Non-peptide

Finasteride

Also known as

Propecia · Proscar · fin 1mg · fin · type-2 5-AR inhibitor · topical finasteride · finasteride 0.25% · Hims / Keeps fin · compounded topical fin · PFS

Community talk. May contain inaccuracies. Not medical advice. Not a protocol. Not for human or animal use.

What it is

Identity	A prescription drug that blocks type-2 5-alpha-reductase, reducing conversion of testosterone to DHT. Hair-loss discussion focuses on maintenance and possible regrowth.
Forms	Oral tablets and topical scalp formulas are distinct. Topical products often contain minoxidil too and can still have systemic effects.

Notes

Less testosterone becomes DHT. Finasteride blocks type-2 5-alpha-reductase, an enzyme involved in making DHT, a hormone linked to pattern hair loss. It is a prescription drug, not a peptide. DailyMed: finasteride 1 mg tablet label (Official context · Accessed 2026-09-30)

Hair maintenance is the central goal. People seek slower thinning, preserved styling options and sometimes thicker hair. Minoxidil is a different hair-growth drug; combining them makes it harder to identify which produced a change. No sign of improvement after one year on Fin 1mg daily (Community discussion · Accessed 2026-09-30)

Oral and topical are different forms. Tablets act throughout the body. Scalp liquids or sprays often combine finasteride with minoxidil. Choosing topical to avoid swallowing a pill does not demonstrate freedom from systemic effects. 6 Months Down. Slowly but surely getting there. (Personal report · Accessed 2026-09-30)

Source context — DailyMed: finasteride 1 mg tablet label: Drug-label context, not user experience or complete counseling. Shares finasteride prescribing-information origin family with 5 mg label.

Source context — No sign of improvement after one year on Fin 1mg daily: OP's no-regrowth report and another person's late symptoms/switch are separate accounts. Commenter regimens and assurances are not recommendations.

Source context — 6 Months Down. Slowly but surely getting there.: Commercial brand is user-identified, not vendor evidence. Combined finasteride/minoxidil; spray volume absent; lighting difference acknowledged.

What people notice

Hair maintenance	Some describe holding density without visible regrowth; others report no crown improvement after a year.
Delayed improvement	One finasteride-only user saw little change until year two and much more in year three. Other improvement accounts include minoxidil, so they do not isolate finasteride's contribution.
Different personal responses	Reports include no symptoms, increased libido, reduced libido and persistent sexual or cognitive symptoms after stopping.

Notes

Holding hair can count as success. A six-month 1 mg/day user saw neither obvious improvement nor worsening, while replies disagreed about the photographs. Another reported no crown regrowth after a year. Maintenance and visible regrowth are different outcomes. 6 months difference, finasteride only (Personal report · Accessed 2026-09-30) · No sign of improvement after one year on Fin 1mg daily (Community discussion · Accessed 2026-09-30)

Improvement can be slow. A finasteride-only 1 mg user described little visible change until year two and much greater change in year three. That is an individual delayed response, not a reason to promise eventual regrowth to every nonresponder. 3 years and 6 month Progress 1mg Fin Only zero Min or anything else (Personal report · Accessed 2026-09-30)

Combination gains have mixed attribution. A daily 0.5 mg finasteride plus 2.5 mg oral minoxidil account described improved density and no side effects. Both drugs were involved; the result cannot establish what finasteride alone would have done. ~1 year results of 0.5mg finasteride and 2.5mg oral minoxidil (Personal report · Accessed 2026-09-30)

No single feeling represents everyone. The finasteride-only long-response author reported increased libido, while other accounts describe reduced libido or no symptoms. Hair forums and persistent-symptom support forums select different experiences. Their disagreement cannot establish how often either outcome happens. 3 years and 6 month Progress 1mg Fin Only zero Min or anything else (Personal report · Accessed 2026-09-30) · Finasteride 1mg and then 0.5 (5 months) (Community discussion · Accessed 2026-09-30) · ~1 year results of 0.5mg finasteride and 2.5mg oral minoxidil (Personal report · Accessed 2026-09-30)

Sexual and mood reports vary. Community reports include watery semen, weaker erections, reduced libido, flat mood and brain fog. A 1 mg user reported libido improvement after reducing to 0.5 mg, but also introduced ginseng and maca. Another commenter described symptoms developing later in the first year. Finasteride 1mg and then 0.5 (5 months) (Community discussion · Accessed 2026-09-30) · No sign of improvement after one year on Fin 1mg daily (Community discussion · Accessed 2026-09-30)

Topical symptoms can persist after stopping. Cstille2 reported headache after several days of topical use, then erection and sensitivity problems after stopping. A June update described five normal days followed by returning symptoms about a month off, despite morning erections. The account describes fluctuation rather than lasting recovery. Loss of feeling after topical finasteride (Personal report · Accessed 2026-09-30)

Source context — 6 months difference, finasteride only: Title says finasteride only but OP describes trying minoxidil foam; no independently standardized photographs.

