PeniMaster®: clinically proven medical product for the enlargement, thickening and straightening of the penis.



PeniMaster® and PeniMaster®PRO

are medical expanders (extenders) that stretch the penis in a physiologically proper way over a long period of time. This method of tissue stimulation can, for example, be successfully used for the corrective enlargement and straightening of any man’s penis, by people suffering from Peyronie’s disease or for penis therapy before and after operations (e.g. removal of the prostate).

PeniMaster PRO can be used overnight (read more).

Proof of performance in the video: 7.6 kg pulling force* on the penis with PeniMaster PRO.
*For physiological and safety reasons, we recommend using a pulling force of up to approx. 1200 grams if the extender is used regularly!

Fields of application of PeniMaster® and PeniMaster®PRO

  • penis elongation
  • more penis circumference
  • enlargement of the glans
  • straightening of curvatures
  • improvement of the erection
  • therapeutic fields of application

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Product Overview PeniMaster® and PeniMaster®PRO

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The physiological mode of operation of PeniMaster® and PeniMaster®PRO for penis enlargement

A body part increases in size or changes its shape by means of the formation of new body cells within the part. Regarding the male genitals this natural procedure ends at the age of 20 at the latest. If the penis is to become larger or straighter afterwards ...

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Studies and medical reports

Renowned urologists and medical specialists report on their experiences with PeniMaster PRO, for what penile problems the product is used and which results can be achieved as a result. You will also find studies and case studies on PeniMaster PRO here.

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Surveys on the topic penis

The following online surveys show data and opinions related to questions most commonly asked about the penis.

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About us

MSP Concept is a small business headquartered in Berlin, Germany, focusing on the development, production, and marketing of urologic products and medical products.

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