All posts in Growth Factors


Inflamm’aging: a Unifying Theory of Life, Death, Aging, and Beauty

Inflammation (Latin, īnflammō, “I ignite, set alight”) is part of the complex biological response within tissues to harmful things, such as infectious agents (bacteria, viruses, etc), damaged cells, or irritants […]

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Cytokine Cocktails & Stem Cell Factories (Part 3 of a Series)

In this series, we are focusing on the role cytokines play in skin healing and regeneration. In part 2 we began compiling  a compendium of key cytokines, and examined them […]


Cytokines in Healing and Rejuvenation (Part 2 of a Series)

Cytokines are small “signaling” proteins with molecular weights ranging from 8 to 40,000 daltons.  Nearly all nucleated cells are capable of synthesizing these proteins and, in turn, responding to them. […]

A Cytokine Network

Cytokines in Dermal Regenerative Medicine (Part 1 of a Series)

Research into cytokines, and their roles in health and disease, is booming.  This is true across the spectrum of organ systems, including our favorite – skin.  Our work with stem […]

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Lifeline: Reviewed and Sold Short. (An anti-aging approach to avoiding penny stock ruin) UPDATED & REVISED

You are thinking “I thought this was a skin care science site; why are you telling me about financials of penny stocks when I want to hear about wrinkle creams?” […]

Our Philosophy

Truth matters. Cytokines Line by NaturaBisse contains none.

Cytokines are the molecules that cells use to communicate with one another. They have a number of critical functions in maintaining health, and undoing damage, in skin and throughout the […]

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Stem Cells and Skin Care Series Premiere

Barefacedtruth launches its premiere series on stem cells in skin care.  We plan to cover a wide range of “ingredients” that claim stem cell science.  Some based in reality, others […]

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Controversy: Bioeffect EGF Serum

This is our first controversy, a carryover from a discussion that began on It deals with products that contain a single cytokine (epidermal growth factor) as an active ingredient. […]