Source context — 3 years and 6 month Progress 1mg Fin Only zero Min or anything else: Self-selected progress narrative; photos not independently measured; future improvement prediction excluded.

Source context — ~1 year results of 0.5mg finasteride and 2.5mg oral minoxidil: Two drugs started together; density, eyelashes and body-hair changes cannot all be attributed to finasteride. OP timeline is one report, not twelve independent reports.

Source context — Finasteride 1mg and then 0.5 (5 months): Dose reduction and ginseng/maca introduction confound symptom change; commenter estrogen explanation is unsupported.

Source context — Loss of feeling after topical finasteride: Support forum selects for adverse experiences; product concentration unstated; recovery then relapse is the same person. Cannot establish causation or incidence.

Doses people talk about

Oral hair discussion	1 mg once daily and roughly 1.25 mg portions of 5 mg tablets. Lower experiments include 0.2–0.5 mg daily, 1 mg every other day, and one 0.25 mg every-other-day report.
Topical discussion	0.025–0.25% once daily and 0.1% combinations appear. One 0.3% finasteride + 6% minoxidil account used four sprays daily, without spray volume; concentration alone does not give milligrams applied.
Separate indication	The 5 mg daily prostate-enlargement label is separate from the 1 mg daily hair-loss indication.

Notes

Oral: 1 mg once daily; approximately 1.25 mg tablet portions. The long-term author began at 1 mg/day, later used portions of 5 mg tablets for cost, and eventually reported 2–3 administrations weekly. Those changes do not prove equivalent hair outcomes. Finasteride after 4.5 years: results, shedding reality and other effects (Personal report · Accessed 2026-09-30)

Lower oral amounts and alternate days. Community dose talk includes 0.2–0.5 mg daily and 1 mg every other day; a HairLossTalk user reported improvement at 0.25 mg every other day after five months. These are separate experiments, not an escalation ladder. Can 0.25mg finasteride EOD maintain what you've got? (Community discussion · Accessed 2026-09-30)

Topical percentages need an application amount. One user reported 0.3% finasteride plus 6% minoxidil, four sprays once daily; spray volume was unstated. Other reported formulas include 0.025–0.25% once daily and 0.1% combinations. A percentage alone cannot tell you milligrams applied or absorbed. 6 Months Down. Slowly but surely getting there. (Personal report · Accessed 2026-09-30)

Different tablet indications. The hair-loss label specifies 1 mg daily, at least three months before benefit and reversal within 12 months after withdrawal. The prostate-enlargement label specifies 5 mg daily; that is a separate indication. DailyMed: finasteride 1 mg tablet label (Official context · Accessed 2026-09-30) · DailyMed: finasteride 5 mg tablet label (Official context · Accessed 2026-09-30)

Source context — Finasteride after 4.5 years: results, shedding reality and other effects: One person's changing frequency, breaks and brief dutasteride exposure; subjective density and hair counts. Does not establish safe cycling or long-term safety.

Source context — Can 0.25mg finasteride EOD maintain what you've got?: Five-month benefit account lacks retained comparison photos. Separate twice-weekly experiment explicitly had no results; unsupported accumulation/DHT math excluded.

Source context — DailyMed: finasteride 5 mg tablet label: 5 mg prostate-treatment and human kinetic context must stay separate from hair-community dosing. Same prescribing-information family budget as 1 mg label.

Half-life, onset & duration

Visible onset	Changes take months. One topical finasteride/minoxidil user described shedding in months 2–3, early growth in months 4–5 and clearer improvement by month six; other accounts took longer or saw no regrowth.
Duration	Maintenance can last years during continued use, with recurring shedding or partial loss of gains. Stopping does not provide a predictable personal hair or symptom timeline.
Half-life	The checked 5 mg oral label gives about six hours in younger men and eight hours at age 70 or older. DHT effects and visible hair changes last on different clocks.

