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Glossary Cysteic Acid

compound formed when cysteine oxidizes, indicating hair damage

Cysteic acid is a compound that forms when the amino acid cysteine undergoes oxidation. In the context of hair, it can result from chemical treatments like bleaching or perming, which can damage the hair's protein structure. For professionals, it's important to note that the presence of cysteic acid indicates oxidative stress and potential weakening of the hair fiber.

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Research

5 / 1000+ results

research Evaluation of Cysteic Acid in Bleached Hair Using Infrared Spectroscopy

8 citations , January 2016 in “Journal of fiber science and technology”

This study found that cysteic acid generation during hair bleaching is diffusion-controlled, increasing with the square root of bleaching time, in both cuticles and cortex of human hair fibers.

research Metabolomic analysis of amino acids and lipids in human hair altered by dyeing, perming and bleaching

24 citations , April 2016 in “Experimental Dermatology”

This study found that chemical treatments like perming, dyeing, and bleaching significantly alter amino acids and lipids in human hair, which may impact hair strength and quality.

research Ursolic acid, a pentacyclic triterpene from Ochrosia elliptica Labill leaves and its role in the management of polycystic ovary syndrome (PCOS)

March 2026 in “Inflammopharmacology”

This study found that ursolic acid at 50 mg/kg improved biochemical, hormonal, and ovarian histopathological markers in a rat model of PCOS, suggesting its potential as a therapeutic option.

research Dermatitis as a Presenting Sign of Cystic Fibrosis

72 citations , October 1992 in “Archives of Dermatology”

This study describes five patients whose cystic fibrosis was initially indicated by a rash associated with protein-energy malnutrition, highlighting the importance of early symptom recognition for timely diagnosis and treatment.

research Nutraceutical Intervention of Seeds in the Treatment of Poly Cystic Ovarian Syndrome; A Systematic Review

1 citations , December 2021 in “Pakistan biomedical journal”

This review explores the effectiveness of seed cycling, a modern alternative medicine approach, in treating polycystic ovary syndrome and reports no new clinical results.

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Community Join

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community Derma Harmony Sulfur/salicylic acid soap bar shampoo, it caused major hair loss shedding and oily scalp with acne breakout

2 upvotes 1 year ago

The Derma Harmony Sulfur/Salicylic acid soap bar shampoo caused significant hair shedding, oily scalp, and cystic acne. The user experienced better results with rosemary shampoo.

community for those whose hair loss started with accutane

in Chat 18 upvotes 1 year ago

Accutane use led to hair loss and seborrheic dermatitis for many, with treatments like dutasteride, minoxidil, and Nutrafol being used to manage symptoms. Some users reported improvement, while others experienced persistent issues or side effects from treatments like finasteride.

community Minox 3mg, Finasteride 1.2mg (6 month perfect adherence)

370 upvotes 5 months ago

Significant hair improvement was achieved using 3mg Minoxidil and 1.2mg Finasteride over six months, with no side effects, leading to reconsideration of a hair transplant. A detailed skincare routine, including tretinoin and SPF, also improved skin appearance.

community One year on finasteride has reversed some aging

in Chat 198 upvotes 11 months ago

Finasteride and minoxidil use resulted in a more youthful appearance and improved skin. There is debate about their effects on collagen and skin aging, with no solid evidence supporting significant changes due to finasteride.

community Finally Scalp Folliculitis-Free after 2 Decades of Suffering

64 upvotes 1 year ago

A 37-year-old male resolved scalp folliculitis by adopting a low-histamine diet and taking Vitamin A, Zinc, and Fish Oil, leading to better skin health and thicker hair. He warns about the potential toxicity of excessive Vitamin A intake.

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learn L-cysteine

learn acetyl cysteine

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