Quick Answer: An exosome facial uses exosomes — nano-sized vesicles derived from stem cells — to deliver growth factors, proteins, and genetic signalling molecules directly into the skin, triggering cellular regeneration at a level no conventional skincare product can reach. The result is measurable improvement in skin texture, tone, pigmentation, fine lines, and overall skin quality. At Marques Therapy, 88 Southwark Bridge Rd, London SE1, exosome facial treatments are delive