Notes

Shedding can come before visible improvement. The topical combination user noticed nothing in month one, heavy shedding in months two and three, then early growth around months four and five and clearer improvement by month six. Minoxidil was present throughout. 6 Months Down. Slowly but surely getting there. (Personal report · Accessed 2026-09-30)

Other accounts take longer. Faultyclones described shedding slowing over months 1–6 and becoming minimal around month ten. Other reports include a worse-looking hairline around months 2–4 and comparison windows at 3–6 and 6–12 months. None supplies a guaranteed deadline. Finasteride after 4.5 years: results, shedding reality and other effects (Personal report · Accessed 2026-09-30)

Maintenance may continue for years, with shedding waves. The 4.5-year author described maintained density despite recurring shedding. Separately, nz1 reported gains partly reversing after about 1.5 years; a later lower-dose update did not explain the outcome in words. Ongoing shedding does not identify its cause. Finasteride after 4.5 years: results, shedding reality and other effects (Personal report · Accessed 2026-09-30) · Is My Hair Shedding Back-to-Back After 1.5 Years on Finasteride? (Personal report · Accessed 2026-09-30)

Stopping does not give a predictable symptom or hair clock. Community accounts describe delayed hair loss after stopping in the first month. Persistent-symptom accounts follow a different timeline; neither immediate recovery nor permanent symptoms can be predicted from these reports.

Blood clearance is not hair duration. The checked 5 mg label reports six hours in younger adults and eight hours in men 70 or older. Longer hormone effects are separate. DailyMed: finasteride 5 mg tablet label (Official context · Accessed 2026-09-30)

Plasma half-life: The checked 5 mg oral label reports about 6 hours in healthy young men and about 8 hours in men age 70 or older. Longer enzyme and DHT effects are pharmacodynamic and do not turn the plasma half-life into an every-other-day dosing recommendation. [trial]

Source context — 6 months difference, finasteride only: Title says finasteride only but OP describes trying minoxidil foam; no independently standardized photographs.

Source context — Is My Hair Shedding Back-to-Back After 1.5 Years on Finasteride?: Same author later reports 0.5 mg monotherapy without explaining dose change or a textual outcome. Image-only update not treated as proven recovery.

Cycles people discuss

Ongoing use	Daily routines and alternate-day experiments appear; no inspected short course permanently retains hair gains.
Break reports	One user described occasional 1–2-month breaks without lingering issues. Other replies disputed the rationale; this does not validate cycling to prevent adverse effects.

Notes

Community use is ongoing, not an eight-week hair cycle. Daily routines, morning or evening habits and alternate-day experiments appear in the record. Accounts involving 1.25 mg every other day still describe shedding. No inspected account establishes a short course that permanently retains the result. Missed-pill talk treats a day or two differently from prolonged discontinuation, but does not predict an individual's shedding.

A reported break is not a proven reset. Faultyclones described occasional 1–2 month breaks without lingering issues. Other replies questioned the purpose and evidence for such breaks. This experience does not validate cycling to prevent adverse effects. Finasteride after 4.5 years: results, shedding reality and other effects (Personal report · Accessed 2026-09-30)

Stacks

Hair combinations	Oral or topical minoxidil, weekly 1–1.5 mm microneedling and ketoconazole appear. Combined progress does not isolate finasteride's contribution.
Other drugs discussed	Later dutasteride use, RU-58841 or pyrilutamide additions, and tadalafil for a separate sexual-function goal appear. These are reported combinations or switches, not tested equivalents.

Notes

Stacks broaden the uncertainty. Stack discussion includes minoxidil, weekly 1–1.5 mm microneedling, ketoconazole, later dutasteride, RU-58841, pyrilutamide and tadalafil for a separate sexual-function goal. These are reported combinations, not tested equivalents or instructions. Oral/topical overlap and abrupt-switch shedding are also discussed.

Watch for

Sexual, mood and breast changes	Watery semen, weaker erections, reduced libido, flat mood, brain fog and breast enlargement appear. Some sexual or sensitivity symptoms persisted or fluctuated after topical use stopped.
Topical exposure	The saved FDA alert describes bloodstream absorption, local irritation, transfer risk and sometimes persistent symptoms. Its reports do not estimate frequency; no U.S. topical formulation was FDA-approved in that review.
Pregnancy and PSA	Pregnancy contraindication and exposure from crushed or broken tablets matter. Finasteride lowers PSA, so that blood test needs medication context.

