Impact of Acid (”Progressive Brush”) and Alkaline Straightening on the Hair Fiber Article Swipe
Maria Valéria Robles Velasco
,
Tânia Cristina de Sá-Dias
,
Michelli Ferrera Dario
,
Valcinir Bedin
,
Marjory Bernardes Fileto
,
Andressa Costa de Oliveira
,
Claudinéia Aparecida Sales de Oliveira Pinto
,
André Rolim Baby
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.4103/ijt.ijt_158_20
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.4103/ijt.ijt_158_20
Background: Glyoxylic acid has emerged as a safe alternative to formol (formaldehyde) use as a hair straightener/relaxer. However, the possible damage to the hair fiber after its application is low known and/or published in the literature. Aims: This work aims to characterize hair locks treated with glyoxylic acid compared to traditional alkaline straighteners such as sodium and guanidine hydroxide and ammonium thioglycolate. Materials and Methods: The morphology of the hair cuticles was observed by scanning electron microscopy. Protein loss was assessed by the Lowry method modified by Peterson and as mechanical properties that were expressed in terms of tensile strength. Results: All products (sodium and guanidine hydroxides and ammonium thioglycolate) caused protein loss of about 2.5 μg/g, except glyoxylic acid that caused the worst damage (3.5 μg/g), in relation to the untreated (virgin) hair (1.12 μg/g), indicating that the chemical treatments can cause hair damage in both cuticles and cortex. The force to break the fibers treated with traditional straighteners based on sodium hydroxide, guanidine hydroxide, and ammonium thioglycolate was statistically the same. Conclusion: The treatment with glyoxylic acid showed rupture tensile statistically equivalent to the alkaline straighteners. The mechanism of action of glyoxylic acid does not appear to be based on breaking and rearrangement of disulfide bridges, but altered them, that influenced the hair strength. However, it is also essential to consider other factors relevant: technical application technique, reaction time, and interval of reapplication of the product, as this can change the pattern of the results obtained.
Related Topics
Concepts
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.4103/ijt.ijt_158_20
- OA Status
- green
- Cited By
- 5
- References
- 10
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4324126921
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4324126921Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.4103/ijt.ijt_158_20Digital Object Identifier
- Title
-
Impact of Acid (”Progressive Brush”) and Alkaline Straightening on the Hair FiberWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-11-01Full publication date if available
- Authors
-
Maria Valéria Robles Velasco, Tânia Cristina de Sá-Dias, Michelli Ferrera Dario, Valcinir Bedin, Marjory Bernardes Fileto, Andressa Costa de Oliveira, Claudinéia Aparecida Sales de Oliveira Pinto, André Rolim BabyList of authors in order
- Landing page
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https://doi.org/10.4103/ijt.ijt_158_20Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://www.ncbi.nlm.nih.gov/pmc/articles/10075350Direct OA link when available
- Concepts
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Glyoxylic acid, Sodium hydroxide, Ammonium hydroxide, Chemistry, Ultimate tensile strength, Ammonium, Formaldehyde, Fiber, Guanidine, Nuclear chemistry, Sodium, Ammonium sulfate, Biochemistry, Chromatography, Organic chemistry, Materials science, Composite materialTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
5Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 2Per-year citation counts (last 5 years)
- References (count)
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10Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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