All Ingredients
35

DMDM Hydantoin

Moderate

Quick verdict

High concern

DMDM Hydantoin skin safety dashboard

DMDM Hydantoin scores 35/100 across 2 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 DMDM Hydantoin and why is it used?

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

Will DMDM Hydantoin clog my pores? (Comedogenic Rating)

Comedogenic Risk: 5/5

DMDM Hydantoin has an estimated comedogenic risk of 5/5 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 DMDM Hydantoin?

Moderate

DMDM Hydantoin currently scores 35/100, 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 DMDM Hydantoin safe for pregnancy?

While our analysis gives DMDM Hydantoin a safety score of 35/100 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 DMDM Hydantoin?

Acne-prone, oily, and reactive skin types may want to be more cautious with DMDM Hydantoin, 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

Rating sourced from official regulatory and scientific databases.Confidence: HighLast reviewed Jun 13, 2026

  • EU CosIng

    Ref: Annex V/33: formaldehyde-releaser labelling

    View source

  • SCCS (EU Scientific Committee on Consumer Safety)

    Ref: SCCS on formaldehyde releasers

    View source

  • PubChem

    Ref: CAS 6440-58-0

    View source
2 products analyzed containing DMDM HydantoinAnalyze a new product

Found in 2 Products

35

Spa luxury shave cream

medium

A preservative that releases formaldehyde, which can cause skin irritation and allergic reactions in sensitive individuals.

35

Xtracare oatmeal daily moisturizer

medium

A preservative that releases small amounts of formaldehyde, which can trigger allergies or skin sensitization.

Showing all 2 of 2 products

Frequently Asked Questions

What is DMDM Hydantoin and why is it used?
We're still generating a detailed description for DMDM Hydantoin. Check back shortly - or scan a product containing this ingredient to speed things up. Across 2 products in our database, DMDM Hydantoin appears in various formulations. Use our free skincare ingredient checker to see how it interacts with other ingredients in specific products.
Will DMDM Hydantoin clog my pores? (Comedogenic Rating)
DMDM Hydantoin has an estimated comedogenic risk of 5/5 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 DMDM Hydantoin?
DMDM Hydantoin currently scores 35/100, 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 DMDM Hydantoin safe for pregnancy?
While our analysis gives DMDM Hydantoin a safety score of 35/100 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 DMDM Hydantoin?
Acne-prone, oily, and reactive skin types may want to be more cautious with DMDM Hydantoin, since it carries a stronger pore-clogging signal. Other skin types generally have less to weigh. This is informational, not medical advice.