Caffeine Penetration into Hair Follicles
Research investigated the penetration of caffeine from Plantur 39 shampoo into the hair follicles.
Charité Berlin
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STUDIES
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Scientific Research on Plantur 39
Selected scientific studies on Plantur 39 caffeine-based hair care.
Plantur 39 Phyto-Caffeine Tonic Study
An observational study examined the use of Plantur 39 Phyto-Caffeine Tonic over four months.
University of Jena
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Caffeine Shampoo & Female Hair Loss
A randomized, controlled double-blind study with 140 women investigated Plantur 39 shampoo over six months.
Catholic University, Rome
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Source: Plantur 39 / Dr. Wolff Research
FAQ
Frequently Asked Questions about Plantur
Quick answers about Plantur 39, Plantur 21 and caffeine hair care.
What is the difference between Plantur 39 and Plantur 21?
Plantur 39 is designed for the hair and scalp needs of women from around age 40, particularly during and after menopause. Plantur 21 is developed for younger women and focuses on supporting longer, stronger-looking hair.
What is Plantur 39 Phyto-Caffeine?
Plantur 39 combines caffeine with selected active ingredients in hair care products developed for women over 40. The range includes shampoos, conditioners and a Phyto-Caffeine Tonic.
How long should Plantur 39 Caffeine Shampoo be left on?
Plantur recommends leaving the shampoo on the scalp for approximately two minutes before rinsing to allow the caffeine complex to reach the hair follicles.
How do I use Plantur 39 Phyto-Caffeine Tonic?
Apply the tonic directly to the scalp once daily and massage it in. Do not rinse. It can be used independently of normal hair washing.
Can Plantur 39 be used on colored hair?
Yes. Plantur 39 offers products specifically developed for colored and stressed hair, including its Phyto-Caffeine Shampoo and conditioner for colored hair.