Skincare
Retinol and retinoids: what is actually proven
Few ingredients are advertised so often and explained so rarely. What retinoids actually do, how retinol and tretinoin differ, and who should not use them.
Journal
All articles and analyses.
Physician-written articles on skincare, aesthetic medicine and anti-aging — fully referenced and free of paid recommendations.
Injectables
Botulinum toxin: the complete data sheet
Mechanism, indications, realistic results, duration, risks, side effects, evidence and cost — all nine fields for the best-studied treatment in aesthetic medicine.
Evidence
Do collagen supplements work?
One of the best-selling product categories in beauty — reviewed systematically by claim, evidence, benefit, risk and overall verdict.
Anti-Aging
Understanding skin ageing: intrinsic and extrinsic
Part of skin ageing is unavoidable; a substantial part is not. Knowing the difference makes it immediately clear which anti-aging promises are plausible — and which are not.
Medical disclaimer
The information on this website is provided for general medical education and does not replace individual medical examination, diagnosis or treatment. It does not constitute a treatment recommendation for any individual case. If you have health concerns, or before undergoing any treatment, please consult a physician.
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