Quantitative measurement of skin surface oiliness and shine using differential polarized images

Kohli, Indermeet; Kastner, Scott L.; Thomas, M.; Nahhas, Amanda F; Braunberger, Taylor L.; Mohammad, Tasneem F.; Nicholson, Cynthia L.; Canfield, Douglas; Kollias, Nikiforos; Lim, Henry W.; Hamzavi, Iltefat; Patwardhan, Sachin V.

doi:10.1007/s00403-020-02070-5

Cited by 6 publications

(8 citation statements)

References 10 publications

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“…Technology applied to health services is constantly evolving. For skin oiliness, for example, Kohli et al 23 and Mercurio et al 24 addressed techniques involving image analysis and computer interaction, indicating a strong correlation between such findings and those presented in clinical tests.…”

Section: Discussionmentioning

confidence: 99%

Intrareliability and Interreliability of Low-Cost Devices to Measure Skin Tone, Moisture, and Oiliness

Girasol

Rangon

Borsari

et al. 2023

Adv Skin Wound Care

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OBJECTIVE To evaluate the intraexaminer and interexaminer reliability of low-cost commercial devices to measure skin tone, moisture, and oiliness; determine associations with the Fitzpatrick Scale; and compare results with those of widely used commercial equipment. METHODS Researchers bilaterally collected a total of 36 samples from 18 participants. For data acquisition, two experienced raters were considered for skin index assessment. Evaluations were conducted independently, with measurements taken at two different times with an interval between them, thus enabling intrarater and interrater reliability measures. The measurements were made with two low-cost devices and compared with those acquired using standard equipment for such analyses. RESULTS For the intraexaminer reliability results, the authors observed intraclass correlation coefficient ranging from moderate to high reliability between these tools (0.747-0.971). Regarding interexaminer reliability, intraclass correlation coefficient ranging from moderate to high (0.541-0.939) were observed. For the results of the correlations, a moderate to a large association was observed for skin tone. However, a small association for moisture was observed among the tools. CONCLUSIONS Evaluations of skin tonality, oiliness, and moisture showed moderate to excellent intrareliability and interreliability. These methods can be applied in different environments, especially clinics, because of their low cost and ease of use.

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Section: Discussionmentioning

confidence: 99%

Intrareliability and Interreliability of Low-Cost Devices to Measure Skin Tone, Moisture, and Oiliness

Girasol

Rangon

Borsari

et al. 2023

Adv Skin Wound Care

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“…32,33 We discovered that the degree of dark circles increased with greater skin oiliness in the findings of the AI evaluation of user photos. 34,35 Pore issues exhibited a positive link with the severity of dark circles in the 0−3 range. Dark circles were, however, somewhat lessened when the pore issue was as severe as level 4.…”

Section: F I G U R Ementioning

confidence: 96%

Artificial intelligence analysis of over a million Chinese men and women reveals level of dark circle in the facial skin aging process

Li,

Ma,

et al. 2023

Skin Research and Technology

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BackgroundTo better compare the progression of dark circles and the aging process in Chinese skin. A total of 100 589 Chinese males and 1 838 997 Chinese females aged 18 to 85, without facial skin conditions, and who had access to a smartphone with a high‐resolution camera all took selfies.MethodUsing a smartphone application with a built‐in artificial intelligence algorithm, facial skin diagnostic evaluated the selfies and score the severity of the dark circles with four other facial indicators (including skin type, Pores, Acne vulgaris, and Blackheads). Basic information was collected with online questionnaire, including their age, gender, skin sensitivity, and dietary habits.ResultsIn users between the age of 18 and 59, the prevalence of comprehensive, pigmented, and structural type of dark circles all rose with age. However, between the age of 60 and 85, the intensity of all types of dark circles diminished. Besides, vascular dark circles progressively worsen from the age of 18 to their peak at 39, and then gradually decline with age. Females typically have more pronounced black circles under their eyes than males in China. Bad eating habits, urbanization, regular cosmetics use, and sensitive skin positively correlate with severe dark circles. Vascular, comprehensive dark circles were worse in spring. Both pigmented and structural dark circles were worse in the summer. The results indicated that the intensity of dark circles was influenced by oily skin, wide pores, severe blackheads, and severe acne.ConclusionsChinese men and women differed noticeably in the prevalence of each face aging indicator and the appearance of aging dark circles. Selfies could be automatically graded and examined by artificial intelligence, which is a quick and private method for quantifying signs of facial aging and identifying major problems for different populations. Artificial intelligence would assist in the development of individualized preventive and therapeutic interventions.

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“…Sebum levels were measured via the presence of the sebum derivative, protoporphyrin IX (PP9), which fluoresces at 405 ± 10 nm light and correlates with other sebum measurements 3 . Shine, a photographic measurement capturing light reflection from superficial skin oiliness, was measured from regular photographs and expressed as a normalized percentage 4 . Given the exploratory nature of the study and uncertainty of proportion of patients with acne who would enroll, no formal sample size calculation was performed for the IRB‐approved protocol.…”

Section: Brief Reportmentioning

confidence: 99%

“…3 Shine, a photographic measurement capturing light reflection from superficial skin oiliness, was measured from regular photographs and expressed as a normalized percentage. 4 Given the exploratory nature of the study and uncertainty of proportion of patients with acne who would enroll, no formal sample size calculation was performed for the IRB-approved protocol. Estimated enrollment was 10-30 subjects.…”

Section: B Rief Rep Ortmentioning

confidence: 99%

Effects of swimming on facial sebum in adolescents

Morss-Walton

Kimball

Santillan

et al. 2021

Pediatric Dermatology

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Swimmers often complain of dry skin, consistent with decreased skin sebum levels, and yet may also have acne, which is commonly related to elevated sebum levels.Sixteen adolescent swimmers with and without acne were enrolled to examine two markers of facial sebum levels before and after 1 hour of swimming. Swimmers with acne did not have significant decreases in their sebum levels or shine measurements after swimming, whereas swimmers without acne did. Overall, swimming may remove superficial sebum more than follicular sebum and therefore leave swimmers subject to both dry skin and acne simultaneously.

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Quantitative measurement of skin surface oiliness and shine using differential polarized images

Cited by 6 publications

References 10 publications

Intrareliability and Interreliability of Low-Cost Devices to Measure Skin Tone, Moisture, and Oiliness

Intrareliability and Interreliability of Low-Cost Devices to Measure Skin Tone, Moisture, and Oiliness

Artificial intelligence analysis of over a million Chinese men and women reveals level of dark circle in the facial skin aging process

Effects of swimming on facial sebum in adolescents

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