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A man with dark hair leans forward, presenting the back of his head as a symbol for the causes of hair loss.A man with dark hair leans forward, presenting the back of his head as a symbol for the causes of hair loss.

Causes of hair loss in men

Symptoms: Symptoms of hair loss

Schematic representation of the Hamilton-Norwood scale showing the different stages of hereditary hair loss in men
Hamilton-Norwood scale
  • Schematic representation of the hair growth cycle with growth phase, transition phase, and resting phase

    Growth cycle: The three-stage hair growth cycle

  • Schematic representation of a hair in the growth phase of the hair growth cycle.

    Phase 1: Anagen phase (growth phase)

  • Schematic representation of a hair that is no longer firmly anchored in the hair shaft, symbolising the transition phase in the hair growth cycle.

    Phase 2: Catagen phase (transition phase)

  • Schematic representation of two hairs, with one hair no longer firmly anchored in the hair shaft and the second hair falling out, symbolising the resting phase of the hair growth cycle.

    Phase 3: Telogen phase (resting phase)

Caffeine as hair loss prevention: 80 % of men with classic hair loss have hereditary hair loss.

Alpecin Caffeine Shampoos & Liquids

Other types of hair loss: Hair loss in focus

Guide: Recommended for you

  • A cross-sectional view of a hair follicle, highlighted in shades of brown and blue. Black arrows indicate specific dark regions within the follicle, suggesting areas of interest or focus for analysis.

    Why caffeine against hair loss?

  • A young man looks critically into the mirror to identify the first signs of hereditary hair loss

    Help with hereditary hair loss

  • A man stands in front of a mirror, critically examining his hairline, symbolizing why the caffeine in coffee does not stimulate hair growth

    The coffee myth: Why coffee doesn't work against hair loss

Product finder: Purely a matter of type: Find the ideal Alpecin for you