All Ingredients
40

Polymethylsilsesquioxane

Moderate

Quick verdict

High concern

Polymethylsilsesquioxane skin safety dashboard

Polymethylsilsesquioxane scores 40/100 across 1 product analyses. The most important acne and irritation checks are summarized first.

Comedogenic rating

5/5

High pore-clogging risk signal for acne-prone skin.

Fungal acne concern

Review

Review the full formula before using on Malassezia-prone skin.

Pregnancy concern

Review

Ask a clinician before using during pregnancy or nursing.

Skin types to avoid

Acne-prone, Oily, Sensitive

Based on pore-clogging and irritation risk signals.

What is Polymethylsilsesquioxane and why is it used?

We're still generating a detailed description for Polymethylsilsesquioxane. Check back shortly - or scan a product containing this ingredient to speed things up.

Will Polymethylsilsesquioxane clog my pores? (Comedogenic Rating)

Comedogenic Risk: 5/5

Polymethylsilsesquioxane has an estimated comedogenic risk of 5/5 based on GlowLens ingredient scoring across 1 product analyses. A higher number signals a stronger pore-clogging tendency for acne-prone skin. This is informational, not medical advice.

Known Side Effects and Allergies: how concerning is Polymethylsilsesquioxane?

Moderate

Polymethylsilsesquioxane currently scores 40/100, which places it in a moderate-concern band overall. The main practical consideration is skin irritation, sensitivity, or breakouts in formulas where it appears alongside other potentially irritating ingredients. This is informational, not medical advice.

Is Polymethylsilsesquioxane safe for pregnancy?

While our analysis gives Polymethylsilsesquioxane a safety score of 40/100 with a medium concern level, we recommend consulting your healthcare provider about any cosmetic ingredients during pregnancy or nursing. GlowLens provides general safety assessments - pregnancy-specific advice should come from your doctor or midwife.

Final Verdict: who should be most cautious with Polymethylsilsesquioxane?

Acne-prone, oily, and reactive skin types may want to be more cautious with Polymethylsilsesquioxane, since it carries a stronger pore-clogging signal. Other skin types generally have less to weigh. This is informational, not medical advice.

How we rate this ingredient

Provisional AI estimate - being verified against official sources.

We have not yet attached an official citation to this ingredient. The current rating is a provisional AI estimate and will be updated as authoritative sources are added.

1 products analyzed containing PolymethylsilsesquioxaneAnalyze a new product

Found in 1 Products

Sunday Riley C.E.O. Vitamin C Rich Hydration Cream - contains Polymethylsilsesquioxane
40

Sunday Riley C.E.O. Vitamin C Rich Hydration Cream

medium

A synthetic polymer that provides an improved texture but is ecologically questionable.

Showing all 1 of 1 products

Commonly used with Polymethylsilsesquioxane

Ingredients that most often appear alongside Polymethylsilsesquioxane in the formulas we have analyzed. Open any one to see its comedogenic rating and safety profile.

Frequently Asked Questions

What is Polymethylsilsesquioxane and why is it used?
We're still generating a detailed description for Polymethylsilsesquioxane. Check back shortly - or scan a product containing this ingredient to speed things up. Across 1 products in our database, Polymethylsilsesquioxane appears in various formulations. Use our free skincare ingredient checker to see how it interacts with other ingredients in specific products.
Will Polymethylsilsesquioxane clog my pores? (Comedogenic Rating)
Polymethylsilsesquioxane has an estimated comedogenic risk of 5/5 based on GlowLens ingredient scoring across 1 product analyses. A higher number signals a stronger pore-clogging tendency for acne-prone skin. This is informational, not medical advice.
Known Side Effects and Allergies: how concerning is Polymethylsilsesquioxane?
Polymethylsilsesquioxane currently scores 40/100, which places it in a moderate-concern band overall. The main practical consideration is skin irritation, sensitivity, or breakouts in formulas where it appears alongside other potentially irritating ingredients. This is informational, not medical advice.
Is Polymethylsilsesquioxane safe for pregnancy?
While our analysis gives Polymethylsilsesquioxane a safety score of 40/100 with a medium concern level, we recommend consulting your healthcare provider about any cosmetic ingredients during pregnancy or nursing. GlowLens provides general safety assessments - pregnancy-specific advice should come from your doctor or midwife.
Final Verdict: who should be most cautious with Polymethylsilsesquioxane?
Acne-prone, oily, and reactive skin types may want to be more cautious with Polymethylsilsesquioxane, since it carries a stronger pore-clogging signal. Other skin types generally have less to weigh. This is informational, not medical advice.