All Ingredients
70

Cyclopentasiloxane

Low Concern

Quick verdict

Use with caution

Cyclopentasiloxane skin safety dashboard

Cyclopentasiloxane scores 70/100 across 2 product analyses. The most important acne and irritation checks are summarized first.

Comedogenic rating

3/5

Moderate clogging risk; formula context matters.

Fungal acne concern

Lower

No major fungal-acne warning is flagged by current data.

Pregnancy concern

Lower

No elevated pregnancy-specific concern is flagged here.

Skin types to avoid

Acne-prone

Based on pore-clogging and irritation risk signals.

What is Cyclopentasiloxane and why is it used?

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

Will Cyclopentasiloxane clog my pores? (Comedogenic Rating)

Comedogenic Risk: 3/5

Cyclopentasiloxane has an estimated comedogenic risk of 3/5 based on GlowLens ingredient scoring across 2 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 Cyclopentasiloxane?

Low Concern

Cyclopentasiloxane currently scores 70/100, which places it in a lower-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 Cyclopentasiloxane safe for pregnancy?

While our analysis gives Cyclopentasiloxane a safety score of 70/100 with a low 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 Cyclopentasiloxane?

No specific skin type is automatically excluded for Cyclopentasiloxane, but a patch test is still useful for reactive skin. This is informational, not medical advice.

How we rate this ingredient

Rating sourced from official regulatory and scientific databases.Confidence: MediumLast reviewed Jun 13, 2026
2 products analyzed containing CyclopentasiloxaneAnalyze a new product

Found in 2 Products

Tarte Shape Tape Concealer - contains Cyclopentasiloxane
70

Tarte Shape Tape Concealer

low

A volatile silicone that provides smoothness but pollutes the environment due to its poor biodegradability.

70

B pure concentrated facial serum

low

This volatile silicone provides a silky finish but is noted for its persistence in the environment.

Showing all 2 of 2 products

Frequently Asked Questions

What is Cyclopentasiloxane and why is it used?
We're still generating a detailed description for Cyclopentasiloxane. Check back shortly - or scan a product containing this ingredient to speed things up. Across 2 products in our database, Cyclopentasiloxane appears in various formulations. Use our free skincare ingredient checker to see how it interacts with other ingredients in specific products.
Will Cyclopentasiloxane clog my pores? (Comedogenic Rating)
Cyclopentasiloxane has an estimated comedogenic risk of 3/5 based on GlowLens ingredient scoring across 2 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 Cyclopentasiloxane?
Cyclopentasiloxane currently scores 70/100, which places it in a lower-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 Cyclopentasiloxane safe for pregnancy?
While our analysis gives Cyclopentasiloxane a safety score of 70/100 with a low 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 Cyclopentasiloxane?
No specific skin type is automatically excluded for Cyclopentasiloxane, but a patch test is still useful for reactive skin. This is informational, not medical advice.