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Moumoujus

HUMAN EMBRYONIC STEM CELL CONDITIONED MEDIA.

Avoid CAS - / HUMECTANT, SKIN CONDITIONING

Human Embryonic Stem Cell Conditioned Media (hESC-CM) is a complex solution derived from the culture of human embryonic stem cells, containing a diverse array of growth factors, cytokines, and exosomes. While theoretically promising for advanced skin regeneration and repair, direct clinical efficacy data specifically for hESC-CM in skincare is scarce, with most available research referencing adult stem cell-derived conditioned media.

Summary

humectant skin conditioning skin protection anti-aging skin regeneration brightening wound healing support collagen synthesis booster elastin synthesis booster hyaluronic acid synthesis booster anti-inflammatory antioxidant

Science

Mechanism of Action

This conditioned media functions as a sophisticated intercellular messenger system, delivering a multitude of bioactive components such as EGF, bFGF, TGF-β, PDGF, HGF, VEGF, IGF, cytokines, and exosomes. These agents collectively stimulate cellular activation, support tissue repair, and promote essential processes like cell division and new cell growth. By encouraging the synthesis of crucial extracellular matrix components like collagen, elastin, and hyaluronic acid, it aims to enhance skin elasticity and maintain a youthful appearance. Furthermore, it is hypothesized to aid in skin regeneration, bolster immune responses, support wound healing, reduce hyperpigmentation, combat oxidative stress, prevent premature cell death, regulate inflammatory pathways, and diminish the appearance of wrinkles.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A 5% concentration of adipose-derived stem cell conditioned media (ADSC-CM) significantly enhanced skin hydration, reduced transepidermal water loss, visibly improved skin whitening, diminished eye wrinkles, and smoothed skin texture.
  2. 02 Mesenchymal stromal cell-derived conditioned medium demonstrated a protective effect against UVB-induced DNA damage in human primary cells, showing a 42% decrease in CPD formation at 0.5% concentration, which was more pronounced than the 23% decrease observed at 1%.
  3. 03 Umbilical cord blood-derived mesenchymal stem cell conditioned media (UCB-MSC-CM) improved skin barrier function and mitigated inflammatory responses in individuals with sensitive skin following non-ablative fractional laser treatments.

Transparency

Dusting Analysis

Not commonly dusted

There is no available data to suggest this ingredient is commonly dusted in formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 7.2 – 7.4
0 7 14

Stability

Optimal stability and biological activity for conditioned media derived from human pluripotent stem cells require precise pH control, ideally within the physiological range of 7.2-7.4, as acidification below 7.0 can impair cellular metabolism. The media necessitates low storage temperatures and relatively short storage durations to maintain its active components. Filter-sterilization (e.g., using a 0.22 μm filter) is a standard preparation procedure to ensure purity.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Formal safety assessments for Human Embryonic Stem Cell Conditioned Media by regulatory bodies such as CIR or SCCS are currently unavailable. The broader category of 'Human Stem Cell Conditioned Media' is classified as 'Forbidden in Europe' according to INCI Beauty. The ingredient 'HUMAN UMBILICAL MESENCHYMAL STEM CELL CONDITIONED MEDIA' is listed under regulatory provision II/416 by CosIng, indicating restrictions. The FDA regulates stem cell-based products, including conditioned media, as biologics or HCT/Ps, demanding rigorous oversight for safety, efficacy, and quality. Products must be free from infectious agents. Challenges exist in testing methodologies, and a lack of specific cosmetic regulations in some countries contributes to variable product content. There is potential for hypersensitivity reactions attributable to components within the culture media. The long-term safety profile and effects of using embryonic stem cell conditioned media in cosmetics remain largely undefined.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Due to the absence of specific clinical data for Human Embryonic Stem Cell Conditioned Media, significant global regulatory restrictions, and unestablished long-term safety, its use in precision skincare is highly questionable and warrants avoidance.

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