Vitamin C serums explained - the right concentration, stabilised formulation and storage to keep it from oxidising, plus how to use it for brighter skin.
What peptide serums actually do, what to realistically expect, and who should use one - the gentle, well-tolerated way to support firmness in anti-aging skincare.
How to build an anti-aging skincare routine that actually delivers - the proven actives (SPF, retinol, vitamin C, peptides) and the order to use them in.
The difference between a licensed topical treatment and a cosmetic regrowth serum, why the first causes a temporary shedding phase and how long it lasts, how to apply either so it reaches the scalp, and how to read the claims on the bottle.
Why high-dose biotin can distort blood tests including troponin, what the evidence really shows for biotin, iron, vitamin D and zinc, the two nutrients that cause hair loss in excess, and why testing before supplementing is the only sensible order.
