Subjective and objective assessment of color match of universal tinted sunscreens in Fitzpatrick skin phototypes I-VI.

IF 2.5 4区医学 Q2 DERMATOLOGY Photodermatology, photoimmunology & photomedicine Pub Date : 2024-09-01 DOI:10.1111/phpp.12992

Redina Bardhi, Mohsen Mokhtari, Mavra Masood, Deena Abdel-Gadir, Dorothea McGowan, Olivia Failla, Iltefat H Hamzavi, Henry W Lim, Indermeet Kohli, Tasneem F Mohammad

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Abstract

Background: Tinted sunscreens not only shield against UV rays but also provide protection against visible light, as opposed to traditional sunscreens. Universal tinted sunscreens are marketed to complement all skin tones.

Objective: To assess color match and subject satisfaction for 7 universal tinted sunscreens across various price ranges in all Fitzpatrick skin phototypes (SPT).

Methods: Products A-G were applied at concentrations of 1 and 2 mg/cm² on the dorsal arms of 30 subjects spanning SPT I-VI. Photography, colorimetry, and subject and investigator surveys were utilized to determine color match.

Results: Using colorimetry analysis at the recommended 2 mg/cm² concentration, two of seven products were identified as suitable matches for SPT I-II, while six out of seven were determined to be a good match for SPT III-IV. However, only one product was found to be a good match for SPT V-VI at the recommended concentration according to colorimetry results.

Conclusion: Universal tinted sunscreens do not provide an adequate color match for all skin phototypes, especially for individuals with very fair or very dark skin tones.

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Fitzpatrick I-VI 型皮肤对通用有色防晒霜颜色匹配的主观和客观评估。

背景：与传统防晒霜相比，有色防晒霜不仅能抵御紫外线，还能抵御可见光。市场上销售的通用有色防晒霜可与所有肤色搭配：目的：评估不同价位的 7 种通用有色防晒霜在所有菲茨帕特里克皮肤光型（SPT）中的色彩匹配度和受试者满意度：方法：在 30 名 SPT I-VI 型受试者的手臂背面涂抹浓度为 1 和 2 mg/cm2 的产品 A-G。利用摄影、比色法以及受试者和研究人员调查来确定颜色匹配度：使用建议浓度为 2 毫克/平方厘米的比色法进行分析，发现七种产品中有两种适合 SPT I-II，七种产品中有六种适合 SPT III-IV。然而，根据比色法的结果，只有一种产品在推荐浓度下与 SPT V-VI 相匹配：结论：通用有色防晒霜并不能为所有皮肤光型提供足够的颜色匹配，尤其是对于肤色非常白或非常黑的人。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Photodermatology, photoimmunology & photomedicine 医学-皮肤病学

CiteScore

4.40

自引率

7.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal is a forum for new information about the direct and distant effects of electromagnetic radiation (ultraviolet, visible and infrared) mediated through skin. The divisions of the editorial board reflect areas of specific interest: aging, carcinogenesis, immunology, instrumentation and optics, lasers, photodynamic therapy, photosensitivity, pigmentation and therapy. Photodermatology, Photoimmunology & Photomedicine includes original articles, reviews, communications and editorials. Original articles may include the investigation of experimental or pathological processes in humans or animals in vivo or the investigation of radiation effects in cells or tissues in vitro. Methodology need have no limitation; rather, it should be appropriate to the question addressed.