1 ingredient prohibited in EU rules.
Butylphenyl Methylpropional, Potassium Hydroxide| # | Ingredient (as listed) | KR Korea | EU EU | US U.S. |
|---|---|---|---|---|
| 1 | WATER | — | — | — |
| 2 | DIPROPYLENE GLYCOL | — | — | — |
| 3 | CETYL ETHYLHEXANOATE | — | — | — |
| 4 | GLYCERIN | — | — | — |
| 5 | POLYGLYCERYL-3 METHYLGLUCOSE DISTEARATE | — | — | — |
| 6 | DIMETHICONE | — | — | — |
| 7 | GLYCERYL STEARATE | — | — | — |
| 8 | PEG-100 STEARATE | — | — | — |
| 9 | BUTYLENE GLYCOL | — | — | — |
| 10 | PAEONIA SUFFRUTICOSA ROOT EXTRACT | — | — | — |
| 11 | CENTELLA ASIATICA EXTRACT | — | — | — |
| 12 | 1,2-HEXANEDIOL | — | — | — |
| 13 | CARBOMER | — | — | — |
| 14 | HYDROXYETHYLCELLULOSE | — | — | — |
| 15 | OLEA EUROPAEA (OLIVE) FRUIT EXTRACT | — | — | — |
| 16 | CHAMOMILLA RECUTITA (MATRICARIA) FLOWER EXTRACT | — | — | — |
| 17 | GLYCERYL CAPRYLATE | — | — | — |
| 18 | POTASSIUM HYDROXIDE | Restricted | Restricted · (a) 5% · (b) 2% · 4.5%… | — |
| 19 | ETHYLHEMYLGLYCERIN | — | — | — |
| 20 | GENTIANA LUTEA ROOT EXTRACT | — | — | — |
| 21 | ACHILLEA MILLEFOLUM EXTRACT | — | — | — |
| 22 | ARTEMISIA ABSINTHIUM EXTRACT | — | — | — |
| 23 | ARNICA MONTANA FLOWER EXTRACT | — | — | — |
| 24 | DISODIUM EDTA | — | — | — |
| 25 | FRAGRANCE/LINALOOL HEXYL CINNAMAL | — | — | — |
| 26 | BUTYLPHENYL METHYLPROPIONAL) | — | Prohibited | Banned in some U.S. states |
“—” means no specific record for that ingredient in that jurisdiction's lists — it is not an approval. Restricted ingredients are allowed within limits (concentration, product type, label warnings); a product listing one is not necessarily over the limit. How we check.
Ingredient list from Nature Republic official store, retrieved Oct 17, 2026. Formulas change — check the label on the package you buy.
None of the fragrance allergens the EU requires to be labelled appear in this ingredient list, but it lists “Fragrance/Parfum”, which can contain them below the labelling threshold.
Source: EU Cosmetics Regulation Annex III as amended by Regulation (EU) 2023/1545 — the list grew from 26 to over 80 entries; it applies to new products from 31 July 2026 and to all products from 31 July 2028. Shown for information; it is not a sign that a product is unsafe.
Ingredients in this formula that are prohibited or limited in other markets, from the overseas regulation database compiled by Korea's MFDS. Limited means allowed within conditions.
| Market | Prohibited | Limited |
|---|---|---|
| CN China | None found | Potassium Hydroxide |
| AS ASEAN (10 countries) | Butylphenyl Methylpropional | Potassium Hydroxide |
| JP Japan | None found | — |
| TW Taiwan | None found | Potassium Hydroxide |
| CA Canada | None found | Glycerin |
| BR Brazil | None found | Potassium Hydroxide |
| AR Argentina | None found | Potassium Hydroxide |
Products from other brands whose ingredient lists overlap most with this one. The score weighs the first ingredients most (labels list them roughly by amount), skips ingredients found in most products, and counts UV filters and less common ingredients more. Similar ingredient lists (not a test of how they work) — amounts, texture and results can differ.
Based on the listed ingredients only; recalculated weekly. Not a judgment of which product is better, safer or the same.
Information only, not medical advice. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist before use.
Its ingredient list includes Butylphenyl Methylpropional, which is listed as prohibited in the EU's CosIng records. Check the official rule on the ingredient page; formulas sold in different countries can differ.
We found no prohibited ingredients. 1 ingredient has limits or conditions in Korea's MFDS records (Potassium Hydroxide). That usually means a maximum amount, a product type or a label warning — not a ban.
We found no prohibited ingredients. 1 ingredient has limits or conditions in the FDA's records (Butylphenyl Methylpropional). That usually means a maximum amount, a product type or a label warning — not a ban.
None of the fragrance allergens the EU requires to be labelled appear in its ingredient list.
Ingredient lists are in descending order of amount down to about 1%. The first five listed are: WATER, DIPROPYLENE GLYCOL, CETYL ETHYLHEXANOATE, GLYCERIN, POLYGLYCERYL-3 METHYLGLUCOSE DISTEARATE. In total 26 ingredients are listed.
Yes — we have 10 official records linked to the brand or this product. The latest is from December 2025 (US). See the list on this page for each source.
From Nature Republic official store on October 17, 2026. We re-read it every week and keep earlier versions if the formula changes.