All Ingredients
15

Nonoxynol-20

High Concern

Quick verdict

High concern

Nonoxynol-20 skin safety dashboard

Nonoxynol-20 scores 15/100 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

Higher

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 Nonoxynol-20 and why is it used?

We're still generating a detailed description for Nonoxynol-20. Check back shortly - or scan a product containing this ingredient to speed things up.

Will Nonoxynol-20 clog my pores? (Comedogenic Rating)

Comedogenic Risk: 5/5

Nonoxynol-20 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 Nonoxynol-20?

High Concern

Nonoxynol-20 currently scores 15/100, which places it in a higher-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 Nonoxynol-20 safe for pregnancy?

While our analysis gives Nonoxynol-20 a safety score of 15/100 with a high 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 Nonoxynol-20?

Acne-prone, oily, and reactive skin types may want to be more cautious with Nonoxynol-20, 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.Confidence: LowLast reviewed Jun 13, 2026

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 Nonoxynol-20Analyze a new product

Found in 1 Products

15

Global beauty care vitamin C glow

high

An ethoxylated surfactant that is highly toxic to aquatic life and flagged as a potential endocrine disruptor.

Showing all 1 of 1 products

Frequently Asked Questions

What is Nonoxynol-20 and why is it used?
We're still generating a detailed description for Nonoxynol-20. Check back shortly - or scan a product containing this ingredient to speed things up. Across 1 products in our database, Nonoxynol-20 appears in various formulations. Use our free skincare ingredient checker to see how it interacts with other ingredients in specific products.
Will Nonoxynol-20 clog my pores? (Comedogenic Rating)
Nonoxynol-20 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 Nonoxynol-20?
Nonoxynol-20 currently scores 15/100, which places it in a higher-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 Nonoxynol-20 safe for pregnancy?
While our analysis gives Nonoxynol-20 a safety score of 15/100 with a high 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 Nonoxynol-20?
Acne-prone, oily, and reactive skin types may want to be more cautious with Nonoxynol-20, since it carries a stronger pore-clogging signal. Other skin types generally have less to weigh. This is informational, not medical advice.