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research Straight to the Point: What Do We Know So Far on Hair Straightening?

4 citations , January 2021 in “Skin appendage disorders”

This review discusses hair straightening techniques, products, and safety risks, providing guidance for dermatologists to advise patients effectively; it reports no new clinical results.

research #3665 Glyoxylic acid induce crystalline nephropathy and hair-straightening products: a case report

October 2025 in “Nephrology Dialysis Transplantation”

In this case report, a young woman experienced acute kidney injury linked to the use of a hair straightening product containing glyoxylic acid, suggesting dermal absorption may lead to calcium oxalate nephropathy; this highlights the need for regulatory review and public health intervention.

research Effets indésirables des soins capillaires chez les utilisateurs

11 citations , June 2018 in “Annales de dermatologie et de vénéréologie”

This narrative review discusses adverse reactions associated with hair care products, specifically irritation dermatitis and allergic contact eczema, and suggests the need for attention to common allergens like PPD, GMTG, and ammonium persulphate.

research Notes from the Editor Emeritus

May 2014 in “Hair transplant forum international”

This article describes the diagnostic process and rewards of evaluating female hair loss but reports no new clinical findings.

research Brazilian keratin hair treatment: a review

40 citations , June 2013 in “Journal of cosmetic dermatology”

This review discusses the widespread use of Brazilian keratin treatments and notes that many contain formaldehyde, marketed as safe despite potential safety concerns, but reports no new clinical results.

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community Frizzy hair what products should I use?

2 upvotes 2 years ago

The user is seeking advice for frizzy hair, having tried coconut oil without success and considering Olaplex products. They are looking for effective product recommendations.

community Can hair thinning be reversed?

in Finasteride/Dutasteride 36 upvotes 2 years ago

The conversation is about the effectiveness of Dutasteride (Dut) and Minoxidil (Min) in reversing hair thinning. The user has been using Dut for 3 months and Min for a couple of years, and while hair fall has reduced, thinning continues. Other users suggest that Dut can reverse hair thinning over time, possibly beyond a year, and the outcome depends on individual body reactions and the degree of hair miniaturization.

community Even Sir David Beckham uses wig/ hair fibers. this is news to me.

in Chat 83 upvotes 1 month ago

David Beckham uses hair fibers or a wig, possibly due to exhaustion of other hair loss treatments like transplants, Minoxidil, and finasteride. Despite access to top treatments, maintaining the appearance of good hair is challenging, and some suggest he should embrace baldness.

community 11.5 Months after Hair Transplant - 3361 grafts - Dr. Thiago Bianco Leal

329 upvotes 4 years ago

A hair transplant of 3361 grafts, 11.5 months after the procedure, that resulted in a very natural looking NW1 hairline; the person who underwent this procedure has not experienced any hair loss and is expecting to have no future hairloss either.

community 28M hair transplant results, 6 months later. 3633 grafts via FUE

475 upvotes 5 years ago

28M shares hair transplant results 6 months after 3633 grafts via FUE by Dr. Rahal in Ottawa, costing ~$24k CAD. Users discuss the impressive results, procedure experience, and cost breakdown.

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas