Polysilicone-15
A silicone-based UVB filter. Its large molecule is not absorbed by skin, giving a good safety profile and high photostability. It often sits alongside other filters for even protection and a pleasant texture.
Evidence by route
Topical application
A modern, photostable UVB filter with low skin absorption. Approved in the EU, well tolerated, suitable for sensitive skin. It does not cover broad spectrum alone and works in combination.
- SCCS Scientific Committee on Consumer Safety opinion
- EU Regulation 1223/2009 on cosmetic products
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
Frequently asked questions
Is Polysilicone-15 safe during pregnancy?
Polysilicone-15 is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Polysilicone-15 for?
Polysilicone-15 suits: normal, dry, combination, oily, sensitive.
What is Polysilicone-15 and what does it do in cosmetics?
A silicone-based UVB filter.
What's the INCI name for Polysilicone-15?
The INCI name is Polysilicone-15. It may also appear as: Parsol SLX, Dimethico-diethylbenzalmalonate.
See Polysilicone-15 in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
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