4-coumaric acid is a coumaric acid in which the hydroxy substituent is located at C-4 of the phenyl ring.
How much products actually contain
No product states its amount yet.
Of the products containing it, 3 list it before the 1% line and 18 after it (usually 1% or less).
Products using this ingredient
12 of 21 confirmed · likeliest to carry enough first · See all 21
WISELYBHA Pore Serum
AriulAriul Green Vitamin C Toning Ampoule 15ml
AriulAriul Expert Gold Vitamin C13% Ampoule 15ml
ReturnityJob's Tears Pore Ampoule 40ml
NEOGENNeogen Next Clear Essence Toner 210ml
WISELYCalendula Herb Deep Cleansing Gel to Foam
BLITHEBubbling Splash Mask Indian Glacial Mud
medicubemedicube Zero Pore Cooling Mask
Biome ActivatePore Primer
GROUNDPLANMatcha Bubble to Gommage Foam
beplainMung Bean Pore Tight-Up Soothing Cream
LalachuuSlick Wear Primer
Definition
4-coumaric acid is a coumaric acid in which the hydroxy substituent is located at C-4 of the phenyl ring. It has a role as a plant metabolite. It is a conjugate acid of a 4-coumarate.
Source: PubChem
US FDA substance register · UNII IBS9D1EU3J · registered name P-COUMARIC ACID · single chemical substance
Cosmetic roles
Safety & regulatory references
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ヒドロキシケイヒ酸: 本品は、次の化学式で表される芳香族化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 25429-38-3
- CAS No.chemical registry number
- 7400-08-0
- EC No.EU chemical inventory number
- 210-000-0
- EC No.EU chemical inventory number
- 231-000-0
- DTXSIDUS EPA chemical ID
- DTXSID6064660
- DTXCIDUS EPA compound ID
- DTXCID1047605
- IUPAC
- 3-(4-Hydroxyphenyl)prop-2-enoic acid
- Molecular formula
- C9H8O3
- Molecular weight
- 164.16 g/mol
What products actually use it for
What the 3 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner3
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Category 6.3A (Category 2)
Skin Irritation · Read Across - SkinSens1
Skin Sensitization · QSAR Predicted - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
- Mitigation of ultraviolet‐induced erythema and inflammation by para‐hydroxycinnamic acid in human skin · 2024
- Para-Hydroxycinnamic Acid Mitigates Senescence and Inflammaging in Human Skin Models · 2024
- Electrospun polyvinylpyrrolidone (PVP) hydrogels containing hydroxycinnamic acid derivatives as potential wound dressings · 2021
- Clovamide, a Hydroxycinnamic Acid Amide, Is a Resistance Factor Against Phytophthora spp. in Theobroma cacao · 2020
- HYDROXYCINNAMIC ACID DERIVATIVES AND FLAVONOL PROFILES OF MAQUI (Aristotelia chilensis) FRUITS · 2016
Linked databases 15
- ChEBI 2
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata