Alpecin C1 Caffeine Shampoo for Men, 12.68 fl oz — Daily Cleanse with Zinc & Niacin for Fuller-Looking Hair

Alpecin C1 Caffeine Shampoo is a daily men's shampoo formulated with caffeine, zinc and niacin to cleanse the scalp and support naturally fuller-looking hair.

This German-engineered formula is designed as a routine shampoo that removes dirt, sebum and product buildup while delivering caffeine and supporting ingredients to the scalp. It’s intended for men who want a stronger-feeling, thicker-looking head of hair without changing their daily grooming habits. The lightweight texture rinses out easily and the 12.68 fl oz bottle supports long-term use.

How does Alpecin C1 fit into my daily grooming routine?

Use Alpecin C1 as your regular shampoo every time you wash your hair—morning or evening. Lather, leave on briefly, then rinse to let caffeine and supporting actives reach the scalp between hair roots.

• Apply to wet hair, massage into scalp for 30–60 seconds.
• Rinse thoroughly; follow with conditioner if needed.
• Suitable for everyday use and normal-to-oily scalps.

What are the key ingredients and what do they do?

The primary actives in this shampoo are caffeine plus zinc and niacin, combined with castor oil in a cleansing base. These ingredients work together to remove residues and leave strands feeling recharged and resilient.

• Caffeine: delivered topically in the rinse formula to reach the scalp during washing.
• Zinc & niacin: support scalp health and help hair feel thicker and stronger.
• Castor oil: provides conditioning support so hair looks fuller and more manageable.

Will the shampoo change my hair texture or color?

Alpecin C1 is a cleansing formula that won’t dye or chemically alter hair structure. It leaves hair feeling cleaner and fuller without adding heavy residues or obvious stiffness.

• Non-coloring: preserves natural hair color.
• Lightweight finish: avoids heavy buildup that can weigh hair down.
• Compatible with styling products and post-wash routines.

How long before I notice a difference?

Individual results vary; many users report improved scalp freshness and a thicker texture after several weeks of consistent daily use. Optimal benefits come from incorporating the shampoo into a regular hair-care routine.

• Initial improvements: cleaner scalp and lighter, fuller feeling within days.
• Textural changes: noticeable fullness or strength over weeks with routine use.
• For best results: use as directed and avoid overwashing.

Who is this for: Alpecin C1 Caffeine Shampoo is aimed at men seeking a straightforward, science-backed cleansing shampoo that supports visually fuller hair and a healthier-feeling scalp. It suits those who prefer a low-effort, daily product developed with German research heritage and who want to maintain their normal styling habits while addressing thinning or fine hair concerns.

Ingredients

Water, Sodium Laureth Sulfate, Laureth-2, Disodium Laureth Sulfosuccinate, Sodium Chloride, Sodium Lauroyl Glutamate, Caffeine, Panthenol, PEG-120 Methyl Glucose Dioleate, Hydrolyzed Wheat Protein, Citric Acid, Sodium Citrate, Propylene Glycol, Menthol, PEG-40 Hydrogenated Castor Oil, Polyquaternium- 7, Disodium EDTA, Zinc PCA, Niacinamide, Tocopherol, Vegetable Oil, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Fragance, Limonene, Blue 1, Ext. Violet 2.