Is Diethylhexyl Phthalate safe when eaten by a child?

Diethylhexyl phthalate (DEHP) is permanently banned in children's toys and childcare articles at concentrations exceeding 0.1% in the United States and the European Union due to concerns about its harmful health effects on children, including male reproductive development.

Why here

Children may ingest DEHP by mouthing or chewing on toys and childcare articles, leading to exposure.

What would have to be true

Ingestion of DEHP from children's toys and childcare articles at concentrations exceeding 0.1%.

DEHP is classified as 'possibly carcinogenic to humans' (Group 2B) by the International Agency for Research on Cancer (IARC), 'reasonably anticipated to be a human carcinogen' by the U.S. Department of Health and Human Services (DHHS), and a 'probable human carcinogen' by the U.S. Environmental Protection Agency (EPA).

Why here

Long-term ingestion of DEHP, primarily through diet, can lead to systemic exposure.

What would have to be true

Long-term dietary intake of DEHP, including from food that has been in contact with plastics during processing and packaging.

DEHP is an endocrine-disrupting chemical (EDC) that has been linked to adverse effects on male reproductive development, with the FDA advising that it may pose a health risk to male fetuses, neonates, and prepubertal boys, particularly from medical device exposure.

Why here

Ingestion of DEHP from food, dust, and medical devices can lead to systemic exposure, affecting the endocrine system during critical developmental stages.

What would have to be true

Ingestion of DEHP from various sources, including food, dust, and medical devices; high exposure levels are of particular concern for male fetuses, neonates, and prepubertal boys.

Several epidemiological studies suggest that fetal and childhood exposure to DEHP may perturb normal development, including associations with alterations in infant/toddler physical development, behavioral problems, shorter anogenital distance in male infants, and potential links to childhood obesity and diabetes in adolescents.

Why here

Ingestion during critical developmental windows (fetal and childhood) can lead to systemic exposure and interfere with metabolic and endocrine functions.

What would have to be true

Fetal exposure through maternal ingestion during pregnancy, and direct childhood ingestion from food, dust, and other consumer products.

Several epidemiological studies suggest that childhood exposure to DEHP may increase the risk of allergic diseases, including asthma and eczema.

Why here

Ingestion during childhood can lead to systemic exposure that may influence immune responses.

What would have to be true

Childhood ingestion of DEHP from various sources, including food and dust.

Diethylhexyl phthalate (DEHP) is banned from use in cosmetics in the European Union.

Why here

This regulation directly prohibits the inclusion of DEHP in cosmetic products, including those designed for dermal leave-on application, within the EU market.

What would have to be true

Dermal exposure through the use of cosmetic products containing DEHP.

The National Toxicology Program (NTP) and the U.S. Environmental Protection Agency (EPA) report that diethylhexyl phthalate (DEHP) is reasonably anticipated to be a human carcinogen based on sufficient evidence from animal studies, and California's Proposition 65 lists DEHP as a chemical known to cause cancer.

Why here

Although direct human carcinogenicity data from dermal exposure are incomplete, systemic absorption of DEHP from leave-on products contributes to overall body burden, which regulatory bodies consider in their classifications.

What would have to be true

Dermal exposure from cosmetic products.

The other side

Some studies indicate that DEHP does not appear to cause cancer in humans, as the toxicological mechanisms observed in animals may be irrelevant to human health, and prolonged exposure to higher doses in humans is unlikely.

The European Commission and the European Chemicals Agency (ECHA) classify diethylhexyl phthalate (DEHP) as an endocrine disruptor and reproductive toxicant, linked to altered male genital development, reduced fetal testosterone production, and impaired sperm motility following exposure.

Why here

Dermal absorption of DEHP from leave-on cosmetic products can lead to systemic exposure, potentially interfering with the body's hormonal system and affecting reproductive and developmental health.

What would have to be true

Dermal exposure from cosmetic products, with estimated maximal daily exposure for female adults at 0.82 μg/kg bw/d.

Diethylhexyl phthalate (DEHP) is classified by the International Agency for Research on Cancer (IARC) as Group 2B, "possibly carcinogenic to humans," and by the U.S. Environmental Protection Agency (EPA) as a "probable human carcinogen," based on evidence from animal studies showing increased incidences of various cancers, including liver, pancreatic, and testicular tumors.

Why here

Inhalation is a known route of exposure for DEHP, particularly in occupational settings where aerosols or mists can be present, and DEHP can be found in ambient indoor air.

What would have to be true

Occupational exposure to DEHP aerosols or mists, or general population exposure to DEHP in ambient indoor air. Occupational air concentrations can be as high as 60 mg/m3 in older studies, though typically below 1 mg/m3.

The other side

Some scientific perspectives argue that the mechanism of liver cancer observed in rodents (peroxisome proliferation) is not relevant to human cancer risk at anticipated exposure levels.

Diethylhexyl phthalate (DEHP) is identified by the U.S. Environmental Protection Agency (EPA) as posing "unreasonable risks" for workers in specific industrial applications, primarily from inhalation during spray applications and manufacturing processes, due to its potential to cause "hormone deficiencies and endocrine disruption". The National Toxicology Program (NTP) has expressed "serious concern" regarding the adverse effects of DEHP exposure on the development of the male reproductive tract in infants undergoing intensive medical treatments, and "concern" for male offspring of pregnant and breastfeeding women exposed to high levels of DEHP from medical procedures.

Why here

DEHP can be inhaled as an aerosol or mist in occupational settings and is present in indoor air, leading to systemic exposure that can affect the endocrine system. Animal studies have shown that inhaled DEHP can lead to altered reproductive development and increased plasma testosterone levels.

What would have to be true

Occupational inhalation exposure during manufacturing and spray applications, or high-level medical exposures leading to systemic absorption. General population exposure to DEHP in indoor air.

Diethylhexyl phthalate (DEHP) is identified as a respiratory tract irritant. In vitro studies suggest that DEHP exposure can inhibit cell proliferation and induce apoptosis in human bronchial epithelial cells, and epidemiological studies have linked DEHP concentrations in indoor dust to respiratory symptoms like wheezing in children.

Why here

DEHP can be inhaled as airborne particles or mist, directly contacting and potentially irritating the respiratory tract, and accumulating in indoor dust which can then be inhaled.

What would have to be true

Inhalation of DEHP aerosols, mists, or dust in indoor environments or occupational settings.