Could PRP, PDRN, exosomes or growth factors improve thinning hair and aging skin—and might they offer an alternative to Botox, fillers or a hair transplant? Before investing, here is what to ask about the science, source and results. (Partner Contnet)

Women’s thinning hair can feel like a single, humiliating mystery. In reality, it’s often the result of several overlapping forces — hormones, life events, rapid weight loss, stress and nutrition — and treating it usually requires more than one fix.…