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This exclusive formula contains Biodynes TRF (Tissue Respiratory Factor) to support skin health and encourage collagen and elastin, while fennel peroxysome reduces inflammation and serves as a powerful antioxidant to fight free radicals. Hyaluronic acid provides a light hydration for the skin.


Cruelty Free | Fragrance Free | Mineral Oil Free
Noncomedogenic | Paraben Free | Water based


How to Use

Apply generously twice daily to face, neck, and décolleté after using CLEANSE, EXFOLIATE and TONE.


What’s Inside

Aqua (Water), Glycerin, PEG-100, Foeniculum Vulgare (Fennel) Fruit Extract, Phospholipids, Saccharomyces Lysate Extract, Hyaluronic Acid, Polysorbate-20, Phenoxyethanol, Capryl Glycol, Ethylhexylglycerin, Hexylene Glycol, Proprietary Essential Oil Blend


Bio-Therapeutic products and equipment are not intended to treat or diagnose any medical conditions.

Customer Reviews
5 Based on 5 Reviews
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janie g.
United States United States
Makes me look good!

I know this says use twice daily but I've noticed it working well with even just using it at night. I don't understand a lot about skincare but this makes me look good so I use it!

janie g verified customer review of SERUM
United States United States
Great for maintenance

This is my favorite serum of the five million I own. I feel like it's such a go to that's great to improve overall skin quality. I'm at a point in my life where my skin is 'stable' enough that I'm not reaching for many cures to specific concerns, I'm more interested in maintaining my skin at the place it is. This serum (among some other tried and true BT products - hey sonic!) is one I love to use at night just to keep everything looking it's best.

Diane K.
United States United States

Such a staple. One of a few products I've emptied and repurchased. I can't go without having this in my bathroom - it really is the only serum I feel I need. Helps clear things up and boost my skins elasticity.

Maddy D.
United States United States

I don't feel particularly different right after I put it on but the next morning I look and feel incredible! I don't know a ton about skincare and mostly just use what my sister tells me to (i got this at her recommendation) but I would describe it as my skin feeling plumper and softer and looking more even. Not sure what makes all that happen but I use this every night now.

Kris C.
Serum Convert!

I never understood why people were into serums until this one! Was recommended it by a friend and she couldn't have been more right - this is the best new addition to my bathroom shelf. I use it as instructed and feel so much more moisturized. Can't wait to use it through the winter!