
Marine collagen: does the source or the evidence matter more?
What to check when comparing collagen supplements: composition, studies of the finished product, tolerability and limitations.
Peptides in skincare and collagen: formulas, ingredient research and questions about finished products.

What to check when comparing collagen supplements: composition, studies of the finished product, tolerability and limitations.

Which study outcomes matter when assessing collagen for joints, and why a supplement does not replace a diagnosis.

An overview of acetyl hexapeptide-8, studies of cosmetic formulas and the limits of comparisons with botulinum toxin.

A clear approach to checking a cosmetic product: its INCI list, formula, claims and published evidence.

Hydration, the appearance of wrinkles and the effect of a procedure are different claims. Learn to find the relevant research for each.