- beauty
- industrial
- pharma
Methyl aminolevulinate hydrochloride
CAS 79416-27-6
Concern score
Not assessed — no hazard data yet.
Methyl aminolevulinate hydrochloride in plain language
On cosmetic ingredient lists it appears as “Methyl aminolevulinate hcl”.
Also known as Methyl aminolevulinate hcl · Methylaminolevulinate hydrochloride · METHYL-5-AMINOLEVULINATE hydrochloride · Methyl 5-amino-4-oxopentanoate--hydrogen chloride (1/1) · Pentanoic acid, 5-AMINO-4-OXO-, methyl ester, hydrochloride · methyl 5-amino-4-oxopentanoate;hydrochloride
Show all 18 names
5-Aminolevulinic acid methyl ester hydrochloride · 5-methoxy-2,5-dioxopentan-1-aminium chloride · Methyl 5-aminolevulinate hydrochloride · Metvix PDT · Metvixia · P 1212 · P-1202 · UNII-7S73606O1A · methyl 5-amino-4-oxopentanoate hydrochloride · methyl 5-amino-4-oxovalerate HCl · methyl 5-amino-4-oxovalerate hydrochloride · methyl 5-aminolevulinate HCl
Used in cosmetics as an antimicrobial, an antioxidant and a skin protectant.
- Antimicrobial
- Antioxidant
- Skin protecting
- Humectant
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Methyl aminolevulinate hydrochloride appears in these published regulatory listings.
- In marketed US drugs
- Found in consumer products
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Biocide, Antioxidant, Humectant.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Biocide, Antioxidant, Humectant.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 2 active drug products and 2 total products.
- FDA NDC lists this ingredient in 2 active drug products and 2 total 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 Methyl aminolevulinate hydrochloride. 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 Methyl aminolevulinate hydrochloride yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated 2019-12-20
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA National Drug Code Directory
regulatory · updated 2027-12-31
- 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
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
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 FDA National Drug Code directory has listed Methyl aminolevulinate hydrochloride in a product composition. These are source records, not Greenveil catalog products.
Source records
2
Typical roles
AntimicrobialAntioxidantSkin protectingHumectant