Talk:4-Aminobenzoic acid

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Please help improve this article or section by expanding it. Further information might be found on the talk page or at requests for expansion. (January 2007)

The article mentions that this acid is used in sunscreen, but doesn't indicate why. Some readers, such as myself, might be interested in this. func(talk) 01:38, 13 Nov 2004 (UTC)

This article says with no citation that PABA increases the risk of skin cancer. If no citation is giving within the next few days/weeks, I think the statement should be removed. Ralphael 16:50, 28 March 2006 (UTC)

• I added a link and clarified the statement. If not sufficient please add back the tag.--Isotope23 13:58, 11 April 2006 (UTC)

The article says "In the past, PABA has been widely .... However, it has been determined that ... increasing the risk of skin cancer ... Currently, safer and more effective derivatives of PABA ... are more commonly used." This could be taken to imply the cancer risk is why its use discontinued, which is inconsistent with the external website that says it was stopped due to allergies and staining. PhiTower 20:28, 26 July 2006 (UTC)

This acid is commonly marketed with claims it can restore the natural colour of hair in cases where greying is caused by vitamin deficency or stress. I would be interested in some mention on the veracity of such statements, and reference to clinical trials.