concerns ### Neck and Chest Skin: Why It Ages Faster Than Your Face Most people invest heavily in their facial skincare routine but completely neglect the neck and chest — two areas that often show aging first. Jamie Reeves · 9 min read ](/articles/skin-concerns/neck-chest-skin-ages-faster)[ ![Crow's Feet: What Works and What Doesn't](/assets/crows-feet-hero-DdrkxZKK.webp) Skin Concerns ### Crow's Feet: What Works and What Doesn't Crow's feet are among the first visible signs of aging. Here's what the research says about preventing and treating these periorbital lines effectively. Jamie Reeves · 9 min read ](/articles/skin-concerns/crows-feet-what-works)[ ![Why Your Skin Loses Firmness After 30 and What Actually Helps](https://images.unsplash.com/photo-1509967419530-da38b4704bc6?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Why Your Skin Loses Firmness After 30 and What Actually Helps Starting around age 30, your skin produces roughly 1% less collagen each year. Here's what's really happening beneath the surface — and what you can do about it. Jamie Reeves · 10 min read ](/articles/skin-concerns/why-skin-loses-firmness-after-30)[ ![Why Your Skin Gets Oilier When You Moisturize](https://images.unsplash.com/photo-1619451334792-150fd785ee74?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Why Your Skin Gets Oilier When You Moisturize It sounds counterintuitive, but skipping moisturizer can actually make oily skin worse. Here's the physiological explanation — and what to do about it. Jamie Reeves · 8 min read ](/articles/skin-concerns/why-skin-oilier-when-moisturize)[ ![Under-Eye Circles: Which Ones Can Actually Be Treated](https://images.unsplash.com/photo-1515377905703-c4788e51af15?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Under-Eye Circles: Which Ones Can Actually Be Treated Eye creams promising to eliminate dark circles sell billions annually. But the truth is more nuanced — the first step is identifying what type you actually have. Jamie Reeves · 8 min read ](/articles/skin-concerns/under-eye-circles-treatment)[ ![Rosacea vs. Redness: How to Tell the Difference](https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Rosacea vs. Redness: How to Tell the Difference Your face is red and you've convinced yourself it's rosacea. But redness has many causes — and treatment depends entirely on the correct diagnosis. Jamie Reeves · 8 min read ](/articles/skin-concerns/rosacea-vs-redness)[ ![Hyperpigmentation: The Difference Between PIE and PIH](https://images.unsplash.com/photo-1522337360788-8b13dee7a37e?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Hyperpigmentation: The Difference Between PIE and PIH That dark spot left behind after a breakout — is it PIE or PIH? The distinction matters more than you think, because the treatments are completely different. Jamie Reeves · 8 min read ](/articles/skin-concerns/hyperpigmentation-pie-vs-pih)[ ![How to Actually Repair Your Skin Barrier](https://images.unsplash.com/photo-1556228720-195a672e8a03?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### How to Actually Repair Your Skin Barrier If your skin is red, stinging, and reactive to everything — your barrier is probably compromised. Here's how to repair it based on actual dermatological science. Jamie Reeves · 8 min read ](/articles/skin-concerns/how-to-repair-skin-barrier)[ ![Why You Still Have Acne in Your 30s (And What to Do About It)](https://images.unsplash.com/photo-1616394584738-fc6e612e71b9?w=800&h=400&fit=crop&q=80&fm=webp) Skin Concerns ### Why You Still Have Acne in Your 30s (And What to Do About It) You thought acne was a teenage problem. So why is your skin still breaking out at 32? The causes of adult acne are different — and so are the solutions. 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