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Cited by 527

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Penetration of Titanium Dioxide Microparticles in a Sunscreen Formulation into the Horny Layer and the Follicular Orifice

Lademann, Juergen, Weigmann, Hans-Juergen, Rickmeyer, Christiane, Barthelmes, Hans, Schaefer, Hans, Mueller, Gerhard, Sterry, Wolfram·1999·Skin Pharmacology and Physiology

Abstract

Coated titanium dioxide (TiO 2) microparticles are commonly used as UV filter substances in commercial sunscreen products. The penetration of these microparticles into the horny layer and the orifice of the hair follicle was investigated. The distribution of the microparticles in the horny layer was analyzed using the method of tape stripping in combination with spectroscopic measurements. Deeper layers of the stratum corneum were devoid of TiO 2 even after repetitive application of sunscreen preparation when analyzing interfollicular areas. Only in the areas of the pilosebaceous orifices could microparticles be identified. The penetration of TiO 2 was investigated in histological skin sections. A biopsy was taken from a skin area from which the horny layer had been removed by tape stripping. In isolated areas, a penetration of coated TiO 2 into the open part of the follicle was observed. The amount of TiO 2 found in a given follicle was less than 1% of the applied total amount of sunscreens. A penetration of microparticles into viable skin tissue could not be detected.

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Metadata

Authors
Lademann, J., Weigmann, H.-J., Rickmeyer, C., Barthelmes, H., Schaefer, H., Mueller, G., & Sterry, W.
Venue
Skin Pharmacology and Physiology
Publisher
S. Karger AG
Published
1999
Volume
12
Issue
5
Pages
247-256
ISSN
  • 1422-2868 (ISSN-L)
  • 1660-5527
  • 1660-5535
OpenAlex
W2010063869
Cited by
527
References
1
FWCI
3.48
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Penetration of Titanium Dioxide Microparticles in a Sunscreen Formulation into the Horny Layer and the Follicular Orifice. https://app.cochat.ai/papers/10.1159/000066249
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Lademann, J., Weigmann, H.-J., Rickmeyer, C., Barthelmes, H., Schaefer, H., Mueller, G., & Sterry, W. (1999). Penetration of Titanium Dioxide Microparticles in a Sunscreen Formulation into the Horny Layer and the Follicular Orifice. Skin Pharmacology and Physiology. https://doi.org/10.1159/000066249

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