5-alpha-reductaseAlopecia areataAlopecia totalisAnagen (growth phase)Anagen effluviumAndrogenAndrogenetic alopeciaAnti-androgenBeard transplantBody hair transplant (BHT)Catagen (transition phase)ClascoteroneCompounded formulaCortisol (stress hormone)Dermal papillaDHI (direct hair implantation)DHT (dihydrotestosterone)DHT blockerDiffuse thinningDonor areaDonor dominanceDread shedDutasterideExosomesFerritinFinasterideFollicular unitFolliculitisFrontal fibrosing alopeciaFUE (follicular unit extraction)FUT (follicular unit transplantation)Genetic predispositionGraftGraft survival rateHair densityHair fibers (concealer)Hair follicleHair growth cycleHairlineImplanter pen (Choi pen)JAK inhibitorKeratinLaser cap / helmetLichen planopilarisLow-level laser therapy (LLLT)Ludwig scaleMegasessionMicroneedlingMiniaturisationMinoxidilNorwood scaleOral minoxidil (low-dose)ProstaglandinPRP (platelet-rich plasma)Pull testRecipient areaRetrograde alopeciaScalp biopsyScalp micropigmentation (SMP)Scarring (cicatricial) alopeciaSebaceous glandSeborrhoeic dermatitis (dandruff)SebumSheddingShock loss (post-transplant)SpironolactoneTelogen (resting phase)Telogen effluviumTerminal hairTestosteroneTinea capitis (scalp ringworm)Topical finasterideTransectionTrichodynia (scalp pain)TrichoscopyTrichotillomaniaVasodilatorVellus hairVertex (crown)
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Not medical advice. General education only; it does not replace diagnosis or treatment by a licensed professional. Consult a board-certified dermatologist before starting, stopping or changing any treatment.
⚠️ When to see a doctor — don’t self-treat
- Sudden patchy or circular bald spots
- Redness, scaling, pus, pain or itch (possible scarring alopecia — treat urgently)
- Broken hairs or rapid loss
- Loss with body-wide signs (weight loss, fatigue, cycle changes, acne, extra hair)
- Loss right after a new medication
- Any hair loss in a child