Hair Skin and Nails Plus

Hair Skin and Nails Plus

Douglas Laboratories4.6 (12 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 50 servings
Goals
$39.00 $0.78 per serving

Product analysis

47 out of 100

Hair Skin and Nails Plus combines vitamins, minerals and botanicals, but its blend contents and several ingredient forms lack detail. Those omissions make it harder to know exactly what you are taking.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality34

The blend and several ingredients lack clear form details, limiting a complete quality comparison. Quality for the named mineral and vitamin forms also remains uncertain.

Ingredient Transparency70

The listed ingredient and blend amounts are stated. Several forms, the blend contents and the proportions of the calcium and zinc mixtures are not disclosed.

Value For Money40

Value for the individual ingredients remains unclear. The available information does not support a reliable cost comparison for the full combination.

Customer Satisfaction67

Customer ratings are very positive. The very small review pool leaves considerable uncertainty about how widely that satisfaction is shared.

Product Focus34

The unidentified blend prevents a complete picture of the active ingredients. There is not enough information to judge how well the formula supports its intended benefits.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.78
Customer rating
4.6 · 12 ratings
Report analysis

Goals

Nail Health
Impact
Lower effect
D+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Horsetail · 325 mg
Study evidence
Calcium Supportive 1 study
Horsetail Not classified

No linked studies yet.

Iron Disputed 4 studies
Magnesium Not classified

No linked studies yet.

Zinc No effect 1 study
Hair Health
Impact
Lower effect
D Ingredient FitF PathwaysD EvidenceA Formulation Logic
Zinc · 7.5 mgIron · 7.5 mg
Study evidence
Horsetail Not classified

No linked studies yet.

Iron Disputed 25 studies
Vitamin A Disputed 13 studies
Zinc Supportive 22 studies

Ingredients

IngredientAmount per servingScore
Vitamin A (Vitamin A Palmitate)
2250 mcg
Vitamin C Complex (Calcium Ascorbate, Magnesium Ascorbate, Manganese Ascorbate)
62.5 mg
Calcium (Calcium Ascorbate, Calcium Citrate, Calcium Malate)
80 mg
Iron (Ferronyl)
7.5 mg
Magnesium (Magnesium Malate)
55 mg
Zinc Complex (Zinc Ascorbate, Zinc Krebs Cycle Chelates, Zinc Malate)
7.5 mg
Manganese (Manganese Ascorbate)
5 mg
Citrus Bioflavonoids Complex
37.5 mg
PABA
37.5 mg
Horsetail extract
325 mg 29
Lecithin (Soy)
100 mg
Gelatin
75 mg
Gluten Free Adults 18–50
Report overview
Horsetail · 325 mg OverallScore29
F Composition And Label DisclosureF Composition And Label Disclosure
A serving provides 325 mg of horsetail extract. The silica yield is unknown in the saved details, so the preparation amount cannot establish how much silica it provides.
How this ingredient is rated

Composition and Label Disclosure24

The preparation is identified as horsetail extract; the species is not recorded, and no silica percentage is recorded.
Marker and Preparation Disclosure
The saved details identify horsetail extract but do not give a silica percentage.
Horsetail Source Description
The source is described as horsetail extract; its species is not recorded.

Composition and Label Disclosure33

The amount and preparation are recorded as 325 mg of horsetail extract per serving, but the silica yield is unknown.
Amount and Label Disclosure
The saved facts do not give a silica yield for the horsetail extract.
Individual Preparation Amount Disclosure
The amount and source are recorded: 325 mg of horsetail extract per serving.

Commercial Price and Usability

Value was not evaluated.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The Association Between Alopecia Areata and Iron Deficiency Anemia: A Large-Scale Population-Based Case-Control Study.
    Davidovici B; Drutin Y; Ben-Tov A; Mimouni D; Wohl Y · Journal of personalized medicine · 2026
    Case-control study100,203 participantsHair Health forIron
  2. Iron Deficiency and Nonscarring Alopecia in Women: Systematic Review and Meta-Analysis.
    Treister-Goltzman Y; Yarza S; Peleg R · Skin appendage disorders · 2022
    Meta-analysis10,029 participants36 studies pooledHair Health forIron
  3. Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
    Chinisaz F; Maleki T; Najjari K; Miratashi Yazdi SA · Obesity surgery · 2026
    Cohort study261 participantsHair Health forIron
  4. Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium.
    Thamotharan N; Harikumar MV; Sundaram M; Swaminathan A; Rangarajan S · Cureus · 2026
    Cross-sectional study100 participantsHair Health forIron
  5. Diagnosis and treatment of female alopecia: Focusing on the iron deficiency-related alopecia.
    Lin CS; Chan LY; Wang JH; Chang CH · Tzu chi medical journal · 2023
    Cohort study155 participantsHair Health forIron
  6. Topical tretinoin for hair growth promotion.
    Bazzano GS; Terezakis N; Galen W · Journal of the American Academy of Dermatology · 1986
    Non-randomized trial56 participantsHair Health forVitamin A
  7. A review of isotretinoin in the treatment of frontal fibrosing alopecia.
    Shahpar A; Nezhad NZ; Sahaf AS; Ahramiyanpour N · Journal of cosmetic dermatology · 2024
    Systematic review232 participants15 studies pooledHair Health forVitamin A
  8. Efficacy of Isotretinoin and Acitretin in Treatment of Frontal Fibrosing Alopecia: Retrospective Analysis of 54 Cases.
    Rakowska A; Gradzińska A; Olszewska M; Rudnicka L · Journal of drugs in dermatology : JDD · 2018
    Cohort study54 participantsHair Health forVitamin A
  9. Systemic Treatments for Lichen Planopilaris and Frontal Fibrosing Alopecia: A Retrospective Study of 315 Patients.
    Willaert M; Van Dongen T; Dikrama P; Nijsten T; Hijnen D; Waalboer-Spuij R · Acta dermato-venereologica · 2025
    Cohort study315 participantsHair Health forVitamin A
  10. Tretinoin enhances minoxidil response in androgenetic alopecia patients by upregulating follicular sulfotransferase enzymes.
    Sharma A; Goren A; Dhurat R; Agrawal S; Sinclair R; Trüeb RM; Vañó-Galván S; Chen G; Tan Y; Kovacevic M; Situm M; McCoy J · Dermatologic therapy · 2020
    Single-arm trialHair Health forVitamin A
  11. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  12. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  13. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  14. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  15. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  16. Predictive Model of Nail Consistency Using Scanning Electron Microscopy with Energy-Dispersive X-Ray.
    Mingorance Álvarez E; Martínez Quintana R; Pérez Pico AM; Mayordomo R · Biology · 2021
    Cross-sectional study57 participantsNail Health forCalcium
  17. A pilot iron substitution programme in female blood donors with iron deficiency without anaemia.
    Pittori C; Buser A; Gasser UE; Sigle J; Job S; Rüesch M; Tichelli A; Infanti L · Vox sanguinis · 2011
    Non-randomized trial224 participantsNail Health forIron
  18. Evaluation of nail abnormalities.
    Tully AS; Trayes KP; Studdiford JS · American family physician · 2013
    Narrative reviewNail Health forIron
  19. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forIron Nail Health forZinc
  20. Efficacy and tolerability of a biomineral formulation for treatment of onychoschizia: a randomized trial
    Adele Sparavigna, Beatrice Tenconi, Laura La Penna · Clinical, Cosmetic and Investigational Dermatology · 2019
    Randomized trial48 participantsNail Health forIron