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research Role of Lipids in Water Permeation of Different Curl Pattern Hair Types

September 2025 in “Cosmetics”

In this study, researchers found that the lipid composition in hair significantly affects water diffusion and may explain differences in dyeing and cosmetic treatment responses between Asian and European hair, with CP2 fibers having more lipids than CP3 fibers.

research How different is human hair? A critical appraisal of the reported differences in global hair fibre characteristics and properties towards defining a more relevant framework for hair type classification

8 citations , November 2022 in “International Journal of Cosmetic Science”

This review discusses the limitations of current hair classification systems and highlights the need for standardized reporting of key hair characteristics to improve study comparisons; it reports no new results.

research FUE, Sapphire FUE, DHI, and FUT Graft Survival by Norwood Stage and Donor Difficulty (Hair Type): A Retrospective Cohort Study at Vera Clinic

September 2026 in “International Journal of Innovative Science and Research Technology (IJISRT)”

This study evaluated hair transplant techniques, finding that graft survival and follicular transection rates vary with both hair-loss severity and donor-site extraction difficulty.

research Faculty Opinions recommendation of Autosomal-dominant woolly hair resulting from disruption of keratin 74 (KRT74), a potential determinant of human hair texture.

May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”

A mutation in the KRT74 gene causes woolly hair by affecting hair texture.

research Curl secret in cells

March 2018 in “Journal of Experimental Biology”

This study found that the curl in hair is due to the arrangement of different cell types, with shorter paracortical cells inside the curve and longer orthocortical cells outside.

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community Evaluating Hair Regrowth Possibilities After Long-Term Hair Loss

in Basic Questions 229 upvotes 5 months ago

The user is concerned about hair loss and is considering treatments like finasteride and minoxidil but is unsure about their effectiveness and side effects. They have experienced mixed reactions to shaving their head and are struggling with confidence due to balding.

community What Are the Technicalities of Curved Hair Transplantation?

4 upvotes 6 months ago

Curved hair transplantation requires specialized tools and techniques to avoid damaging hair follicles, with modified FUE being the preferred method. Proper extraction and implantation angles are crucial to prevent complications like keloids and sterile folliculitis.

community Finasteride saved my hair and made it curly/wavy

in Progress Pictures 277 upvotes 10 months ago

Finasteride improved hair density and changed hair texture from wavy to curly for the user. The user took 1mg of oral finasteride daily without using minoxidil.

community How much difference hair fibers and mousse make

in Styling 1459 upvotes 1 year ago

The user applies Rogaine foam, Toppik hair fibers, and Tresemme mousse to improve hair appearance and has restarted finasteride after a year off. They are considering a hair transplant and are working on self-esteem related to hair loss.

community early 20s, hair thinning, looking for natural remedies not expensive soaps

in Female 3 months ago

The user is experiencing hair thinning and prefers natural remedies over expensive shampoos. Other users suggest that natural remedies are ineffective and recommend medications like minoxidil and finasteride, while also considering diet and lifestyle changes.

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