Winner of the 2024 Aestheticians' Choice Awards - Best Stem Cell Serum


This is the most clinically proven and technologically advanced growth factor serum by utilizing patented methods to feed stem cells and fibroblasts which replenish the skin's shortage of growth factors and proteins. This improves all aspects of aging and damage by encouraging the skin’s repair process and stimulating new cell development for youthful skin.


  • Comprehensive skin remodeling with exosome technology
  • Empowers glowing and rejuvenated skin

This product is also available in a clinical strength formula.

Contact an Osmosis Professional to purchase StemFactor MD from our MD Advanced Collection.

Use: Apply 1-2 pumps on clean skin in the morning and evening. Follow with additional serum(s) and moisturizer if needed.

Pro Tip: Apply excess product to the back of your hands to keep them soft and youthful.

Water, Human Stem Cell Conditioned Media, Human Fibroblast Conditioned Media, Hamamelis Virginiana (Witch Hazel) Bark/Leaf/Twig Extract, Hydroxyethylcellulose, Phosphatidylcholine, Citrus Medica Limonum (Lemon) Peel Oil, Dehydroacetic Acid, Benzyl Alcohol. 

Color may change or vary naturally over time. This does not reduce the efficacy of the product. This ingredient list is subject to change; please refer to product packaging for the most up-to-date ingredient list. Chirally correct ingredients used where possible.

Customer Reviews

Based on 10 reviews
Rebecca L.
Love this product!

I am really impressed with this product. Haven’t had it long but goes on beautifully and doesn’t bother my eyes ( very sensitive to products)!!

Thank you so much for your fantastic 5-star review of StemFactor! We're thrilled to hear that you're loving the product and that it goes on beautifully without bothering your sensitive eyes. It's great to know that StemFactor is working well for you. If you have any other feedback or questions, please don't hesitate to reach out. We're here to help and look forward to continuing to support your skincare journey!

Elaine R.
Stem Factor is a great product

Stem factor goes on very smoothly and a little goes a long way. So glad I found this product.

Thanks for your review, Elaine! We are so glad you are loving StemFactor as much as we do, and you're correct in that a little does really go a long way :) Have a great day!

Pam B.


Wow! We absolutely love hearing you rave about StemFactor! Thanks so much for the 5-star review!

lisa m.

Love the stem factor it really well well

We love how much you love Stemfactor. It's always rewarding to hear positive experiences. Thanks for your review!

Stanley B.
Wow! Skeptical at first, now a strong supporter!

I don't write reviews on a regular basis, in fact I almost never write them. However the skin, being our largest organ and its health being of great importance to me led me to write this. My esthetician highly recommended Osmosis Stemfactor to me and after using it for a month I clearly notice a tremendous change (for the better) in my skin on my face and neck. Was I initially skeptical? Yes, definitely. But I am a serious and first-person believer now. Stemfactor really and truly works. Thank you!


Love this


Love this stuff !! ♥️

Isabel S.
Great results, will buy again. And again.

My esthetician recommended that I replace what I was using with Growth Factor Serum and she was right. Three months later and I'm here buying two more. One for myself and one for my sister. My skin looks younger and smoother.
Highly recommend!

Love this!

I've tried a few other growth factor serums out there. This is the best one. The skincare cocktail I use is A.M. Stemfactor, The New Formation of Rescue, Catalyst AC-11 and a small dot of Renew (since I just started it having finished Correct)

I love how all of Osmosis Products are so well thought out. They are meant to transform your skin permanently. I will never be without Stem Factor.

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