Glossary

Platelet (thrombocyte)

Cell fragments that take part in blood clotting and contain growth factors that play a role in tissue repair. PRP is plasma prepared from a person's own blood, with concentrated platelets, that is injected into the skin or scalp.

Articles that mention this term

Treatment GuidesPRP (Platelet-Rich Plasma): How Effective Is It for Skin and Hair?What PRP is, how it is prepared, what the evidence says for hair loss and skin, and who should avoid it. A plain, referenced guide for patients.Reviewed by the Medical Aesthetics Expert BoardSafety CentreProblems after PRP: Bruising, Infection, Risk of Vascular Occlusion and Safety PrecautionsProblems after PRP: how long pain, bruising and swelling last; spotting infection, blood-borne transmission and rare vascular occlusion; prevention.Reviewed by the Medical Aesthetics Expert BoardTreatment GuidesMesotherapy: What Is It, What Is It Used For, and What Does the Evidence Say?What mesotherapy is and how effective it is for skin and hair: the limits of the evidence, risks of unknown mixtures and possible side effects.Reviewed by the Medical Aesthetics Expert BoardStart With a ConcernAcne Scars: Types, Treatment Options and Realistic ExpectationsTypes of acne scars, the difference between marks and scars, treating active acne first, and realistic expectations from laser, peels and microneedling.Reviewed by the Medical Aesthetics Expert BoardStart With a ConcernHair Loss: Causes, When to See a Physician and What Treatments Are AvailableCommon causes of hair loss, when to see a physician, which tests are done and what the evidence-based treatment options are.Reviewed by the Medical Aesthetics Expert BoardTreatment GuidesExosomes and Polynucleotides: What Does the Evidence Say about Salmon DNA and Exosome Treatments, and Are They Licensed?How well supported are exosome and salmon DNA (polynucleotide) treatments? The evidence, licensing, the FDA warning, the unknowns and what to ask.Reviewed by the Medical Aesthetics Expert BoardGuidesMedical Aesthetics for People on Medication or with Chronic Conditions: What to Watch Out For and What to Ask Your PhysicianBlood thinners, isotretinoin, immunosuppressants; diabetes, autoimmune disease, keloids and cold sores: what to watch out for in medical aesthetics.Reviewed by the Medical Aesthetics Expert BoardTreatment GuidesMicroneedling: How Effective Is It for Acne Scars, and Are At-Home Needle Rollers Safe?What microneedling is, how effective it is for acne scars, who it does not suit, the risks of at-home needle rollers and the single-use needle tip rule.Reviewed by the Medical Aesthetics Expert Board

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