Alpecin koffeinshampoo hvad to minutter kan udrette.
Alpecin er den mest kendte shampoo mod hårtab. Her ser vi på, hvad der er i koffeinshampooen, hvilke studier der findes, hvad den nye DMG gør anderledes – og hvornår du er bedre tjent med et serum.
ARBUTI Hair Salon · Opdateret oktober 2026
Producent
Dr. Kurt Wolff, Bielefeld i Tyskland (står også bag Plantur)
Aktivstof
Koffein, desuden bl.a. zink, niacinamid og panthenol
Til hvem
Mænd; til kvinder tilbyder producenten Plantur 39
Brug
Masseres ind ved hver hårvask, virker i omkring to minutter, skylles ud
Dokumentation
Ifølge forhandleren kun testet på mænd; studier af koffein primært i laboratoriet og med en liquid
Fås hos
Materialister, supermarkeder og online
Hvad er Alpecin koffeinshampoo?
Alpecin hører til familievirksomheden Dr. Kurt Wolff fra Bielefeld. Mest kendt er Caffeine Shampoo C1: en shampoo til mænd, der ud over rense- og plejestoffer indeholder koffein. Dertil kommer Caffeine Liquid, der påføres uden at skylles ud, og for nylig DMG-serien med shampoo og serum.
Producenten lover ikke, at tabt hår vokser ud igen. Budskabet er i store træk, at shampooen styrker hårrødderne og forebygger arveligt hårtab; ifølge producenten kan koffein påvises i hårroden efter omkring 120 sekunders virketid.
Koffein mod hårtab: hvad studierne viser
Grundlaget er et laboratoriestudie fra universitetet i Jena fra 2007: Hårrødder fra 14 mænd med arveligt hårtab blev dyrket i laboratoriet med testosteron og koffein. Med koffein voksede hårskaftet længere – også efter kontakt med testosteron. Det er et interessant fingerpeg, men netop et laboratorieforsøg, ikke et forsøg på hovedbunden.
Et senere studie med 210 mænd sammenlignede en koffein-liquid (0,2 %, to gange dagligt, uden udskylning) over seks måneder med minoxidil 5 % og fandt lignende resultater. To forbehold: Det var en liquid, der blev undersøgt, ikke en shampoo – og studiet var finansieret af Alpecins producent.
For selve shampooen står spørgsmålet derfor tilbage: Hvor meget koffein når faktisk frem på to minutter? Det er efter vores mening netop dens største svaghed: Det, der skylles ud efter vasken, kan ikke virke videre.
Alpecin DMG: hvad er nyt
Med DMG (dimethylglycin) og koffein har producenten præsenteret et nyt aktivkompleks – som Alpecin til mænd og Plantur til kvinder. Producenten henviser til studier med shampooen sammenlignet med en placeboshampoo over seks måneder (154 mænd og 63 kvinder): mindre hårtab hos omkring ni ud af ti deltagere, men tættere hår kun i en undergruppe på 30. Dertil findes et serum, der påføres uden at skylles ud. For os er DMG den mest interessante nyhed på hylden hos materialisten.
Indholdsstoffer og tolerance
Ud over koffein indeholder C1 klassiske tensider som natriumlaurethsulfat, desuden zink-PCA, niacinamid, panthenol, mentol og parfume. De fleste tåler det fint. Ved følsom hovedbund kan parfume og mentol give kløe eller rødme – lad den så virke kortere, eller skift til en mildere shampoo.
Godt: behagelig at bruge, passer ind i enhver brusenische, frisk effekt fra mentol.
Godt: let at få fat i og billig sammenlignet med serummer.
Værd at overveje: kun omkring to minutter i hovedbunden, derefter skylles den ud.
Værd at overveje: ifølge forhandleren kun testet på mænd; til kvinder findes Plantur.
Vores vurdering og alternativer
1
Når shampoo ikke er nok
LADUTI Hair Serum
I stedet for to minutter under bruseren bliver dette serum i hovedbunden hele natten. Det kombinerer de undersøgte aktivstoffer AnaGain™ og Procapil™, indeholder hverken minoxidil eller hormoner og er beregnet til kvinder og mænd. I vores sammenligning af midler til hårvækst ligger det på førstepladsen.
Fordele
Virker natten over i hovedbunden
Uden minoxidil, uden hormoner
Til kvinder og mænd
Værd at vide
Studier af de enkelte aktivstoffer, ikke af det færdige serum
Shampoo og serum med DMG og koffein, til mænd (Alpecin) og kvinder (Plantur). Producenten henviser til studier sammenlignet med en placeboshampoo over seks måneder – med mindre hårtab hos omkring ni ud af ti deltagere.
Fordele
Undersøgt af producenten mod placebo
Serum, der ikke skal skylles ud
Værd at vide
Tættere hår kun i en lille undergruppe
Primært undersøgt som shampoo
3
Som supplement til hårvasken
Alpecin Caffeine Shampoo C1
Originalen: en ukompliceret shampoo til mænd, der uden problemer passer ind i den daglige rutine. Som eneste middel mod hår, der bliver tyndere, er den for kort tid i hovedbunden efter vores mening.
Det lover ikke engang producenten. Koffein viser i laboratoriet en positiv effekt på hårrødder; om to minutters virketid med shampoo er nok til det, er ikke veldokumenteret. Som supplement skader det ikke – som eneste middel er det for lidt efter vores mening.
Hvor længe skal man bruge Alpecin?
Producenten anbefaler daglig brug i flere måneder. Hår vokser langsomt: Under tre måneder kan man ikke seriøst vurdere noget middel mod hårtab.
Hjælper Alpecin også kvinder?
Caffeine Shampoo C1 er beregnet til mænd og ifølge forhandleren kun testet på mænd. Til kvinder tilbyder samme producent Plantur 39 og Plantur DMG. Læs mere i vores artikel om hårtab hos kvinder.
Har Alpecin bivirkninger?
Som regel tåles det godt. Ved følsom hovedbund kan parfume eller mentol give kløe eller rødme. Gør så virketiden kortere, eller vælg en mildere shampoo.
Vi er frisører, ikke læger. Oplysninger ifølge producent, forhandler og offentliggjorte studier, oktober 2026. Ved pludseligt eller kraftigt hårtab bør du få årsagen undersøgt hos en læge.
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