Variability of skin pH after the use of different collagen gels.

Abstract:

BACKGROUND:Skin pH is an important parameter indicating the condition of the skin because imbalance can contribute to the development of skin problems and earlier aging. Individual skin pH depends on many factors such as hydration, sweating, sebum excretion, genetics, sex, and age. Additionally, it can be affected by exogenous factors such as cosmetics. AIMS:The aim of the study was to compare different collagen gels and determine whether and to what extent they change the pH of the skin. PATIENTS/METHODS:Baseline skin pH was measured in 49 women aged between 19 and 23. It was measured again 20 and 60 minutes following of the application of four collagen gels. RESULTS:The mean physiological pH values of the forehead and cheek were 5.67 and 5.76, respectively. The analysis of variance and post hoc test revealed that gel no. 1, gel no. 2, and gel no. 3 (but not 4) significantly changed the skin pH. CONCLUSION:Collagen gel should be neutral for the skin barrier; however, most collagen skin care preparations significantly changed skin pH. Methods of processing and stabilizing the collagen may account for the difference in effect between gels, but further research is required.

journal_name

J Cosmet Dermatol

authors

Ciszek A

doi

10.1111/jocd.12303

subject

Has Abstract

pub_date

2017-12-01 00:00:00

pages

531-536

issue

4

eissn

1473-2130

issn

1473-2165

journal_volume

16

pub_type

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