A latest biomonitoring examine printed within the Journal of Publicity Science and Environmental Epidemiology has discovered that lotion use is a robust predictor of paraben publicity in younger infants, elevating new considerations about private care product security for this susceptible inhabitants.
The examine, characterised by its authors because the “first paper to report paraben ranges and consider predictors of publicity in infants,” analyzed urinary biomarkers in infants at one to a few months and once more at 12 months to evaluate paraben ranges and determine potential sources of publicity.
The examine and its findings
The examine authors reported that lotion use within the final seven days was the strongest predictor of urinary paraben biomarkers of publicity in a single to three-month-olds. They famous that “lotion customers had 189% larger concentrations of PP and 355% larger concentrations of MP in comparison with infants who didn’t have lotion utilized within the final seven days.”
These compounds – propylparaben (PP) and methylparaben (MP) – are extensively used preservatives in private care merchandise.
The examine discovered much less pronounced associations on the 12-month mark, which researchers attributed to altering publicity pathways as youngsters develop. “The dearth of statistical significance on the 12-month-old go to… could replicate altering patterns of publicity as infants age, reminiscent of a paraben publicity from a extra various food regimen and publicity to mud and different merchandise,” the authors acknowledged.
Different predictors of upper paraben ranges included race/ethnicity and parental training. Whereas not statistically vital on the 12-month checkpoint, the researchers hypothesized that these demographic indicators could replicate unmeasured variations in product use or family publicity.
Moreover, infants attending daycare at 12 months confirmed larger paraben concentrations. The authors recommend this will stem from hygiene routines in childcare settings, citing earlier research displaying larger paraben ranges in adults who ceaselessly used hand cleaning soap.
Notably, the examine didn’t discover breastfeeding to be a contributing issue. “We didn’t observe an affiliation between breastfeeding and toddler paraben ranges,” the authors wrote, including that different sources – reminiscent of parental use of private care merchandise – could also be contributing to passive publicity.
Although ranges noticed in infants had been decrease than in older age teams, the findings underscore considerations about publicity throughout a essential developmental window. “Infants could also be extra prone to environmental chemical compounds and their speedy growth and underdeveloped protection mechanisms can probably make these exposures extra dangerous than later life publicity,” the researchers concluded
Trade skilled reacts: Reformulation, transparency, and new preservation methods
In response to the examine’s findings, Dr. Barbara Olioso, founding father of the sustainable product finder know-how Inexperienced Chem Finder, emphasised the implications for beauty product growth. “I welcome this examine as it may probably affect the way in which ingredient security is evaluated, particularly in infants’ pores and skin,” she mentioned.
“Regardless that an toddler’s pores and skin seems to be excellent and delightful, the stratum corneum is thinner, and the ratio of physique floor and physique weight is larger than adults, making them extra susceptible to absorption of topical substances.”
Dr. Olioso additionally pointed to a different doable publicity route not absolutely captured by the examine: “This examine hypothesizes one other supply of contamination – the skin-to-skin contact with dad and mom utilizing all types of toiletries and passing them on to their infants.”
She referred to as the findings “a name for formulators and producers to interchange them in toddler and even youngsters’s merchandise to keep away from lack of market share and even potential lawsuits.”
When requested about balancing security and preservation, Dr. Olioso famous the significance of utilizing preservative programs extra strategically. “The answer… is to make use of boosters and multifunctional elements as a part of the preservative system together with conventional preservatives, [which] permits decrease ranges of publicity in addition to diversification with completely different substances.”
Dr. Olioso highlighted her personal efforts to deal with these challenges via Inexperienced Chem Finder, an ingredient sourcing platform constructed on inexperienced chemistry rules. “The platform options over 300 elements from 40 suppliers, all chosen utilizing inexperienced chemistry standards… simplifying the method of figuring out optimum candidates for efficient, compliant, and sustainable preservation programs.”
For child and delicate pores and skin merchandise, she beneficial “waterless merchandise for leave-on functions, and for rinse-off merchandise the basic natural acids mixed with boosters for decrease publicity.”
From a market perspective, she mentioned shopper sentiment is already influencing formulation choices. “As soon as [consumers] lose belief in particular elements, reversing that notion turns into extraordinarily difficult for manufacturers.”
Additional, she continued, “this examine could vindicate shopper skepticism about parabens, probably strengthening the market shift towards paraben-free formulations for good.”
She additionally famous that regulatory evolution should meet up with rising information. “Regulatory our bodies ought to prioritize funding for such research and create frameworks that incorporate their findings into security requirements, particularly for merchandise meant for susceptible populations like infants.”
Supply: Journal of Publicity Science and Environmental Epidemiology
(2025). https://doi.org/10.1038/s41370-025-00756-4
“Younger infants’ publicity to parabens: lotion use as a possible supply of publicity.”
Authors: Boxer, E., Zhong, Y., Levasseur, J. et al.