Notes

Breast changes can coexist with an otherwise good experience. Faultyclones reported mild breast enlargement with earlier teenage signs, but no sexual, mood or brain-fog problems on finasteride. Finasteride after 4.5 years: results, shedding reality and other effects (Personal report · Accessed 2026-09-30)

Topical is not a safety guarantee. The saved April 2025 FDA alert describes bloodstream absorption, local irritation and transfer risk; 32 reports from 2019–2024 included sexual symptoms, depression, anxiety, suicidal thoughts, brain fog and testicular pain, sometimes persisting after stopping. These reports cannot estimate frequency. The alert stated that no topical formulation was FDA-approved. FDA alert: risks associated with compounded topical finasteride (Official context · Accessed 2026-09-30)

Pregnancy and PSA matter. Finasteride is contraindicated in pregnancy; crushed or broken tablets pose an exposure risk. It lowers PSA, so interpreting this prostate blood test requires medication history. DailyMed: finasteride 1 mg tablet label (Official context · Accessed 2026-09-30)

Source context — Finasteride 1mg and then 0.5 (5 months): Dose reduction and ginseng/maca introduction confound symptom change; commenter estrogen explanation is unsupported.

Source context — FDA alert: risks associated with compounded topical finasteride: Spontaneous adverse-event reports are a signal without an exposed-user denominator; not incidence or proof of causality.

Full notes

Finasteride is a prescription hair-loss drug people discuss for holding hair and sometimes regaining density. Reports range from gradual improvement to no visible change, sexual or mood symptoms. Topical use does not guarantee freedom from systemic effects.

What finasteride does

Less testosterone becomes DHT. Finasteride blocks type-2 5-alpha-reductase, an enzyme involved in making DHT, a hormone linked to pattern hair loss. It is a prescription drug, not a peptide. Official context
Hair maintenance is the central goal. People seek slower thinning, preserved styling options and sometimes thicker hair. Minoxidil is a different hair-growth drug; combining them makes it harder to identify which produced a change. Reddit r/tressless
Oral and topical are different forms. Tablets act throughout the body. Scalp liquids or sprays often combine finasteride with minoxidil. Choosing topical to avoid swallowing a pill does not demonstrate freedom from systemic effects. Personal report Community

What people hope to gain

Holding hair can count as success. A six-month 1 mg/day user saw neither obvious improvement nor worsening, while replies disagreed about the photographs. Another reported no crown regrowth after a year. Maintenance and visible regrowth are different outcomes. Personal report Reddit r/tressless
Improvement can be slow. A finasteride-only 1 mg user described little visible change until year two and much greater change in year three. That is an individual delayed response, not a reason to promise eventual regrowth to every nonresponder. Personal report
Combination gains have mixed attribution. A daily 0.5 mg finasteride plus 2.5 mg oral minoxidil account described improved density and no side effects. Both drugs were involved; the result cannot establish what finasteride alone would have done. Personal report

Doses people discuss

Oral: 1 mg once daily; approximately 1.25 mg tablet portions. The long-term author began at 1 mg/day, later used portions of 5 mg tablets for cost, and eventually reported 2–3 administrations weekly. Those changes do not prove equivalent hair outcomes. Personal report
Lower oral amounts and alternate days. Community dose talk includes 0.2–0.5 mg daily and 1 mg every other day; a HairLossTalk user reported improvement at 0.25 mg every other day after five months. These are separate experiments, not an escalation ladder. Community HairLossTalk
Topical percentages need an application amount. One user reported 0.3% finasteride plus 6% minoxidil, four sprays once daily; spray volume was unstated. Other reported formulas include 0.025–0.25% once daily and 0.1% combinations. A percentage alone cannot tell you milligrams applied or absorbed. Personal report Community

Half-life: blood levels versus lasting effects

The forum number is about 5–6 hours. A HairLossTalk reply repeats the formal blood-half-life figure and says DHT effects outlast blood levels. It is borrowed pharmacology, not a user measurement, and does not establish alternate-day dosing equivalence. HairLossTalk

When changes show up

Shedding can come before visible improvement. The topical combination user noticed nothing in month one, heavy shedding in months two and three, then early growth around months four and five and clearer improvement by month six. Minoxidil was present throughout. Personal report
Other accounts take longer. Faultyclones described shedding slowing over months 1–6 and becoming minimal around month ten. Other reports include a worse-looking hairline around months 2–4 and comparison windows at 3–6 and 6–12 months. None supplies a guaranteed deadline. Personal report Community

