Left: Rare
Healthy mature skin showing abundant collagen fibres of fairly uniform diameter, the result of extensive ongoing comprehensive photoprotection, controlled therapeutic collagen stimulation and effective retinoid treatment.
Right: Commonplace
Heavily treated but nevertheless unhealthy mature skin showing extensive damage in the form of haphazard collagen deposition, fragmentation and varying fibre diameters, the result of years of improper treatment and only periodic sunscreen use.