Topicals with evidence, the actives that don't have it, peels, lasers for skin, and the conditions that resist all of it.
Most microneedling needles contain stainless steel with nickel. Here is what FDA clearance, bench tests, and clinical case reports show about reaction risks and what to…
U.S. sunscreen labels permit only 40- and 80-minute water resistance. Here is what the test measures, why waterproof is prohibited, and when Drug Facts require…
A chemical peel creates intended epidermal injury on skin that already has a leaky barrier. Here is why irritation risk, peel depth, and phenotype determine whether to…
How to verify whether an aesthetic study, 510(k) summary, or clinical photo set actually enrolled your Fitzpatrick skin type, and the exact questions to ask when public…
Loniten is an oral hypertension drug with a boxed warning. Rogaine is the approved hair product. Low-dose oral minoxidil for alopecia is off-label.
How 1st-generation PRP and 2nd-generation PRF differ in tube additives, spin speeds, growth factor release curves (1 hour vs 14 days), under-eye safety, and hair loss.
How subcision releases tethered rolling acne scars, why blunt cannulas replace sharp Nokor needles, how filler spacers stop re-tethering, and recovery and costs.
How the four generations of prescription retinoids differ in RAR selectivity, photoaging vs acne FDA approvals, irritation, lotion vehicles (Altreno, Arazlo), and BPO.
FDA added bemotrizinol to the OTC sunscreen monograph in June 2026. What GRASE up to 6 percent means, when US products can actually appear, and how this changes the…
Is eye cream different from face moisturizer? An evidence-first look at eyelid skin, actives, safety reports, and when a separate eye product is worth it.