What does Deer umbilical mesenchymal stem cell exosomes do?

Used in cosmetics as a skin-conditioning agent, a hair conditioner and a skin protectant. Deer Umbilical Mesenchymal Stem Cell Exosomes are the exosomes secreted into the conditioned media by deer (Rusa unicolor) umbilical mesenchymal stem cells.

Is Deer umbilical mesenchymal stem cell exosomes safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty

Deer umbilical mesenchymal stem cell exosomes

Concern score

Not assessed — no hazard data yet.

Deer umbilical mesenchymal stem cell exosomes in plain language

What it does: Used in cosmetics as a skin-conditioning agent, a hair conditioner and a skin protectant. Deer Umbilical Mesenchymal Stem Cell Exosomes are the exosomes secreted into the conditioned media by deer (Rusa unicolor) umbilical mesenchymal stem cells.
Skin conditioning
Hair conditioning
Skin protecting
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Deer umbilical mesenchymal stem cell exosomes appears in these published regulatory listings.

EUCosIngActiveDeer Umbilical Mesenchymal Stem Cell Exosomes are the exosomes secreted into the conditioned media by deer (Rusa unicolor) umbilical mesenchymal stem cells. Restriction: Please consider whether entry 419 of Annex II to the Cosmetics Regulation 1223/2009 is applicable. According to entry 419, category 1 material and Category 2 material as defined in Articles 4 and 5 respectively of Regulation (EC) No 1774/2002, and ingredients derived therefrom are prohibited in cosmetics products. Regulation (EC) No 1774/2002 has been repealed and replaced by Regulation No. 1069/2009. For Category 1 and 2 materials in Regulation No. 1069/2009, please see Article 8 and 9, respectively.
- Deer Umbilical Mesenchymal Stem Cell Exosomes are the exosomes secreted into the conditioned media by deer (Rusa unicolor) umbilical mesenchymal stem cells. Restriction: Please consider whether entry 419 of Annex II to the Cosmetics Regulation 1223/2009 is applicable. According to entry 419, category 1 material and Category 2 material as defined in Articles 4 and 5 respectively of Regulation (EC) No 1774/2002, and ingredients derived therefrom are prohibited in cosmetics products. Regulation (EC) No 1774/2002 has been repealed and replaced by Regulation No. 1069/2009. For Category 1 and 2 materials in Regulation No. 1069/2009, please see Article 8 and 9, respectively.Source →

Expert safety opinions

No expert opinion on file for Deer umbilical mesenchymal stem cell exosomes. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Deer umbilical mesenchymal stem cell exosomes yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

CosIng
regulatory · updated 2026-09-23
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Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.