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GlossaryDickkopf-1 (DKK1)

inhibits hair follicle formation, contributing to hair loss

Dickkopf-1 (DKK1) is a protein that plays a crucial role in regulating cell signaling pathways, particularly the Wnt signaling pathway, which is important for cell growth and development. In the context of hair biology, DKK1 is known to inhibit hair follicle formation and is associated with conditions like androgenetic alopecia (pattern baldness), where its elevated levels can lead to hair loss.

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research Regenerative Hair Waves in Aging Mice and Extra-Follicular Modulators Follistatin, Dkk1, and Sfrp4

75 citations , March 2014 in “Journal of Investigative Dermatology”

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

research DKK1 Mediated Inhibition of Wnt Signaling in Postnatal Mice Leads to Loss of TEC Progenitors and Thymic Degeneration

56 citations , February 2010 in “PLOS ONE”

Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.

research Perspectives on MicroRNAs Targeting DKK1 for Developing Hair Regeneration Therapy

12 citations , October 2021 in “Cells”

Targeting a protein that blocks hair growth with microRNAs could lead to new hair loss treatments, but more research is needed.

research DKK1-Targeting Cholesterol-Modified siRNA Implication in Hair Growth Regulation

1 citations , May 2023 in “Biochemical and Biophysical Research Communications”

Blocking DKK1 with siRNA can improve hair growth.

research Double Knockdown of the Androgen Receptor Target Genes DKK1 and SFRP1 Does Not Potentiate the Hair Growth-Promoting Effect of SFRP1 Silencing in Healthy Human Hair Follicles Ex Vivo

February 2026 in “International Journal of Molecular Sciences”

Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.

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community Nearly 3 years in and I'm on a mega growth spurt. Don't lose heart.

in Chat 63 upvotes 1 year ago

The user experienced subtle hair growth improvements using finasteride, dutasteride, and minoxidil over nearly three years, with notable progress at the temples. The front hairline shows quicker regrowth cycles, but the vertex and crown remain unchanged.

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

in Research/Science 76 upvotes 8 months 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 Better Than Minoxidil? Topical Sodium Valproate

in Research/Science 53 upvotes 1 year ago

Topical sodium valproate may promote hair growth by inhibiting GSK3β, allowing beta-catenin to proliferate, but it has potential side effects and requires more research. The conversation also mentions skepticism about a product called Vdphlo1, which includes sodium valproate and other ingredients.

community Has anyone used Magnesium L-Threonate ?

71 upvotes 7 years ago

Magnesium L-Threonate may help treat balding by reducing DKK-1 expression without affecting DHT. Users discuss its potential effectiveness and application methods, with some considering trying it topically.

community Is pp405 actually the cure ? Just how exciting is it ?

in Research/Science 36 upvotes 2 months ago

PP405 is a promising hair growth stimulant but not a cure for advanced hair loss, as it may only help dormant follicles. Treatments like Minoxidil, Finasteride, and Dutasteride are discussed, with emphasis on early intervention for effectiveness.

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