Topicals with evidence, the actives that don't have it, peels, lasers for skin, and the conditions that resist all of it.
Bakuchiol is the plant-derived retinol alternative with one head-to-head 12-week trial behind it. Exact numbers, tolerability data, combination use, and what pregnancy…
Fungal acne is Malassezia folliculitis, a yeast overgrowth that mimics acne and shrugs off antibiotics. Evidence on diagnosis clues, ketoconazole washes, and oral…
Scalp massage for hair growth rests on one tiny 9-man thickness trial and one self-reported survey. Here are the real numbers, the protocol tested, and how it compares…
Biotin gummies promise thicker hair and stronger nails. The evidence is thinner than the marketing - and high-dose biotin can skew lab tests, including troponin. What to…
Rosemary oil went viral after one 2015 trial found it matched minoxidil 2% for hair growth. What that trial really showed, what 2025 guidelines say, and how to use it…
A 2021 Columbia study showed some gray hairs re-pigment when stress eases. Which cases can reverse, which blood tests matter, and why anti-gray supplements fail.
Foam and liquid minoxidil share one active ingredient but differ in propylene glycol, dosing, and FDA label history. What the trials and drug labels actually show.
A dermatologist-backed guide to ordering skincare products (vitamin C, niacinamide, retinol, AHA/BHA, moisturizer, sunscreen) and which active ingredients can and cannot…
The real difference between AHAs and BHAs, which acid (glycolic, lactic, mandelic, salicylic) fits your skin concern, concentrations, and FDA safety rules.
What peptides do in skincare, how GHK-Cu copper peptides, Matrixyl, and Argireline differ, clinical evidence depth, and whether peptides can replace retinol.