Penetration study of oils and its formulations into the human hair using confocal microscopy

Srivastav, Ashu; Dandekar, Prajakta; Jain, Ratnesh

doi:10.1111/jocd.12918

Cited by 12 publications

(8 citation statements)

References 16 publications

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“…Shampoo is one of the most popular hair care products. 31 Nowadays, in addition to its primary function which is to wash the hair, shampoos are endowed with revitalising properties and beautify the hair. 32 Nearly 30.5% of women used natural oils and 45.3% associated natural oils with industrial oils.…”

Section: Discussionmentioning

confidence: 99%

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Hair care and epidemiological‐clinical profile of traction alopecia among women in hair salons in Yaoundé, Cameroon

Nzeng

Nguefack‐Tsague

Kotto

et al. 2022

Skin Health and Disease

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Background Hair is valued by all individuals especially women. The perception of beauty is specific to everyone. In order to fulfil their ideal beauty, women use various methods to modify their hair's appearance. Afro hair is particularly fragile, so using these methods can be particularly deleterious for black women's hair. Objectives Describe hair care practices of women living in Yaoundé, determine the prevalence of traction alopecia (TA) and describe its clinical profile. Methods We carried out a cross‐sectional study in hairdressing saloon in Yaoundé. A questionnaire was administered and scalp exams were performed to determine Marginal TA severity score. Results We included 223 women with a mean age of 24.9 ± 7 years. The prevalence of TA was 34.5%. Mild and moderate stages were most represented. As far as haircare is concerned, extensions were regularly used by 95.1% of participants. Wigs were regularly worn by 58.7% of participants. Chemical hair straightening was done by 87.9% of women and was performed twice to thrice a year by 43.9%. Almost 76% of women used hair straightener and hair dryer. Hair washing was done monthly by 43.8% of participants and the main cosmetic used was shampoo (75.3%). Conclusion Traction alopecia is a very common disease in women living in Yaoundé. Extensions, wigs and shampooing are their main hair care practices.

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Section: Discussionmentioning

confidence: 99%

“…Shampoo was the product used by 75.3% of participants. Shampoo is one of the most popular hair care products 31 . Nowadays, in addition to its primary function which is to wash the hair, shampoos are endowed with revitalising properties and beautify the hair 32 .…”

Section: Discussionmentioning

confidence: 99%

Hair care and epidemiological‐clinical profile of traction alopecia among women in hair salons in Yaoundé, Cameroon

Nzeng

Nguefack‐Tsague

Kotto

et al. 2022

Skin Health and Disease

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“…Srivastav et al have employed laser scanning confocal microscope observation using Nile Red as a dye to assess the penetration of oils into human hair 42) . It was observed that rice bran oil exhibited only 14％ penetration, while light liquid paraffin oil exhibited 75％ penetration.…”

Section: Visualization and Controlled Delivery Of Additivesmentioning

confidence: 99%

Recent Progress in Hair Science and Trichology

Uyama

2024

J. Oleo Sci.

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IntroductionHuman scalp hair has a lot of important functions. Seasonal variations in hair growth and goosebumps caused by cold stimuli or emotions point to its evolutionary history 1,2) . The main function of hair is to protect our head and neck from sunlight (mainly UV rays) , thermal pain (extreme heat/cold) , and physical damage 3,4) . Hair is also essential as an excretory system for trace metals and acts as an accumulating tissue. Thus, the metal content in hair can reflect the body s condition for a long period, recording the history of personal exposure to metals 5−8) . Last but not least, hair style is deeply tied to gender 9−12) , religion, and culture, as we arrange our hair as we want to complete our entire look. It is said that the first barbering services were performed in ancient Egypt in 5000 B.C. with tools made from oyster shells or sharpened flint. In ancient Egyptian culture, barbers were highly respected individuals and surgeons were said to also serve as barbers. In addition to this, the earliest records on the usage of henna as a hair dye go back to ancient Egypt, where people used henna to decorate and color their hair and nails 13) . In Japan, people

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“…The results revealed that mineral oils had a better hair penetration ability than vegetable oils. Final formulations, containing oils and excipients, showed higher oil permeation ability, highlighting the influence that could be exerted by excipients [24].…”

Section: Microscopymentioning

confidence: 99%

Brief descriptions of the principles of prominent methods used to study the penetration of materials into human hair and a review of examples of their use

Lourenço

Fava

Santos

et al. 2021

Intern J of Cosmetic Sci

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Consumers are attracted to the latest fashion trends and different looks. This drives the search for novel hair treatments. Some chemicals present in hair treatment products can penetrate the hair shaft. These materials can either nourish or injure the hair cortex. Different techniques have been used to investigate the mechanism of molecule penetration and the conditions under which penetration occurs. This article reviews the techniques applied for this purpose. Various microscopy techniques are used to capture clear and colourful images to determine the diffusion pathways and the exact location of the molecules under study. However, the laborious sample preparation often leads to sample destruction since cross‐sectioning is often required. While various other techniques have been successfully used for investigating the penetration methods, most of these require different amounts of work to be put in for sample preparation and instrumentation. Several spectroscopic techniques have been used to study the penetration of the molecules because of the high levels of accuracy and the quick response time of these techniques. Moreover, the samples are not damaged during the investigation.

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Penetration study of oils and its formulations into the human hair using confocal microscopy

Cited by 12 publications

References 16 publications

Hair care and epidemiological‐clinical profile of traction alopecia among women in hair salons in Yaoundé, Cameroon

Hair care and epidemiological‐clinical profile of traction alopecia among women in hair salons in Yaoundé, Cameroon

Recent Progress in Hair Science and Trichology

Brief descriptions of the principles of prominent methods used to study the penetration of materials into human hair and a review of examples of their use

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