Hailey Bieber has been candid about her perioral dermatitis, a common inflammatory rash that can look like acne but needs a very different approach.

Watching Brazil play and noticing Alisson Becker’s facial redness? Rosacea is more than blushing. It can cause flushing, bumps, texture changes, and even eye irritation, but it can be managed.

Sunscreen panic spreads fast online. Here’s what actually matters: UV damage, ingredient choice, sensitive skin, and using SPF correctly.

Heat, sweat, sunscreen, travel, and trendy actives can turn a “glowy” routine into an irritated one. Here’s how to simplify without giving up results.

At-home LED masks can be useful for some skin goals, but melasma-prone skin needs a more careful conversation about heat, visible light, and pigment triggers.

Influencer acne brands and viral routines can be useful for support, but they rarely replace evidence-based acne care.

The best sunscreen is not the one with the flashiest label. It is the one you can apply generously, reapply when needed, and tolerate every day.

Scented washes, wipes, pads, liners, detergents, and “natural” products can irritate delicate skin - and sometimes cause true allergic contact dermatitis.

Fraxel, microneedling, and RF devices can improve texture, acne scars, and pigment - but only when the treatment fits your skin and your summer plans.

You may be diligent about SPF on your face, but the scalp, ears, lips, neck, chest, and hands often get left behind. Let’s fix that.

Some “skin-support” supplements can trigger acne-like breakouts, rashes, lab-test confusion, and toxicity. Here’s what to know before adding another gummy to your routine.

Natural and synthetic fragrances can both trigger irritation, allergic reactions and contact dermatitis. Here’s what sensitive-skin patients should know.

Melasma can be stubborn, but the right skincare, sun protection and dermatologist-guided treatments can help fade brown or gray facial discoloration.

Isotretinoin can offer lasting results for severe or persistent acne. Learn how it works, what to expect and when it may be the right option.

Advanced laser treatments can help improve scars, texture and discoloration. Learn how dermatologist-guided laser care supports smoother-looking skin.

Fractional CO2 laser resurfacing can improve fine lines, scars, texture and sun damage. Here’s what to know before treatment.

Psoriasis is shaped by genetics, the immune system and environmental triggers. Learn why flares happen and when to seek dermatology care.

Fingernails and fingertips can reveal important clues about skin and overall health. Here’s why nail exams matter during dermatology visits.

Rubber ingredients in gloves, shoes and elastic can trigger allergic contact dermatitis. Learn the signs of rubber allergy and what to avoid.

Some supplements may support acne care, while others can worsen breakouts. Learn what the evidence says before adding one to your routine.

Dairy, high-glycemic foods and nutrition patterns may affect acne for some patients. Here’s what current evidence really supports.

Hair loss can have many causes, from hormones to inflammation and genetics. Learn why treatment should be personalized to your diagnosis.

Fragrance in skincare, haircare and household products can trigger rashes and allergic contact dermatitis. Learn how to spot hidden irritants.

Nickel allergy is one of the most common causes of allergic contact dermatitis. Learn where nickel hides and how to reduce skin reactions.

Learn what causes seborrheic dermatitis, why dandruff keeps coming back and which dermatologist-recommended treatments can help calm flaking and itching.

Isothiazolinone preservatives can trigger allergic contact dermatitis in skincare, soaps and household products. Learn where this allergen hides.

Patch testing helps identify ingredients that may be causing allergic contact dermatitis, rashes or sensitive-skin reactions. Here’s how it works.

Preparing for patch testing? Learn what to avoid, what to expect and how to help your dermatologist get the most accurate allergy results.