All Ingredients
40

Red 40

medium

Quick verdict

High concern

Red 40 skin safety dashboard

Red 40 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 Red 40 and why is it used?

We're still generating a detailed description for Red 40. Check back shortly - or scan a product containing this ingredient to speed things up.

Will Red 40 clog my pores? (Comedogenic Rating)

Comedogenic Risk: 5/5

Red 40 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 Red 40?

medium

Red 40 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 Red 40 safe for pregnancy?

While our analysis gives Red 40 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 Red 40?

Acne-prone, oily, and reactive skin types may want to be more cautious with Red 40, 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 Red 40Analyze a new product

Found in 1 Products

40

Neutrogena deep clean facewah

medium

An artificial dye included only for appearance that may cause irritation to sensitive skin types.

Showing all 1 of 1 products

Frequently Asked Questions

What is Red 40 and why is it used?
We're still generating a detailed description for Red 40. Check back shortly - or scan a product containing this ingredient to speed things up. Across 1 products in our database, Red 40 appears in various formulations. Use our free skincare ingredient checker to see how it interacts with other ingredients in specific products.
Will Red 40 clog my pores? (Comedogenic Rating)
Red 40 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 Red 40?
Red 40 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 Red 40 safe for pregnancy?
While our analysis gives Red 40 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 Red 40?
Acne-prone, oily, and reactive skin types may want to be more cautious with Red 40, since it carries a stronger pore-clogging signal. Other skin types generally have less to weigh. This is informational, not medical advice.