Energy-based devices — fractional CO₂, erbium, picosecond, alexandrite, Nd:YAG, KTP, PDL, IPL. The chromophore framework and what each actually does.
Alexandrite (755 nm), diode (808 nm), and Nd:YAG (1064 nm) laser hair removal compared by Fitzpatrick skin type, efficacy, pain, pigmentary risk, and FDA…
IPL is not a laser. This evidence-led breakdown covers the FDA distinction, hair-removal vs skin-rejuvenation fit, skin-of-color safety, and how to choose.
Post-inflammatory erythema (PIE) treatment guide: PIE vs PIH, natural fade timeline, pulsed-dye laser evidence (Bae-Harboe 2013), azelaic/tranexamic acid, and 2026…
Chemical peel vs laser resurfacing: compare mechanisms, pooled meta-analysis effect sizes (38 studies, 1,695 patients), downtime, cost, and skin-of-color safety.
Evidence-based guide to dermatofibroma removal: dimple sign diagnosis, surgical excision vs cryotherapy vs laser trade-offs, subclinical margins, and the DFSP cancer red…
Evidence guide to Poikiloderma of Civatte: classic triad of hyperpigmentation, telangiectasias, and atrophy, IPL vs PDL vs 577nm pro-yellow laser evidence, sessions…
Complete guide to pyogenic granuloma removal: why fast-growing bleeding red bumps recur, the 1.5% amelanotic melanoma miss rate, timolol vs laser vs excision, and US…
An evidence-based guide to cherry angioma removal: comparing pulsed dye laser (PDL), 1064 nm Nd:YAG, electrocautery, and cryotherapy, skin-of-color safety, costs, and…
An evidence-based guide to keratosis pilaris (KP) treatment. Ranks keratolytics (lactic vs. salicylic acid vs. urea), evaluates vascular lasers, and outlines pregnancy…
An evidence-based guide to rhinophyma (rosacea nose). Corrects the drinker's nose myth using JAAD severity data, analyzes occult cancer risks, and compares CO2 laser…