Is Porphyra-334 vegetarian?
Porphyra-334
Vegetarian
Vegetarian
Vegan
Vegan
Porphyra-334 is a mycosporine-like amino acid (MAA), a small UV-absorbing secondary metabolite originally isolated from the red alga Porphyra, used in cosmetics for its natural photoprotective properties.
| Also known as | L-Threonine, N-[(5S)-3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-, [N(E)]- |
|---|---|
| INCI name | Porphyra-334 |
| CAS number | 70579-26-9 |
| CosIng ID | 91521 |
| Last reviewed | 4 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.
