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Peptides for Hair growth

The peptides people most often research for hair growth, with how much evidence exists for each. A long list does not mean any of them is proven to work in people.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureUpdated
Peptides listed
7
With human trials
3
FDA approved (any use)
4
Searches per month
25,640
Showing 7 peptides · ordered by search interest for this goal
  1. GHK-CuCopper tripeptideHuman observational evidence, 3 of 4Journal of cosmetic and laser therapy 2018, PMID 29482481Human4Animal0Summarised1Injectable off Category 2 (Apr 2026)For hair growthOverview
  2. HGHRecombinant growth hormoneNo study with an outcome for hair growthPubMed search, 2 Oct 2026Human3Animal2Summarised0FDA approved (prescription only)For hair growthOverview
  3. GLOWThree-peptide blendHuman observational evidence, 3 of 4GHK-Cu: Journal of cosmetic and laser therapy 2018, PMID 29482481Human0Animal0Summarised2Not FDA approved · unstudied blendFor hair growthOverview
  4. KLOWFour-peptide blendHuman observational evidence, 3 of 4GHK-Cu: Journal of cosmetic and laser therapy 2018, PMID 29482481Human0Animal0Summarised2Not FDA approved · unstudied blendFor hair growthOverview
  5. SermorelinGHRH analogNo study with an outcome for hair growthPubMed search, 2 Oct 2026Human0Animal0Summarised0Compounded by prescriptionFor hair growthOverview
  6. BPC-157Gastric pentadecapeptideNo study with an outcome for hair growthPubMed search, 2 Oct 2026Human0Animal0Summarised0PCAC voted 8–6 for 503A (Jul 2026)Overview
  7. hCGGonadotropinNo study with an outcome for hair growthPubMed search, 2 Oct 2026Human17Animal2Summarised0FDA approved (prescription only)Overview
Read this first

What this list does not show

Search demand tells you what people are curious about, not what works. Read each peptide's evidence before anything else.

Search interest is not evidence

This list follows what people search for and discuss. It says nothing about how well any peptide works.

Animal results may not carry over

Doses, routes and effects seen in rodents or cell dishes often have no tested human equivalent.

Approval covers specific uses

An FDA approval applies to the conditions and doses on the label, not to every goal a drug is searched with.

Combinations are a separate question

Blends and stacks put several peptides together. Evidence for one peptide is not evidence for the mix.
Related goals

Explore nearby goals

What people search

  • hair growth peptides18,100/mo
  • hair loss peptides4,400/mo
  • best peptides for hair growth2,400/mo
  • best peptides for hair loss390/mo
  • peptide injections for hair growth210/mo
  • peptide therapy for hair loss50/mo

US monthly searches, Google Keyword Planner, Oct 2026. Shown so you can see which questions this page answers.

Sources

  1. 1Intradermal injections of a hair growth factor formulation for enhancement of human hair regrowth - safety and efficacy evaluation in a first-in-man pilot clinical study.Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology · 2018PMID 29482481Accessed 2 Oct 2026
  2. 2PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt]) (68 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  3. 3PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND ("growth hormone deficiency"[tiab]) AND adult*[tiab] AND randomized controlled trial[pt] (66 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  4. 4PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (elderly[tiab] OR "older adults"[tiab] OR healthy[tiab]) AND (systematic review[pt] OR meta-analysis[pt]) (8 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  5. 5PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (athlet*[tiab] OR "physical performance"[tiab] OR "recreational"[tiab]) AND (randomized controlled trial[pt] OR systematic review[pt]) (20 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  6. 6PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND sleep[tiab] AND (randomized controlled trial[pt] OR clinical trial[pt]) (12 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  7. 7PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (tendon[tiab] OR collagen[tiab] OR "wound healing"[tiab] OR fracture[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt]) (55 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  8. 8PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (cardiovascular[tiab] OR cardiac[tiab] OR "blood pressure"[tiab] OR cholesterol[tiab] OR lipid*[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt] OR randomized controlled trial[pt]) (77 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  9. 9PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (diabetes[tiab] OR "insulin resistance"[tiab] OR glucose[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt] OR randomized controlled trial[pt]) (52 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  10. 10PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (skin[tiab] OR hair[tiab] OR aging[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt]) (30 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  11. 11PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND ("sexual function"[tiab] OR libido[tiab] OR "erectile"[tiab] OR "quality of life"[tiab]) AND adult*[tiab] AND (randomized controlled trial[pt] OR meta-analysis[pt]) (29 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  12. 12PubMed search: (sermorelin[tiab] OR Geref[tiab]) (34 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  13. 13PubMed search: (sermorelin[tiab] OR "GHRH(1-29)"[tiab] OR "GRF(1-29)"[tiab] OR "GHRH 1-29"[tiab]) AND (elderly[tiab] OR aging[tiab] OR "older adults"[tiab] OR adults[tiab]) AND (treatment[tiab] OR therapy[tiab] OR administration[tiab]) (15 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  14. 14PubMed search: (sermorelin[tiab] OR Geref[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (2 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  15. 15PubMed search: "BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab] (230 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  16. 16PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (7 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  17. 17PubMed search: "BPC-157"[tiab] AND humans[mh] (52 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  18. 18PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (patients[tiab] OR clinical trial[pt] OR randomized[tiab]) (25 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  19. 19PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (colitis[tiab] OR inflammatory bowel[tiab]) (48 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  20. 20PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (tendon[tiab] OR ligament[tiab] OR muscle[tiab] OR bone[tiab] OR arthritis[tiab]) (58 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  21. 21PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (nerve[tiab] OR neuropath*[tiab] OR spinal[tiab] OR liver[tiab] OR wound[tiab] OR burn[tiab]) (90 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  22. 22PubMed search: ("human chorionic gonadotropin"[tiab] OR hCG[tiab]) AND (hypogonadism[tiab] OR "male infertility"[tiab] OR hypogonadotropic[tiab] OR testosterone[tiab]) AND (randomized controlled trial[pt] OR meta-analysis[pt]) (97 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  23. 23PubMed search: ("human chorionic gonadotropin"[tiab] OR hCG[tiab]) AND (obesity[tiab] OR "weight loss"[tiab]) AND (randomized controlled trial[pt] OR meta-analysis[pt] OR systematic review[pt]) (11 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  24. 24PubMed search: ("human chorionic gonadotropin"[tiab] OR hCG[tiab]) AND (testosterone replacement[tiab] OR TRT[tiab] OR "anabolic steroid"[tiab] OR bodybuilder*[tiab] OR "lean body mass"[tiab] OR "muscle"[tiab]) AND humans[mh] (260 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  25. 25PubMed search: ("human chorionic gonadotropin"[tiab] OR hCG[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) AND men[tiab] NOT pregnan*[tiab] (9 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026

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