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research Cosmeceuticals: peptides, proteins, and growth factors

67 citations , May 2016 in “Journal of Cosmetic Dermatology”

This study describes commonly used peptides, proteins, and growth factors in cosmeceuticals and discusses their potential benefits in dermatology, though their long-term effects remain unconfirmed.

Phosphatidic Acid Has Potential to Promote Hair Growth In Vitro and In Vivo, and Activates Mitogen-Activated Protein Kinase/Extracellular Signal-Regulated Kinase Kinase in Hair Epithelial Cells

research Phosphatidic Acid Has a Potential to Promote Hair Growth In Vitro and In Vivo, and Activates Mitogen-Activated Protein Kinase/Extracellular Signal-Regulated Kinase Kinase in Hair Epithelial Cells

46 citations , August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that phosphatidic acid promotes hair growth by stimulating cell proliferation and protecting against apoptosis in murine hair epithelial cells, unlike lysophosphatidic acid, which showed limited effects.

Type I Keratin 17 Protein Is Phosphorylated on Serine 44 by p90 Ribosomal Protein S6 Kinase 1 in a Growth- and Stress-Dependent Fashion

research Type I Keratin 17 Protein Is Phosphorylated on Serine 44 by p90 Ribosomal Protein S6 Kinase 1 (RSK1) in a Growth- and Stress-dependent Fashion

30 citations , December 2011 in “Journal of biological chemistry/The Journal of biological chemistry”

This study found that serine 44 in the N-terminal head domain of keratin 17 is phosphorylated in response to various stimuli affecting skin keratinocyte growth, linking K17 up-regulation with growth and stress responses in skin epithelium.

A 3-Month, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Ability of an Extra-Strength Marine Protein Supplement to Promote Hair Growth and Decrease Shedding in Women with Self-Perceived Thinning Hair

research A 3-Month, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Ability of an Extra-Strength Marine Protein Supplement to Promote Hair Growth and Decrease Shedding in Women with Self-Perceived Thinning Hair

22 citations , January 2015 in “Dermatology Research and Practice”

This study found that an oral marine protein supplement significantly increased hair growth and reduced hair shedding in women with temporary thinning hair over 90 days compared to a placebo.

research Identification of genes and proteins associated with anagen wool growth

10 citations , September 2016 in “Animal genetics”

In this study, researchers identified a number of differentially expressed genes that may influence wool growth in Aohan fine wool sheep, offering insight into the genetic regulation of wool quality and yield.

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community Protein's role in hair growth is more nuanced than just quantity

in Technology 5 upvotes 4 months ago

Protein's role in hair growth is complex, with specific amino acids like cysteine being crucial for effective hair growth. Users discussed using l-cysteine supplements, noting reduced hair loss and faster growth, though some experienced digestive issues.

community Published in Nature: Osteopontin, a protein involved in the growth of hair on moles could be the key to our troubles.

13 upvotes 3 years ago

Osteopontin, a protein involved in hair growth on moles, may help with hair loss. However, it is also linked to Alzheimer's, cancer, and bone development, so caution is advised.

community 28M - LAST 46 days of growth - FIN, TOPICAL & ORAL MINOXIDIL, DERMA STAMP 1MM , KETO SHAMPOO, VITAMINS, PROTEIN

41 upvotes 8 months ago

A 28-year-old male shared his 46-day hair growth progress using finasteride, topical and oral minoxidil, derma stamping, keto shampoo, vitamins, and protein. He experienced initial shedding but saw improvement after adding oral minoxidil, with plans to continue for better results.

community Cold and Japanese researchers. The Japanese began to suspect something. But they understood the mechanism to some extent. ( Cold shock therapy promotes hair growth in association with upregulation of cold-inducible RNA-binding protein and vascular endothelial growth factor).

36 upvotes 1 year ago

Cold shock therapy may promote hair growth, but cold alone is not effective. Combining treatments like minoxidil, finasteride, cold showers, spicy foods, and exercise may enhance results.

community This may be common news to some, but I’ve just learned the importance of amino acids for hair growth / strength.

7 upvotes 3 years ago

Amino acids, particularly Cysteine, are important for hair growth and may be lacking in a normal diet. Using a protein powder that includes these amino acids can help improve hair growth and strength.

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learn Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

What is follistatin, and how does it influence hair follicle growth and regeneration? Follistatin blocks activin and related growth-inhibiting proteins, which in laboratory and animal work is described as keeping hair follicles in their growth phase; the only verifiable human evidence is a single small 2011 phase 1 injection trial, so follistatin remains experimental and is not an approved hair-loss treatment.

learn L-cysteine

What is L-cysteine, and why is it often included in hair growth supplements? L-cysteine supports hair growth by strengthening keratin, the main protein in hair.

learn Epidermal Growth Factor

learn Stem Cell Factor

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Exosomes

Microscopic delivery system that sends growth-promoting signals to hair follicles

learn Caffeine

Does caffeine stimulate hair growth or only slow hair loss? Caffeine stimulates hair follicles in laboratory cultures, and one open-label trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint; there is no placebo-controlled evidence that it regrows hair, and none at all in alopecia areata or telogen effluvium.

learn Lavender

Does lavender promote hair growth or just soothe an irritated scalp? Lavender may promote hair growth and soothe an irritated scalp.

learn Bimatoprost

Can a lash-growth serum like bimatoprost actually work for your scalp? Bimatoprost (Latisse) is approved for eyelashes, not the scalp; two Allergan phase 2 trials in men with androgenetic alopecia posted results to ClinicalTrials.gov but were never published in a peer-reviewed journal, so scalp use remains off-label and experimental.

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