Supplement FAQ
Alpecin shampoo side effects
Quick answer
Scalp tolerance depends on the complete Alpecin C1 formula, not just caffeine. Stop using a product that causes irritation and check the ingredient list for known sensitivities.
Label check
These are the details saved in our product record. Compare them with the package you have; formulas and directions can change.
- Product
- Caffeine Shampoo C1
- Form
- Shampoo
- Recorded serving
- Topical use
- Recorded active amount
- Caffeine complex
- Label record date
- 2026-08-09
- Active ingredient strength and product format
- Inactive ingredients that may irritate the scalp
- Use directions, contact time, and pregnancy or heart-related cautions
- When shedding, rash, or sudden hair loss needs medical review
Safety and when to get advice
- Digestive discomfort or intolerance can occur depending on ingredient and user context.
- Screen relevant medications before use.
- Check active ingredient source, capsule, softgel, flavor, and excipient details.
What the evidence can tell you
A product label describes ingredients and directions; it does not prove that the finished product has the same effects as an ingredient studied in a clinical trial. The record date above is not a claim that the label was checked today.