What does 3-Hydroxypropionic acid do?

Used in cosmetics as a skin-conditioning agent.

Is 3-Hydroxypropionic acid safe?

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

beauty
industrial

3-Hydroxypropionic acid

CAS 25718-95-0

Also registered as 2 other CAS numbers

1111092-31-9 · 503-66-2

3-Hydroxypropionic acid chemical structure

Concern score

Not assessed — no hazard data yet.

3-Hydroxypropionic acid in plain language

What it is: Also known as Hydracrylic acid · 3-Hydroxypropanoic acid · .beta.-hydroxypropionic acid · 2-Deoxyglyceric acid · 3-HYDROXY-PROPANOIC acid · 3-Hydroxypropanoate
Show all 19 names
3-Hydroxypropionsaure · Ethylene lactic acid · Ethylenelactic acid · Glyceric acid, 2-deoxy- · Propanoic acid, 3-hydroxy- · Propionic acid, 3-hydroxy- · acide 3-hydroxypropionique · acido 3-hidroxipropionico · b-Hydroxypropionate · b-Hydroxypropionic acid · beta-Lactic acid · beta-hydroxypropionate · hydroxypropionic acid
What it does: Used in cosmetics as a skin-conditioning agent.
Skin conditioning
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 3-Hydroxypropionic acid appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActive3-Hydroxypropionic Acid is the organic acid that conforms to the formula:
- 3-Hydroxypropionic Acid is the organic acid that conforms to the formula:Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for 3-Hydroxypropionic acid. 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 3-Hydroxypropionic acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated 2020-08-31
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

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.

Where it has been recorded

How often EPA CPDat has listed 3-Hydroxypropionic acid in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

Skin conditioning

See products using 3-Hydroxypropionic acid →