Annurca apple extract,
does it really help with Reduced hair loss and increased hair density and growth?
research showsSignals in hair number, density, weight, or shedding were reported in a 2018 study of 250 people and a 2023 placebo-controlled trial of 80 people using oral Annurca apple extract. The first study gave placebo first and then active product to everyone, so independent statisticians argued that it could not support causal inference. The follow-up trial is one study of a specific branded product conducted by investigators affiliated with ingredient companies. Product and funding concentration limit the grade to C.
ads claimClaims that procyanidin B2 works like minoxidil or that any apple polyphenol reverses hair loss are exaggerated. Results for a specific whole-fruit Annurca extract and microencapsulated formulation cannot be generalized to generic apple extract, all apple polyphenols, or oral procyanidin B2 alone.
Useful facts when choosing a product
- The 2018 oral formulation used a 400 mg capsule of whole-fruit Annurca polyphenol extract twice daily, totaling 800 mg/day.
- The 2023 trial used two capsules per day of a specific branded whole-fruit extract for 180 days and contained both procyanidin B2 and chlorogenic acid.
- Annurca or Melannurca apple products are visible in Korea as conventional foods or imported finished products, but equivalence to the study brand and standardization must be checked.
- Gastrointestinal tolerability was generally acceptable in trials, but long-term multicenter safety and drug-interaction data are limited.
What the research actually shows
The 2018 Tenore study randomized 250 people between two active formulations, but all participants first received placebo for four weeks and then active product for eight weeks. Independent statisticians later noted that there was no random allocation between active treatment and placebo, no concurrent control, and no way to separate treatment from seasonal or time effects. The 2023 De Biasio study assigned 80 people with androgenetic alopecia to a branded Annurca extract or placebo, 40 per group, for two capsules per day over 180 days; it reported increased hair density and weight and reduced shedding. A 29-person trial of a topical 1% apple-derived procyanidin B2 solution also exists, but the route is different.
Why this is classified as C (44)
Two oral human studies exist, but the first had no concurrent placebo comparison and the follow-up 80-person randomized trial is one company-linked branded-product study. Topical procyanidin B2 evidence is a separate route, yielding C with 44 points.
Counterpoint. The six-month placebo-controlled signal for a specific standardized product can justify an independent confirmatory trial.
Rejudgment record. New verdict — Positive oral human signals, but a flawed nonconcurrent placebo design in the initial study and concentration in one subsequent branded company trial
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Reduction in hair loss or shedding | C | Positive in one 80-person branded-product trial, but company affiliation and lack of independent replication limit confidence. |
| Increase in hair density and growth | C | Positive human data exist, but the apparently large initial study did not use a concurrent placebo control. |
| Stand-alone oral effect of procyanidin B2 | ? | No human trial was identified that isolates the stand-alone oral contribution of procyanidin B2 from the Annurca polyphenol mixture. |
Cross-check — Codex and Claude
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Tenore GC et al. 2018 | Pre-post study with placebo lead-in followed by active treatment | 250 | University-developed branded product manufactured commercially | Hair count, weight, and keratin | Reported increases after the active period, but the absence of a concurrent placebo group prevents causal inference. | Supportive |
| Keith SW et al. 2019 | Independent methodological critique | 2018 | Partly supported by NIH | Validity of randomization, masking, and control | Found no randomization between active treatment and placebo and no ability to separate seasonal or time effects. | Key |
| De Biasio F et al. 2023 | Randomized double-blind placebo-controlled parallel trial | 80 | Investigators affiliated with ingredient and product companies | Hair density, weight, and shedding | Reported increased density and weight and reduced shedding after two capsules per day for 180 days. | Key |
| Takahashi T et al. 2001 | Double-blind topical clinical trial | 29 | Industry links to apple ingredient development | Scalp hair count and diameter | A 1% procyanidin B2 tonic increased hair count after six months; this is a different route from oral Annurca extract. | Indirect |
Receipt — 4 References
All 4 cited sources were verified for existence at the original page (as of 2026-07-17).
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-17 · Corrections: none
Cite this verdict
[Chamgap] Annurca apple extract x hair loss, density, and growth — Evidence Grade C·44. 4 cited sources checked. Source: https://chamgap.com/en/verdicts/skin-hair/annurca-apple-extract-hair-growth/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.