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research Hair perming via thiol‐Michael click reaction: A strategy to avoid oxidative damage

April 2025 in “International Journal of Cosmetic Science”

This study found that using 1,4-butylenediamine bismaleimide for hair perming through thiol-Michael click chemistry offers comparable efficiency to conventional oxidative methods, with enhanced durability and reduced damage to hair fibres, preserving mechanical, color, and surface properties.

research The co-expression pattern of VEGFR-2 with indicators related to proliferation, apoptosis, and differentiation of anagen hair follicles

January 2023 in “Open Life Sciences”

This study found that VEGFR-2 activation may play a role in hair follicle differentiation, proliferation, and apoptosis by co-expressing with several key proteins in normal human scalp skin.

research The effect of glycyrrhizic acid and aqueous licorice extract on hair growth retardation : in vitro mechanistic and efficacy studies in human

January 2016

This study found that gels containing glycyrrhizic acid and aqueous Glycyrrhiza glabra extract significantly reduced underarm hair growth in terms of area, thickness, length, and number compared to their gel bases.

research Variation in the Exon 3–4 Region of Ovine KRT85 and Its Effect on Wool Traits

1 citations , August 2024 in “Animals”

This study suggests that variations in α-keratin proteins influence the structure and characteristics of wool fibers, indicating that keratin genes could serve as useful markers for identifying different wool traits.

research An Open-Label Comparative Study on the Effects of Platelet-Rich Plasma Therapy with Hydroquinone 4% Versus Hydroquinone 4% Alone in Melasma

January 2024 in “Dermatology Review”

This study found that combining platelet-rich plasma with 4% hydroquinone was more effective in reducing melasma symptoms than using hydroquinone alone.

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Community Join

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community Dermaroll/ needle/ stamp when did you begin to see progress?

in Microneedling 21 upvotes 2 years ago

Users discussed their experiences with microneedling for hair loss, noting that visible progress typically starts after 1-4 months. Some combined microneedling with Minoxidil for better results.

community 1 year on fin, before and after

in General 45 upvotes 1 year ago

The user has been using finasteride three times a week for a year and plans to add minoxidil to improve hair regrowth. They are seeking opinions on any noticeable new hair growth.

community Trialing the probiotics BB536, PTA 6475 so you don’t have to

75 upvotes 1 year ago

Probiotics like L. reuteri ATCC PTA 6475 and B. longum BB536 may improve hair growth and density by reducing inflammation and reversing DHT damage. The user is trialing these probiotics personally, ordering them from the U.S. to Canada, and plans to continue if no adverse effects occur.

community New BBC article on Finasteride just dropped

in Chat 318 upvotes 1 year ago

Finasteride and minoxidil are discussed as hair loss treatments, with mixed opinions on side effects like sexual dysfunction and mood changes. Some users report positive results, while others express concerns about potential risks and insufficient information.

community How come Dut doesn’t cause more brain problems than fin if it inhibits Type 1 5AR?

in Finasteride/Dutasteride 22 upvotes 2 years ago

Dutasteride and finasteride have similar risk profiles despite Dutasteride blocking more types of 5AR in the brain. Some users report no mood issues with either drug, and it is suggested that Dutasteride's larger molecular size may limit its ability to cross the blood-brain barrier.

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Learn

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learn Hair Transplant

How long does a hair transplant procedure take? A hair transplant procedure typically takes 4 to 8 hours.
What results can I expect from a hair transplant? Clinics say new hair usually starts growing around 3 to 4 months after surgery, with full results after about a year or longer. Results vary.
How much do 2000 hair grafts cost? Quoted prices for 2,000 grafts vary widely by country and clinic. The ISHRS advises checking very low prices carefully, including who will perform the surgery.
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learn Scalp Micropigmentation

How long does Scalp Micropigmentation last, and does it need touch-ups over time? Providers say SMP usually needs a touch-up every 1 to 5 years. It fades but does not fully disappear, and removal needs laser treatment that may be incomplete.

learn Thymosin Beta 4

learn Stem Cell Factor

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