How long benefit or symptoms last

Maintenance may continue for years, with shedding waves. The 4.5-year author described maintained density despite recurring shedding. Separately, nz1 reported gains partly reversing after about 1.5 years; a later lower-dose update did not explain the outcome in words. Ongoing shedding does not identify its cause. Personal report Personal report
Stopping does not give a predictable symptom or hair clock. Community accounts describe delayed hair loss after stopping in the first month. Persistent-symptom accounts follow a different timeline; neither immediate recovery nor permanent symptoms can be predicted from these reports. Community

Continuous use and the cycling debate

Community use is ongoing, not an eight-week hair cycle. Daily routines, morning or evening habits and alternate-day experiments appear in the record. Accounts involving 1.25 mg every other day still describe shedding. No inspected account establishes a short course that permanently retains the result. Missed-pill talk treats a day or two differently from prolonged discontinuation, but does not predict an individual's shedding. Community
A reported break is not a proven reset. Faultyclones described occasional 1–2 month breaks without lingering issues. Other replies questioned the purpose and evidence for such breaks. This experience does not validate cycling to prevent adverse effects. Personal report

What deserves attention

Sexual and mood reports vary. Community reports include watery semen, weaker erections, reduced libido, flat mood and brain fog. A 1 mg user reported libido improvement after reducing to 0.5 mg, but also introduced ginseng and maca. Another commenter described symptoms developing later in the first year. Community Reddit r/tressless Reddit r/tressless
Topical symptoms can persist after stopping. Cstille2 reported headache after several days of topical use, then erection and sensitivity problems after stopping. A June update described five normal days followed by returning symptoms about a month off, despite morning erections. The account describes fluctuation rather than lasting recovery. Personal report
Breast changes can coexist with an otherwise good experience. Faultyclones reported mild breast enlargement with earlier teenage signs, but no sexual, mood or brain-fog problems on finasteride. Personal report
Pregnancy and PSA matter. Finasteride is contraindicated in pregnancy; crushed or broken tablets pose an exposure risk. It lowers PSA, so interpreting this prostate blood test requires medication history. Official context
Topical is not a safety guarantee. The saved April 2025 FDA alert describes bloodstream absorption, local irritation and transfer risk; 32 reports from 2019–2024 included sexual symptoms, depression, anxiety, suicidal thoughts, brain fog and testicular pain, sometimes persisting after stopping. These reports cannot estimate frequency. The alert stated that no topical formulation was FDA-approved. Official context
Blood donation has separate rules. Red Cross materials list finasteride as a donor-deferral medication. Eligibility belongs to the donation service, rather than a forum washout calculation; stopping prescribed medication to donate is discouraged. Official context

Supporting label context

Different tablet indications. The hair-loss label specifies 1 mg daily, at least three months before benefit and reversal within 12 months after withdrawal. The prostate-enlargement label specifies 5 mg daily; that is a separate indication. Official context Official context
Blood clearance is not hair duration. The checked 5 mg label reports six hours in younger adults and eight hours in men 70 or older. Longer hormone effects are separate. Official context

What the discussions add

The second-shed argument has no fixed answer. Community accounts describe another loss of volume around months 8–12 after a good stretch. Some call it cycling; others consider progression or a dutasteride switch. Photographs, lighting and added treatments complicate the interpretation; a shed is not proof of future recovery. Community Personal report
Daily life can decide the form. One user struggled to get minoxidil foam through the hair to the scalp. Another topical user liked the improvement but feared another shed if switching to oral. Some liquids brought stinging from alcohol or propylene glycol; storage follows the specific pharmacy label. Personal report Personal report Community
Stacks broaden the uncertainty. Stack discussion includes minoxidil, weekly 1–1.5 mm microneedling, ketoconazole, later dutasteride, RU-58841, pyrilutamide and tadalafil for a separate sexual-function goal. These are reported combinations, not tested equivalents or instructions. Oral/topical overlap and abrupt-switch shedding are also discussed. Community
No single feeling represents everyone. The finasteride-only long-response author reported increased libido, while other accounts describe reduced libido or no symptoms. Hair forums and persistent-symptom support forums select different experiences. Their disagreement cannot establish how often either outcome happens. Personal report Reddit r/tressless Personal report Community
Bloodwork and stacking do not answer every concern. Topical discussions use DHT tests to ask about whole-body absorption; they identify no diagnostic blood marker for persistent symptoms. Medication review matters when adding other drugs. Tablets need no mixing protocol; topical storage is formulation-specific. Community