SkinQ&A
Sunscreen or Insect Repellent: Which Goes On First?
Apply sunscreen first, then insect repellent, and check each product's instructions.
ArticlesTopic 07
Skin
Adult acne, dark patches, bumps and redness. Evidence over hype for the skin you’re in.
SkinThe short version
Last Summer’s Sunscreen: Check Its Age and Storage Before Using It
An old bottle needs an expiration or purchase-date check, along with protection from heat and direct sun.
SkinComparison
Toenail Fungus Treatments: Pills, Prescription Polishes and Lasers Compared
Drugstore shelves and spas sell plenty of fixes for thick, discolored toenails. Dermatologists say clearing an infection takes prescription medicine, lasers aren't approved to treat it, and a clear nail takes a year or more.
SkinChecklist
Wrinkle-Relaxer Injections: How to Avoid Counterfeit Toxin and At-Home Kits
Botulinum toxin injections for frown lines are common after 50. CDC reports describe women hospitalized after injections at home, at a spa, or from toxin bought online. Here is what to check before you book.
SkinExplainer
Yellow Patches on Your Eyelids (Xanthelasma): What They Say About Heart Risk
Flat yellow patches on the eyelids are called xanthelasma. They're more common in women and are often treated as a cosmetic nuisance, but a 33-year study found they predicted heart attacks independently of cholesterol levels. Here is what to check and how the patches can be removed.
SkinExplainer
Anetoderma Assessment: Why the Biopsy Question Matters
Ask how a suspected loss of elastic tissue is connected to the examination and the laboratory report.
SkinGuide
At-Home Dermaplaning: What a Face Razor Does and When to Skip It
Facial razors promise smoother makeup and no more peach fuzz. Hair won't grow back thicker, but skin conditions and sudden new hair change the picture.
SkinComparison
Cutaneous Amyloidosis: Why the Recorded Type Matters
Compare the meaning of a clinician-confirmed type and the assessment questions that follow.
SkinQ&A
Darier Disease: Inheritance Questions for the Clinic
Ask how inheritance differs from symptom severity after a clinician confirms the diagnosis.
SkinComparison
Derma Rollers and Home Microneedling: What You Can Expect and What to Skip
Home rollers and pens promise the in-office microneedling glow for a fraction of the price. Dermatologists say they work differently, and pressing harder brings risks of its own.
SkinChecklist
A Diagnosed Digital Myxoid Cyst: Three Review Questions
Discuss symptoms, the reason for treatment and the follow-up for a cyst near a finger or toe nail.
SkinMyth buster
Emollient Fire Safety: Washing Does Not Remove Every Risk
Why washed fabrics and paraffin-free products still need fire precautions, and what to ask about your own routine.
