Exosomes are the most talked-about regenerative treatment in aesthetics. How strong is the evidence, what is the regulatory status, and what are the risks?

Recurrent painful lumps in the armpits, groin and buttocks mistaken for years as 'boils' or 'ingrown hairs' may be hidradenitis suppurativa. Causes, Hurley stages and the current treatment ladder.

No two scars are alike: hypertrophic scars, keloids, depressed acne scars, surgical scars and stretch marks each need different methods. Treatment options by scar type and realistic expectations.

Salmon DNA (polynucleotide) and skin booster injections add no volume; they target the skin's hydration, elasticity and repair capacity. Who they suit and how they differ from fillers and biostimulators.

Sweating without heat or exertion that disrupts social and working life is hyperhidrosis. Primary vs secondary, diagnosis and the treatment ladder.

Eczema is a group of itchy inflammatory skin conditions, not a single disease. How contact dermatitis, hand eczema and atopic dermatitis are told apart and treated.

Collagen biostimulators explained: calcium hydroxyapatite, poly-L-lactic acid, polycaprolactone and hybrid injectables — differences, duration and who they suit. By dermatologist Dr. Kağan Cingöz, Kırklareli.

Hair mesotherapy explained by a dermatologist: what is injected, which hair loss types respond, how it compares with PRP, session numbers and realistic expectations.

PRP for hair loss explained honestly by a dermatologist: which diagnoses respond, the session protocol, realistic results and when PRP is a waste of money.

Persistent dandruff, itchy scalp, pimples at the hair roots or scaly patches: how a dermatologist tells seborrheic dermatitis, psoriasis, folliculitis and tinea capitis apart and which ones cause hair loss.

Sudden diffuse hair shedding 2-3 months after illness, surgery, childbirth, crash dieting or GLP-1 weight loss: how long telogen effluvium lasts and what actually helps.

Cicatricial alopecias destroy the follicle permanently. Lichen planopilaris, frontal fibrosing alopecia, folliculitis decalvans and discoid lupus: warning signs, biopsy and treatment goals.

Male and female pattern hair loss: how a dermatologist confirms the diagnosis with trichoscopy, stages it, and which treatments are evidence-based. Close to the Bulgarian and Greek borders.

Alopecia areata explained by a dermatologist: autoimmune cause, dermoscopic diagnosis, chance of spontaneous regrowth, steroid injections and JAK inhibitors for extensive disease.

What trichoscopy is, what it shows in androgenetic alopecia, telogen effluvium, alopecia areata and scarring alopecia, and why a diagnosis should come before PRP or mesotherapy.

Ultrasound, radiofrequency or combination? The layer-based patient selection framework Dr. Kağan Cingöz teaches physicians internationally - with honest limits.

Three energy technologies, three different jobs: texture, deep lifting, volumetric tightening. A device trainer explains which does what - and what none can do.

Studies show modest improvements in hydration and elasticity - with big caveats: industry funding, small effects. Where your money works harder, honestly ranked.

Polynucleotide injectables like Rejuran are trending worldwide. What the evidence actually shows, who benefits, and what remains marketing - honestly.

Exfoliate, retinoid, recover, recover - the viral 4-night cycle is actually sound dermatology repackaged. Who it helps, who should modify it, and the honest limits.