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Evaluation of a topical treatment for the relief of sensitive skin

Authors Heinicke I, Adams D, Barnes T, Greive K

Received 28 April 2015

Accepted for publication 25 June 2015

Published 27 July 2015 Volume 2015:8 Pages 405—412

DOI https://doi.org/10.2147/CCID.S87509

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 5

Editor who approved publication: Dr Jeffrey Weinberg

Ingrid R Heinicke,1 Damian H Adams,2 Tanya M Barnes,1 Kerryn A Greive1

1Ego Pharmaceuticals, Braeside, VIC, Australia; 2Mawson Institute, University of South Australia, Mawson Lakes, SA, Australia

Background: Approximately, 50% of the population claim to have sensitive skin, which has created an important challenge for dermatologists and the cosmetic industry. This study evaluates the properties of QV Face Rescue Gel (Rescue Gel) that contains a combination of moisturizing and anti-irritant ingredients, and which is used to relieve the symptoms of sensitive facial skin.
Methods: The ability of Rescue Gel to induce collagen types I and III in cultured neonatal human foreskin fibroblasts compared to transforming growth factor beta 1, a known potent inducer of collagen types I and III, was measured using immunofluorescence staining. Furthermore, healthy volunteers were recruited to measure the potential for Rescue Gel to reduce erythema induced by solar-simulated ultraviolet radiation on the skin compared to 0.5% hydrocortisone cream (positive control) as well as it's ability to decrease transepidermal water loss compared to baseline levels. In addition, the formulation was tested for its potential to be 1) nonstinging using a facial sting/discomfort assay performed on volunteers who reacted positively to lactic acid, 2) nonirritating as determined by repeat insult patch tests, and 3) noncomedogenic.
Results: Rescue Gel significantly induced collagen types I and III in cultured human foreskin fibroblasts similarly to transforming growth factor beta 1. In volunteers, Rescue Gel was shown to significantly reduce erythema induced by solar-simulated ultraviolet radiation similarly to 0.5% hydrocortisone, and to significantly reduce transepidermal water loss compared to baseline levels. Further, the formulation was found to be nonstinging, nonirritating, and noncomedogenic. No adverse events were observed.
Conclusion: In this study, Rescue Gel has been shown to exhibit properties that make it effective for use on sensitive or irritated facial skin, without exacerbation of the symptoms associated with sensitive skin.

Keywords: sensitive skin, inflammation, moisturization, collagen, erythema

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