Abstract Title:

A pilot study on the percutaneous absorption of microfine titanium dioxide from sunscreens.

Abstract Source:

Australas J Dermatol. 1996 Nov;37(4):185-7. PMID: 8961584

Abstract Author(s):

M H Tan, C A Commens, L Burnett, P J Snitch

Article Affiliation:

Department of Dermatology, Westmead Hospital, New South Wales, Australia.


Many Australians are being advised to apply microfine titanium dioxide sunscreen daily from the cradle to the grave. However, there is a surprising lack of data on the percutaneous absorption of microfine titanium dioxide. A prospective pilot study was conducted to analyse the percutaneous absorption of microfine titanium dioxide from sunscreens. Selected patients scheduled to have skin surgery, applied titanium dioxide sunscreen to the skin daily for 2-6 weeks prior to their operation. After excision, the stratum corneum of the sample was stripped and the titanium concentration of the remaining epidermis and dermis was measured by inductively coupled plasma-mass spectrometry. The results from this pilot study showed that levels of titanium in the epidermis and dermis of subjects who applied microfine titanium dioxide to their skin were higher than the levels of titanium found in controls. Studies with larger cohorts are necessary to establish if this absorption is statistically significant.

Study Type : Human Study
Additional Links
Anti Therapeutic Actions : Nanotechnology : CK(80) : AC(33)
Adverse Pharmacological Actions : Bioaccumulator : CK(115) : AC(32)

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