Both
Function & Common Use
4
6-Tetrahydro-2-methyl-4-pyrimidinecarboxylic acid
No limit
Active (skin-protecting / anti-inflammatory)
Concentration Limits
None
None
No specific 21 CFR cosmetic limit identified in source checked; EU limit reference: None
No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category
Format restriction: No
Baby restriction: No limit
Pregnancy: No specific restriction identified in source checked; standard cosmetic use
Frequently Asked Questions
Is Ectoin safe to use in skincare?
Ectoin has a High concern rating. Both
Is Ectoin allowed in India?
Ectoin is currently classified as "Low" under Indian cosmetics regulations. The maximum permitted concentration is None.
What is Ectoin used for in cosmetics?
Ectoin functions as: 4. It is commonly found in: No limit.
Can Ectoin cause an allergic reaction?
Yes. Ectoin has an allergen flag (0.00). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.
Is Ectoin safe for babies?
Ectoin has baby/child restrictions: No limit. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: Biotechnological (bacterial fermentation)
Identifiers
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