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Series 1

Season 1: Questions from the Community

Dr. Manfred Groeppel and Prof. Dr. Alexander Steinkasserer answer real questions from the 8T3 community in the first season. No simplified answers, no marketing. The videos cover practical application questions as well as more complex topics: pre-existing conditions, combinations with other products, and the biological limits of the serum. Anyone who wants to know what 8T3 can do and where it stops will find clear answers here.
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Overview

Series videos

All available videos in this series.

Where Can 8T3 Be Effective?
01:03
Series 1 25.05.2026 Active Ingredient & Mechanism of Action

Where Can 8T3 Be Effective?

The 8T3 Essentials Hair Serum has been tested on multiple volunteers and works on receding hairlines, the tonsure, and both localized and diffuse hair loss. First results are realistic within 3 to 4 months.

EXPERTS Prof. Dr. Alexander Steinkasserer
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Hair Follicles, Growth & Limitations
01:27
Series 1 25.05.2026 Active Ingredient & Mechanism of Action

Hair Follicles, Growth & Limitations

The 8T3 Essentials Hair Serum stabilizes existing hair and can reactivate miniaturized follicles. Lab results show that even a smooth, hairless scalp may still contain follicles capable of producing new hair.

EXPERTS Prof. Dr. Alexander Steinkasserer
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Application, Time & Patience
01:23
Series 1 25.05.2026 Application

Application, Time & Patience

Patience is a real part of using the 8T3 Essentials Hair Serum. Experts recommend at least 6 months and explain what to realistically expect at 3, 6, and 12 months.

EXPERTS Prof. Dr. Alexander Steinkasserer, Dr. Manfred Groeppel
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Pre-Existing Conditions & Sensitive Situations
01:42
Series 1 25.05.2026 Safety & Tolerability

Pre-Existing Conditions & Sensitive Situations

The 8T3 Essentials Hair Serum can generally be used for all types of hair loss. For specific pre-existing conditions, experts recommend consulting a doctor before starting.

EXPERTS Prof. Dr. Alexander Steinkasserer, Dr. Manfred Groeppel
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Combinations & Existing Routines
01:36
Series 1 25.05.2026 Application

Combinations & Existing Routines

The 8T3 Essentials Hair Serum fits alongside minoxidil, finasteride, and other topical products. Experts explain what works together and where timing makes the difference.

EXPERTS Prof. Dr. Alexander Steinkasserer, Dr. Manfred Groeppel
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Practical Application
00:53
Series 1 25.05.2026 Application

Practical Application

How much serum is needed, how is it applied correctly, and can it be used with hair fibers or hairspray? The key practical questions about the 8T3 Essentials Hair Serum, answered directly.

EXPERTS Dr. Manfred Groeppel
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