Woman and man in a warm natural stone ambience

Black November

Your routine.
Your advantage.

Special set prices for your hair care.

Black November ends in

15Days 13Hours 54Minutes 43Seconds

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FIND YOUR CARE

What does your hair need?

Black November sets

Sets at special prices.

Save up to 40% versus regular individual prices

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EXPERIENCES FROM OUR COMMUNITY

What our customers say.

What our customers report about the application, the feeling of care and their routine.

KNOWLEDGE OF ACTIVE INGREDIENTS · REDENSYL®

The research behind your care.

Redensyl® is part of our circulation care. The manufacturer study provides insights into the active ingredient - a test lotion with 3% Redensyl® was examined.

The study explained
+17Hair per cm²*

Average hair density

Increase in the active ingredient group after 84 days compared to the initial value.

84Days

Daily use

Examination period of the test lotion with Redensyl®.

3 %Redensyl®

The test lotion examined

A care product that stays on the scalp without rinsing.

*Result of the manufacturer's study on the test lotion compared to the initial value. The study does not test finished KÖ-HAIR products; individual results may vary.

This is how the study was carried out

26 men took part in the randomized, double-blind study: 14 received the test lotion with 3% Redensyl®, 12 received a placebo lotion. It was used daily for 84 days, without rinsing. Hair density was measured using standardized photographs.

The manufacturer reports an average of 17 additional hairs per cm² for the active ingredient group after 84 days compared to the initial value. Source: Givaudan Active Beauty, Scientific File Redensyl®, Version 04, June 2018, pages 16-21.

Read original study (PDF)
Circulation Shampoo, Tonic and Serum Spray in the current packagingCIRCULATION · KÖ-HAIR

WHY KÖSMETIK?

From development to your hand.

Hair care with a clear thought: selected active ingredients, an understandable routine and the connection to the KÖ-HAIR clinic in Düsseldorf.

01Developed in Germany.

Circulation Shampoo and Serum Spray are developed in Germany and are dermatologically tested. Both are part of our targeted care for hair and scalp.

02Active ingredients with a task.

The shampoo contains 1% Redensyl®, the Serum Spray 3%. Cleansing and targeted scalp care complement each other as two steps in your routine. More about the active ingredient study.

03Packaging for your everyday life.

Shampoo in a bottle, serum as a spray and capsules in a can. You can find the respective application and dosage directly on the product.

Our circulation care

KÖ-HAIR · DÜSSELDORF

The experience behind your care.

On Düsseldorf's Königsallee, KÖ-HAIR is dedicated to hair and scalp. An insight into the rooms where personal advice and treatment have their place.

Edited recording of the KÖ-HAIR reception
01

Arrive.

The reception of the KÖ-HAIR clinic.

Edited recording of the KÖ-HAIR consultation room
02

Speak calmly.

Space for personal questions and advice.

Edited shot of the KÖ-HAIR treatment room
03

Get to know the clinic.

An insight into the treatment area.

Meet in person. Ask questions. Discuss the next step together.

Get to know the clinic
Hair analysis area of the KÖ-HAIR clinic with illustrative screen view

ON-SITE HAIR ANALYSIS · SCREEN SHOWS DEMO VIEW

YOUR HAIR ANALYSIS

Which care is right for you?

Answer a few questions about hair and scalp and discover suitable products for your routine.

Free. Does not replace a medical diagnosis.

Start your free hair analysis

KNOWLEDGE FOR YOUR CARE

Well informed. Consciously cared for.

Read all guides ↗

GOOD TO KNOW

Your questions. Answered briefly.

Which product is right for me?

Choose according to your care goals: Redensyl products for hair and scalp, scattered hair for optical thickening or gentle care after a hair transplant. The Hair analysis supports your orientation.

Do I have to take out a subscription?

No. For products with a subscription option, you can choose between a one-time purchase or a subscription. You can see the delivery interval and price directly on the product. More about the subscription.

How much are the shipping costs?

Within Germany, shipping is free for orders over €35. For other countries, the respective shipping conditions apply. View shipping and payment.

Where can I get personal support?

Our customer service helps with questions about products and orders. Contact us.

All customer reviews

All customer reviews