Korean: 폴리실리콘-15 · CAS 207574-74-1 · Functions: light stabilizer, uv absorber, uv filter
Approved UV filter MFDS restricted ingredients (UV filter)
Maximum: 10%
Conditions (official MFDS text, Korean):
* 배합한도 : 10%
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Approved UV filter Annex VI/26
Maximum: 10%
Source: EU CosIng — Annex VI · checked Oct 16, 2026
Not an FDA-listed sunscreen active M020 (not listed)
Conditions: Permitted as a UV filter elsewhere, but not on the FDA list of sunscreen active ingredients (§M020.10). It cannot be the active ingredient of a sunscreen marketed in the U.S. under the monograph.
Source: FDA OTC Monograph M020 (sunscreens) · checked Oct 16, 2026
This is a UV filter. In the U.S., sunscreens are regulated as over-the-counter drugs, so a filter must be on the FDA's list of permitted sunscreen actives to be used in a sunscreen sold there. Compare all filters on Sunscreen filters: Korea vs EU vs U.S.
How Parsol SLX is treated in 6 more markets, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.
| Market | Status | Conditions |
|---|---|---|
| CN China | Restricted | MFDS summary (Korean): * 【화장품 중 최대사용농도】 배합한도 (일반) : 10% |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 10% * 제한 【완제품에서 허용된 최대 농도】 : 10% |
| JP Japan | Restricted | MFDS summary (Korean): （注1）空欄は、配合してはならないことを示し、○印は、配合の上限がないことを示す。 * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내는 화장품 -Cosmetics not used for mucosa and to be washed away)】 : 10.0 g * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내지 않는 화장품 - Cosmetics not used for mucosa and not to be washed away)】 : 10.0 g * 【100g당 최대 배합량 (점막에 사용하는 화장품 -... |
| TW Taiwan | Restricted | MFDS summary (Korean): * 用途(용도) : 防曬劑 (자외선차단제) * 배합한도 : 10% |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 10% * 제한 【완제품에서 허용된 최대 농도】 : 10% |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 10% * 제한 【완제품에서 허용된 최대 농도】 : 10% |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
POLYSILICONE-15 폴리실리콘-15 Parsol SLX
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
In the EU's CosIng records it is listed as “Approved UV filter” (EU CosIng — Annex VI). The maximum allowed is 10%. It is allowed for that use within the stated conditions.
In Korea's MFDS records it is listed as “Approved UV filter” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 10%. It is allowed for that use within the stated conditions.
In the FDA's records it is listed as “Not an FDA-listed sunscreen active” (FDA OTC Monograph M020 (sunscreens)).
The EU's CosIng inventory lists its functions as: light stabilizer, uv absorber, uv filter.
Korea's MFDS standard Korean name is 폴리실리콘-15.
24+ products we checked list it, for example COSRX Airy-Light Invisible Sun Stick, AP Beauty A.O.Triple Defense Airy Tone-up Sun Serum, Tia'm B3 Niacin Sunscreen.
CAS 207574-74-1 (from official records).