Ingredient
Chloroacetic Acid
Chloroacetic Acid is flagged for pregnancy, breastfeeding, postpartum, trying to conceive, PCOS and general use. The concern behind the strongest flag is absorbed into the body and fetal development.
- Monochloroacetic Acid
- MCA
- Chloroethanoic Acid
- 2-Chloroacetic Acid
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
Chloroacetic Acid and pregnancy
Not Recommended
- Absorbed into the body
- Fetal development
Chloroacetic acid is a highly corrosive chemical compound that can cause severe skin damage and systemic toxicity. While rarely used in cosmetics, it may appear in chemical peels or as a pH adjuster in some formulations. According to ECHA, chloroacetic acid can be absorbed through damaged skin and has documented systemic toxicity affecting liver, kidneys, and cardiovascular function. Animal studies have shown embryotoxicity and developmental effects at toxic doses. The corrosive nature means any exposure risks both maternal tissue damage and potential systemic effects that could impact pregnancy. Due to the severe toxicity profile and potential for systemic absorption through compromised skin, medical professionals strongly recommend complete avoidance during pregnancy. The EU restricts its use to very low concentrations (0.3% maximum), but even restricted use should be avoided during pregnancy given the potential risks.
Chloroacetic Acid and breastfeeding
Not Recommended
- Absorbed into the body
- Infant exposure
Chloroacetic acid is a caustic chemical with significant toxicity concerns. When absorbed systemically, it can cause organ damage and has been detected in body tissues following exposure. According to ECHA toxicological data, chloroacetic acid's corrosive properties and potential for systemic absorption raise concerns about transfer into breast milk. The compound's toxicity profile suggests that any systemic absorption could pose risks to breastfed infants through milk transfer or through direct skin contact if product residue remains on treated areas. Given the severe toxicity and lack of safety data for lactation, dermatologists and lactation consultants universally recommend avoiding products containing chloroacetic acid while breastfeeding. Safer alternatives exist for any cosmetic purpose this ingredient might serve.
Chloroacetic Acid and postpartum
Not Recommended
- Irritant
Chloroacetic acid remains a highly corrosive and irritating ingredient regardless of pregnancy or lactation status. Postpartum skin may be more sensitive due to hormonal changes, making exposure to such caustic ingredients particularly inadvisable. While the specific concerns about fetal exposure or milk transfer don't apply to postpartum women not breastfeeding, the ingredient's severe irritancy and systemic toxicity make it a poor choice for any skincare routine. Most dermatologists recommend avoiding this ingredient in favor of gentler, better-studied alternatives.
Chloroacetic Acid and trying to conceive
Not Recommended
- Absorbed into the body
Chloroacetic acid should be avoided when trying to conceive due to its potential for systemic toxicity. While specific fertility studies are limited, the compound's documented organ toxicity and potential embryotoxicity suggest it should be discontinued before attempting pregnancy. Women trying to conceive should follow the same precautionary principle as pregnant women, avoiding exposure to potentially toxic substances even before conception occurs. The severe nature of chloroacetic acid's toxicity profile warrants complete avoidance during the preconception period.
Chloroacetic Acid and PCOS
Not Recommended
- Irritant
Chloroacetic acid has no hormonal benefits and poses no specific endocrine concerns beyond its general toxicity profile. However, its highly irritating nature makes it unsuitable for PCOS-related skin concerns. Women with PCOS often experience skin sensitivity and inflammation. Using a caustic ingredient like chloroacetic acid could worsen inflammation and irritation rather than improve skin condition. Safer chemical exfoliants like salicylic acid, glycolic acid, or azelaic acid are far more appropriate for addressing PCOS-related acne and skin texture issues without the severe toxicity concerns of chloroacetic acid.
Chloroacetic Acid and general use
Not Recommended
- Irritant
- Carcinogen concern
Chloroacetic acid is a highly corrosive chemical compound that can cause severe burns, tissue damage, and systemic toxicity. Its use in cosmetics is heavily restricted, with the EU limiting it to 0.3% maximum concentration in finished products. According to ECHA and IARC, chloroacetic acid poses serious health risks including severe skin and eye irritation, respiratory damage if inhaled, and potential carcinogenicity. Systemic absorption through damaged skin can lead to liver, kidney, and cardiovascular toxicity. The risk-to-benefit ratio for cosmetic use is extremely unfavorable. Most cosmetic formulators have moved away from chloroacetic acid in favor of safer alternatives. Consumers should generally avoid products containing this ingredient, as gentler and more effective options exist for virtually any cosmetic application.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Chloroacetic Acid, 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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