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GlossaryHair Bleaching (bleach)

chemical process lightening hair by breaking down melanin pigment

Hair bleaching is a chemical process that lightens the natural color of hair by breaking down the melanin pigment within the hair shaft. This is typically achieved using a mixture of hydrogen peroxide and ammonia, which opens the hair cuticle and allows the bleaching agents to penetrate and dissolve the color molecules. The result is lighter hair, which can range from a subtle lift in color to a platinum blonde, depending on the duration and strength of the bleaching process.

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Research

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research Failure of Intercellular Adhesion in Hair Fibers Regarding Hair Condition and Strain Conditions

7 citations , November 2004 in “International Journal of Cosmetic Science”

Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.

research Patch Testing With Hair Cosmetic Series in Europe: A Critical Review and Recommendation

47 citations , June 2015 in “Contact Dermatitis”

A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.

research Modification of Wheat Gluten for Improvement of Binding Capacity with Keratin in Hair

10 citations , February 2018 in “Royal Society Open Science”

Modified wheat protein in shampoo repairs and smooths damaged hair effectively.

research Raman Spectroscopy and Electronic Microscopy Structural Studies of Caucasian and Afro Human Hair

25 citations , May 2019 in “Heliyon”

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

research Immunocosmeceuticals: An Emerging Trend in Repairing Human Hair Damage

1 citations , January 2013 in “Chronicles of young scientists”

Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.

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Community Join

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community Have you tried putting unconventional things on to your scalp ?

in Technology 3 upvotes 3 years ago

The conversation is about trying unconventional treatments for hair loss, such as green tea, coffee, cocoa, multivitamin pills, red wine, onion, honey, herbs, and hydrogen peroxide. The user is seeking feedback on these methods to avoid ineffective ones.

community DHT Harms Scalp Microbiome: DHT Itch is REAL

in Research/Science 413 upvotes 11 months ago

Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.

community Finasteride and Metformin together?

in Finasteride/Dutasteride 1 upvotes 2 years ago

The conversation is about whether it's safe to take Metformin for weight loss and Finasteride together, with the concern that Finasteride is not commonly used for hair loss treatment in the user's location, and their doctor is not knowledgeable about it.

community Regrowth or continued regrowth or continued thinning? [Dutasteride+Oral minoxidil]

in Progress Pictures 35 upvotes 3 years ago

A user's concern with their hair thinning while using dutasteride and oral minoxidil, which was switched from finasteride and topical minoxidil after 13 months. The conversation includes advice surrounding potential results, specific treatments used, and side effects.

community What should I do?

Mr_DeadPool in General 55 upvotes 11 months ago

The user is considering starting minoxidil or getting their scalp checked for permanent scarring due to noticing thinner hair after bleaching. They are seeking advice on hair loss remedies.

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