Visible aesthetic effects generally emerge over 4–8 weeks and plateau around 12 weeks post-treatment. Duration is typically 4–8 months before gradual fading occurs. Exosome-based treatments may sustain benefit slightly longer than fibroblast serums in some reports. Longevity data beyond 12 months is sparse. Unlike dermal fillers, which have a defined lifespan, exosome persistence in skin tissue is not precisely quantified, making long-term prognosis uncertain.
Aesthetic treatments using stem cell derivatives—primarily exosomes and umbilical-cord fibroblasts—target skin ageing at the cellular level. Exosomes, tiny vesicles naturally released by stem cells, carry proteins and genetic material that may stimulate collagen production and improve skin texture. Umbilical-cord fibroblasts, harvested from donated umbilical tissue, are specialised cells responsible for maintaining skin structure in developing tissue. Placental extracts contain growth factors accumulated during foetal development. These cell-derived materials are investigated for reducing fine lines, improving elasticity, and enhancing overall skin luminosity. Unlike ablative procedures, they work by encouraging the skin's own repair mechanisms rather than removing tissue. Clinical interest has grown steadily, with 9 registered trials globally examining safety and efficacy across different age groups and skin types.
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Medically reviewed by StemCellAtlas’s editorial team with the Stem Plus medical team (physicians & scientists · GMP-certified Sofia laboratory · 25+ yrs international experience) of partner clinic Stem Plus (Sofia), against ISSCR, FDA & EMA guidance. Educational information, not medical advice; figures indicative.
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