South Korea Cosmetic Allergen

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Regulatory Change

From the 1st January 2020, the newly named South Korean Regulation on Standards for Marking Cosmetics Usage Precautions and Fragrance Allergens, requires all cosmetic products to label the presence of 25 known allergenic substances, when concentrations in the finished formula exceeds certain thresholds.

The 25 Fragrance Allergens

No. INCI Name(1) CAS Number
1 Amyl Cinnamal 122-40-7
2 Benzyl Alcohol 100-51-6
3 Cinnamyl Alcohol 104-54-1
4 Citral 5392-40-5
5 Eugenol 97-53-0
6 Hydroxycitronellal 107-75-5
6 Isoeugenol 97-54-1
8 Amyl Cinnamal Alcohol 101-85-9
9 Benzyl Salicylate 118-58-1
10 Cinnamal 104-55-2
11 Coumarin 91-64-5
12 Geraniol 106-24-1
13 Anise Alcohol 105-13-5
14 Benzyl Cinnamate 103-41-3
15 Farnesol 4602-84-0
16 Butylphenyl Methypropional 80-54-6
17 Linalool 78-70-6
18 Benzyl Benzoate 120-51-4
19 Citronellol 106-22-9
20 Hexyl Cinnamal 101-86-0
21 Limonene 5989-27-5
22 Methyl 2-Octynoate 111-12-6
23 Alpha-Isomethyl lonone 127-51-5
24 Evernia Prunastri (Oakmoss) Extract 90028-68-5
25 Evernia Furfuracea (Treemoss) Extract 90028-67-4

(1) labelling will have to utilise Korean INCI Names as listed in the Regulation

What if a product contains these?

If one of the 25 substances listed above is present in the finished product formula, they are to appear on the product label, when:

  • The concentration exceeds 0.01% in a rinse-off product,
  • The concentration exceeds 0.001% in a leave-on product.

Note: If an allergen is present in various ingredients with the product, the total concentration must be calculated to verify the threshold and labelling requirements detailed above.

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