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research Epidermal growth factor delays the development of the epidermis and hair follicles of mice during growth of the first coat

72 citations , January 1983 in “The Anatomical Record”

This study found that epidermal growth factor treatment in male mice delayed normal skin development, inhibiting hair growth and follicle development by maintaining birth-level cell proliferation and differentiation for several days.

research Trypsin-induced follicular papilla apoptosis results in delayed hair growth and pigmentation

29 citations , April 1997 in “Developmental Dynamics”

This study found that topical trypsin application after hair removal in mice led to cell death at the follicular papilla, which delayed hair growth and pigmentation.

research Trypsin‐induced follicular papilla apoptosis results in delayed hair growth and pigmentation

3 citations , April 1997 in “Developmental Dynamics”

In this study, topical trypsin treatment following depilation in a mouse model induced cell death at the follicular papilla, delaying hair growth and pigmentation.

research Hair growth induction by the tellurium immunomodulator AS101: association with delayed terminal differentiation of follicular keratinocytes and ras‐dependent up‐regulation of KGF expression

51 citations , December 2003 in “The FASEB Journal”

This study reports that AS101 induced hair growth in mice and suggests potential for treating chemotherapy-induced alopecia in humans, which was observed in case report studies with three adolescents.

research [Effects of the extract from bergamot and boxthorn on the delay of skin aging and hair growth in mice].

3 citations , August 2003 in “PubMed”

This study found that bergamot and boxthorn extract significantly improved skin antioxidant activity and collagen content while promoting hair growth in mice.

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Community Join

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community Why did this recent research paper from professor Tsuji lab in Japan largely go unnoticed by this sub? Isn't this discovery huge? (hair cloning)

35 upvotes 4 months ago

A recent discovery in hair cloning identified a previously unknown cell type essential for hair follicle growth, which could potentially make lab-grown hair viable if translated to humans. However, skepticism remains due to past delays and the challenges of replicating results in humans and making the process affordable.

community Sprinkle that PP405 on my scalp like I sprinkle salt on my stake

119 upvotes 1 year ago

PP405 shows promise for hair growth with significant results after 4 weeks, but skepticism exists due to its unavailability. Some users are hopeful for its potential, while others express concerns about side effects and market release delays.

community Han Bio Aims for Phase 1 Clinical Trials in 2027 after successful hair growth in mice

in Research/Science 248 upvotes 1 year ago

Han Bio plans to start Phase 1 clinical trials for a hair growth treatment in 2027 after successful results in mice. Many users express skepticism about the effectiveness of treatments that work on mice but not on humans, and discuss existing treatments like finasteride and minoxidil.

community Weed/THC effects on hair growth/hair loss, and vitality of organ-culture human follicle studies (research review)

4 upvotes 1 year ago

Cannabis and THC may have mixed effects on hair, with some studies suggesting potential negative impacts on hair growth in isolated hair follicles, but these results are hard to apply to living humans. Treatments like minoxidil and finasteride are commonly used for hair loss, and the effects of cannabis might be neutral or vary based on individual factors.

community Bloodflow? Does it affect hair growth?

23 upvotes 7 years ago

Hair loss is primarily caused by genetic sensitivity to DHT, not lifestyle factors like diet or exercise. Treatments like Minoxidil and Finasteride can help, but it's important to consult a dermatologist to determine the best approach for individual cases.

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Learn

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learn Biotin

B vitamin, often sold as a hair supplement

learn Exosomes

Tiny cell-derived particles offered by clinics as an injectable treatment

learn Rapamycin

Immune-suppressing drug, also called sirolimus

learn Hair Transplant

When will I see new hair growth after a hair transplant? New hair growth usually starts 2-4 months after a hair transplant.

learn Caffeine

Does caffeine stimulate hair growth or only slow hair loss? Caffeine stimulates hair follicles in laboratory cultures, and one open-label, manufacturer-funded trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint. A 2025 systematic review found only a few small controlled trials, mostly rated low or very low quality, and none in alopecia areata.

learn Lavender

Does lavender promote hair growth or just soothe an irritated scalp? A 2016 study found more hair growth in mice treated with lavender oil, but no trial has tested lavender alone for hair loss in people. Lavender oil can cause skin allergy, and case reports link lavender products to breast growth in children.

learn Dexpanthenol

Does dexpanthenol promote hair growth? Reviews describe dexpanthenol mainly as a moisturiser for skin. No controlled trial has shown that it promotes hair growth.

learn Microneedling

How does microneedling boost hair growth in thinning areas of the scalp? Small trials suggest microneedling may help mainly as an add-on to minoxidil; how it works in humans is not established, and the FDA has not cleared any microneedling device for hair loss.

learn KY19382

Experimental compound that activates hair-growth signals, tested only in animals

learn Osteopontin

Signalling protein studied in hair-growth research

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