Chemical Exfoliants: How AHA and BHA Acids Differ
Glycolic, lactic, and salicylic acids have trial support for texture, tone, and blemishes, with differences in depth, strength, and sun sensitivity that shape their use.
Beauty
Beauty assesses skincare and haircare by ingredient, concentration and delivery, comparing marketing language against dermatological evidence. Coverage includes sun protection, retinoids, acne treatment, hair loss and the gap between a cosmetic effect and a clinical one. For readers deciding what needs a prescription.
Skin and hair care judged on ingredients and concentration rather than packaging, covering what a formulation achieves and what needs a clinic instead.
Skin Barrier and Moisturizers, Explained
The stratum corneum works like bricks and mortar, and moisturizer classes, humectants, emollients, and occlusives, support it in measurably different ways.
Hair Loss Treatments: What the Evidence Supports
Minoxidil and finasteride carry the strongest trial records for pattern hair loss, while supplements, laser devices, and PRP sit on thinner or emerging evidence.
Hyaluronic Acid and Skin Hydration: What Research Shows
Hyaluronic acid holds water in skin effectively as a humectant, and small trials suggest oral and topical forms may improve hydration measures, with limits worth knowing.
Acne Treatments: What the Research Shows Works
Randomized trials support benzoyl peroxide, adapalene, azelaic acid, and several prescription options, while pore strips, toothpaste, and most natural-ingredient claims lack comparable evidence.
Niacinamide in Skincare: Benefits Backed by Research
Niacinamide, a form of vitamin B3, has trial support for barrier function, tone, oiliness, and blemishes at low concentrations, with a favorable tolerability record.