The Longevity
Collection
At Doctor Mi, longevity doesn't mean anti-aging – it means understanding and slowing down cellular aging. The new Longevity Line protects the cellular foundation of your skin: mitochondria, telomeres, barrier function, and DNA repair. It is the foundation that truly allows retinol to work.
Why longevity before retinol?
Retinol visibly transforms the skin – accelerating cell turnover, smoothing wrinkles, and improving complexion. But for retinol to work optimally, the skin needs a stable cellular foundation. This is precisely what the Longevity Line provides. It works at a level we cannot see: mitochondrial energy (NAD⁺), DNA repair (PDRN), cell communication (exosomes), and telomere protection. Skin that is healthy at the cellular level tolerates retinol better, regenerates faster, and shows better long-term results.
Dr. Miriam Rehbein
Dermatologist – Founder of DOCTOR MI
The Doctor Mi Principle
Longevity Line = foundation & daily protection
Retinol Collection = visible transformation
Together, they form the complete skincare program.
An overview of the 3 longevity products
Soon
The Longevity Cream
The daily basic care of the Longevity Line. Protects the barrier, provides deep hydration, and delivers an immediately visible firming effect with the INSTANT LIFT COMPLEX. Can be used morning and evening – ideal as a foundation for the Retinol Collection.
Soon
The Longevity Elixir
Specially formulated for the thinnest and most delicate skin on the face: the eye area. Combines cellular energy (exosomes + NAD⁺) with targeted microcirculation support and an instant blurring effect for visibly fresher eyes.
Soon
The Longevity Eye Cream
The most concentrated product in the Longevity Line. Featuring PDRN Skin Booster and NAD⁺ activator, the Elixir works directly at the DNA level: telomere protection, mitochondrial regeneration, and cell communication. Use as an evening boost or as an intensive treatment.
TECMi® EXOSOMEN
Unterstützen die Zellkommunikation, stärken die Hautbarriere und fördern Feuchtigkeit, Elastizität und Hautdichte
PDRN SKIN BOOSTER
Aktiviert die Zellreparatur, fördert Kollagenbildung für strafferes Hautbild
NAD+ ACTIVATOR
Aktiviert die Zellenergie, unterstützt Regeneration & Anti-Aging
TECMi® HYALURON
Schutzfilm auf der Oberfläche, speichert Feuchtigkeit in oberen Hautschichten
PLASMA BOOST PEPTIDES
Unterstützen Kollagenaufbau und verbessern Spannkraft & Hautstruktur
Longevity Line in your skincare routine
Beginner Protocol: Start exclusively with the Longevity Line for 4–6 weeks – without retinol. Once your skin feels stable, soft, and tolerant, gradually introduce retinol. Even without retinol, the Longevity Line is a complete, effective program.
Mornings
“I am a doctor, a mother of four, and an entrepreneur – and I don’t experience aging as an abstract beauty topic, but every day in my own body: sleep deprivation, stress, hormonal changes, silent inflammation.
The Doctor Mi! Skin Longevity Program was born out of this personal reality. My goal is the pursuit of verifiable efficacy and a clear, medically sound approach to skin health.”
Science. Integrity. Results.
Developed by Dr. med. Miriam Rehbein, validated by visible results on real skin.
Research, formulation, and production in Germany.
Medically sound active ingredients in effective, study-based concentrations.
Active-Only formula with a focus on efficacy and skin compatibility.
Continuously improved formulas, based on the latest research and clinical feedback.