Regenerative medical aesthetics has evolved beyond volume replacement towards biologically driven interventions that aim to restore skin structure, function and resilience. Despite rapid innovation in biostimulatory injectables, skin boosters, polynucleotides, exosomes and cosmeceuticals, optimal outcomes remain dependent on clinician understanding of cutaneous biology, evidence quality, patient specific factors and structured treatment sequencing. This paper critically evaluates contemporary regenerative modalities including calcium hydroxylapatite, hyaluronic acid–based bio remodellers and skin boosters, amino acid complexes, polynucleotides, exosomes and adjunctive active topicals. Mechanisms of action, receptor interactions, tolerability, safety considerations and emerging technologies are explored, supported by clinically relevant case studies. A portfolio agnostic, physiology led approach is advocated to support safe, effective and sustainable improvements in skin quality. The paradigm shift from volumisation centred aesthetic practice towards regenerative, skin quality focused intervention reflects both patient demand and advances in the understanding of skin ageing biology. Whilst replacement of deep structural support with high quality Dermal Fillers remains the foundation of facial restructuring, chronological ageing, hormonal change and cumulative environmental exposure lead to progressive fibroblast senescence, extracellular matrix degradation, vascular compromise and impaired epidermal turnover which we now have the capacity to restore in ways not previously possible. Regenerative treatments aim to stimulate endogenous repair mechanisms rather than replace volume, necessitating careful appraisal of product composition, biological targets and clinical evidence. Without such appraisal, there is a risk of inappropriate sequencing, suboptimal outcomes or avoidable adverse effects.
Tracey Dennison (Sun,) studied this question.