Increased Skin Irritation by Hydroquinone and Rsetinoic Acid Used in Combination.

Conclusion: The results of patch tests and in vitro irritation assessment tests suggested that HQ and RA increased skin irritation when used in combination. PMID: 29200759 [PubMed]

https://www.ncbi.nlm.nih.gov/pubmed/29200759?dopt=Abstract

Source: Annals of Dermatology - December 5, 2017 Category: Dermatology Tags: Ann Dermatol Source Type: research

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