Ingredient
Methyldibromo Glutaronitrile
Methyldibromo Glutaronitrile is flagged for pregnancy, breastfeeding, postpartum, trying to conceive, PCOS and general use. The concern behind the strongest flag is common allergen and absorbed into the body.
- MDBGN
- 1,2-Dibromo-2,4-dicyanobutane
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Not Recommended
- Its verdict for pregnancy, the profile this one is worst in
- Profiles flagged
- 6 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 5 of 5
- Higher means more likely to sting or redden
Methyldibromo Glutaronitrile and pregnancy
Not Recommended
- Common allergen
- Absorbed into the body
Methyldibromo Glutaronitrile is a preservative that was once used in cosmetics but has since been recognized as highly problematic. It prevents bacterial contamination in water-based products. This ingredient is a severe contact allergen that can cause significant skin reactions, including contact dermatitis, blistering, and sensitization. During pregnancy, severe allergic reactions can cause stress to both mother and fetus. According to the SCCS, there is no safe concentration for this ingredient in cosmetics due to its high allergen potential. The systemic effects of allergic reactions and potential absorption make it particularly concerning during pregnancy. The European Union has completely banned Methyldibromo Glutaronitrile from all cosmetic products since 2007. ACOG recommends that pregnant women avoid known allergens and sensitizers to prevent complications. Products containing this ingredient should not be used during pregnancy, and it is virtually absent from modern cosmetic formulations.
Methyldibromo Glutaronitrile and breastfeeding
Not Recommended
- Common allergen
- Infant exposure
Methyldibromo Glutaronitrile is a banned preservative in the EU due to its severe allergenic properties. It can cause contact dermatitis and skin sensitization in both users and those who come into contact with treated skin. Beyond the mother's safety concerns, this ingredient poses risks for breastfed infants through skin-to-skin contact. The severe allergic reactions it can cause may lead to infant exposure through contact with the mother's treated skin areas. The ingredient's potent sensitizing effects make it unsuitable for anyone who will have close contact with infants. The SCCS has determined this ingredient poses unacceptable risks at any concentration. Breastfeeding mothers should avoid products containing this preservative entirely to prevent allergic reactions and potential infant contact exposure.
Methyldibromo Glutaronitrile and postpartum
Not Recommended
- Common allergen
- Irritant
Methyldibromo Glutaronitrile is a banned preservative that causes severe allergic reactions and contact dermatitis. Postpartum skin may be more sensitive due to hormonal changes. This ingredient should be avoided by everyone, including postpartum women. The EU ban on this ingredient reflects its unacceptable safety profile. Modern cosmetics use safer alternative preservatives.
Methyldibromo Glutaronitrile and trying to conceive
Not Recommended
- Common allergen
Methyldibromo Glutaronitrile is a banned preservative with severe allergenic properties. Women trying to conceive should avoid it due to the general health principle of minimizing exposure to known allergens and sensitizers during the preconception period. This ingredient poses unacceptable risks for everyone and is banned in the EU. It should be avoided when trying to conceive as part of good preconception health practices.
Methyldibromo Glutaronitrile and PCOS
Not Recommended
- Common allergen
- Can inflame skin
Methyldibromo Glutaronitrile is a preservative with severe allergenic properties. While it does not directly affect hormones, individuals with PCOS may have increased inflammatory responses that could exacerbate allergic reactions. This ingredient is banned in the EU and should be avoided by everyone due to its high risk of causing contact dermatitis and allergic sensitization. PCOS-related inflammation may make the skin more reactive to allergens. The ingredient has no place in modern skincare for PCOS or any other condition. Safer preservatives are readily available and should be used instead.
Methyldibromo Glutaronitrile and general use
Not Recommended
- Common allergen
- Irritant
Methyldibromo Glutaronitrile is a preservative that was used to prevent microbial contamination in cosmetic products. However, it has been recognized as one of the most problematic cosmetic ingredients due to its severe allergenic effects. According to the SCCS, this ingredient causes contact allergies at very high rates, even at low concentrations. Studies have shown it can cause severe contact dermatitis, allergic reactions, and permanent skin sensitization. The American Contact Dermatitis Society has named it a significant allergen. Once sensitized to this ingredient, individuals may experience allergic reactions with every exposure. The European Union banned Methyldibromo Glutaronitrile from all cosmetic products in 2007 following comprehensive safety reviews. While not explicitly banned in the US, it is rarely used in modern formulations due to its known dangers. Consumers should avoid any products containing this ingredient and report them to regulatory authorities.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Methyldibromo Glutaronitrile, each one with its own page here.
Ingredients that raise the same concerns.
Where this came from
Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.
Assessment last pulled from the ingredient database on .
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A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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