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Minimising the risk posed by TiO2 nanomaterials used in sunscreen throughout the entire product lifecycle

Abstract : Sunscreens are of emerging concern regarding both human and environmental health. While TiO2 nanoparticles used as UV-blockers may offer a safer alternative to organic filters, their fate and impact and resulting regulation are still under consideration, largely related to the potential risk of nanotechnology-based products. After leaving the skin either through bathing or cleaning, the TiO2 nanomaterials contained in the sunscreen can be released into rivers, lakes, sea shores, and/or sewage treatment plants. Their fate and impact in these different systems is largely determined by the surface properties, i.e. the coating type and lifetime. This project aims to develop the eco-design of sunscreens through the minimization of risks associated with nanomaterials incorporated into the formulation. All stages of the cream life cycle must be considered in this light, from its manufacture to its end of life, through its use by the consumer and its impact on the exposed environment. By considering each development stage of the sunscreen, from the choice of UV-blocker and its integration into a cosmetic formulation, to the knowledge of the risk involved in this choice all along the product lifecycle, an eco-design approach can be achieved and risk can be minimized. The present work combines industrial companies specialising in cosmetic formulation with academic research experts in the fields of exposure, toxicity and lifecycle assessment. Sunscreen fabrication, risk for the consumer by dermal exposure, risk for the direct aquatic environment and risk related to the end of life of the product are as many key steps of the sunscreen lifecycle that were investigated in this project.
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https://hal-ineris.archives-ouvertes.fr/ineris-01853357
Contributor : Gestionnaire Civs <>
Submitted on : Friday, August 3, 2018 - 10:14:02 AM
Last modification on : Monday, February 25, 2019 - 3:36:03 PM

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  • HAL Id : ineris-01853357, version 1

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D. Slomberg, R. Catalano, J. Hubaud, V. Bartolomei, S. Motellier, et al.. Minimising the risk posed by TiO2 nanomaterials used in sunscreen throughout the entire product lifecycle. 28. SETAC Europe annual meeting, May 2018, Rome, Italy. ⟨ineris-01853357⟩

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