Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
Patel MN; Maheshvari J; Patel N · Cureus · 2025
Randomized trial105 participantsflagHair Health forscienceBiotin
- Low serum biotinidase activity in children with valproic acid monotherapy.
Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
Clinical trial125 participantsflagHair Health forscienceBiotin
- Vitamins A, B, C, and D: A Short Review for the Dermatologist.
Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
Narrative reviewflagHair Health forscienceBiotin
- The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
Narrative reviewflagHair Health forscienceBiotin
- 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 participantsflagHair Health forscienceIron
- 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 pooledflagHair Health forscienceIron
- 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 participantsflagHair Health forscienceIron
- 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 participantsflagHair Health forscienceIron
- 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 participantsflagHair Health forscienceIron
- Beyond Efficacy: 0.6% Selenium Disulfide Shampoo Matches 2% Ketoconazole for Seborrheic Dermatitis with Superior Cosmesis.
Farris PK; Barbosa V; Houshman EB; Kovylkina N · Journal of drugs in dermatology : JDD · 2026
Randomized trial87 participantsflagHair Health forscienceSelenium
- Selenium Disulfide-based shampoo applied for 4 weeks significantly improves dandruff and seborrheic dermatitis.
Turcu G; Artenie C; Nowicka D; Arenbergerová M; Lazaridou E; Khobzei K; Ataseven A; Part M; Leclerc-Mercier S · European journal of dermatology : EJD · 2023
Observational study1,407 participantsflagHair Health forscienceSelenium
- A Comparative Randomized Clinical Study Assessing the Efficacy of a 1% Selenium Disulfide-Based Shampoo versus 2% Ketoconazole Shampoo in Subjects with Moderate to Severe Scalp Seborrheic Dermatitis.
Barbosa V; Melo DF; Vañó-Galván S; Lutchmanen-Kolanthan V; Sant'Anna B; Leclerc-Mercier S; Reygagne P · Skin appendage disorders · 2025
Randomized trial64 participantsflagHair Health forscienceSelenium
- Changes of serum trace elements level in patients with alopecia areata: A meta-analysis.
Jin W; Zheng H; Shan B; Wu Y · The Journal of dermatology · 2018
Meta-analysis764 participantsflagHair Health forscienceSelenium
- Scientific opinion on the tolerable upper intake level for selenium.
EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA); Turck D; Bohn T; Castenmiller J; de Henauw S; Hirsch-Ernst KI; Knutsen HK; Maciuk A; Mangelsdorf I; McArdle HJ; Peláez C; Pentieva K; Siani A; Thies F; Tsabouri S; Vinceti M; Aggett P; Crous Bou M; Cubadda F; Ciccolallo L; de Sesmaisons Lecarré A; Fabiani L; Titz A; Naska A · EFSA journal. European Food Safety Authority · 2023
Systematic reviewflagHair Health forscienceSelenium
- Topical tretinoin for hair growth promotion.
Bazzano GS; Terezakis N; Galen W · Journal of the American Academy of Dermatology · 1986
Non-randomized trial56 participantsflagHair Health forscienceVitamin A
- 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 pooledflagHair Health forscienceVitamin A
- 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 participantsflagHair Health forscienceVitamin A
- 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 participantsflagHair Health forscienceVitamin A
- 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 trialflagHair Health forscienceVitamin A
- Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
Narrative reviewflagHair Health forscienceVitamin C
- Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
Methods validation study201,019 participantsflagHair Health forscienceVitamin C
- Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
Observational studyflagHair Health forscienceVitamin C
- Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
Methods validation studyflagHair Health forscienceVitamin C
- A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
Case reportflagHair Health forscienceVitamin C
- Increased prevalence of vitamin D deficiency in patients with alopecia areata: a systematic review and meta-analysis.
Lee S; Kim BJ; Lee CH; Lee WS · Journal of the European Academy of Dermatology and Venereology : JEADV · 2018
Meta-analysis2,039 participants14 studies pooledflagHair Health forscienceVitamin D
- Intralesional vitamin D3 in treatment of alopecia areata: A randomized controlled clinical trial.
Rashad AF; Elgamal E; Fouda I · Journal of cosmetic dermatology · 2022
Randomized trial60 participantsflagHair Health forscienceVitamin D
- Vitamin D and its Analogs in Treatment of Mild to Moderate Alopecia Areata: Systematic Review and Meta-Analysis.
Alsaati AA; Kaliyadan F; Alsaadoun D; Alzakry LM; Alzabadin RA; Hakami TH; Rubaian NFB · Indian dermatology online journal · 2025
Meta-analysisflagHair Health forscienceVitamin D
- Topical calcipotriol vs narrowband ultraviolet B in treatment of alopecia areata: a randomized-controlled trial.
El Taieb MA; Hegazy EM; Ibrahim HM; Osman AB; Abualhamd M · Archives of dermatological research · 2020
Randomized trial60 participantsflagHair Health forscienceVitamin D
- Serum 25 hydroxyvitamin D in non-scarring alopecia: A systematic review and meta-analysis.
Chen Y; Dong X; Wang Y; Li Y; Xiong L; Li L · Journal of cosmetic dermatology · 2024
Meta-analysis10,670 participants23 studies pooledflagHair Health forscienceVitamin D
- Effects of tocotrienol supplementation on hair growth in human volunteers.
Beoy LA; Woei WJ; Hay YK · Tropical life sciences research · 2014
Randomized trial38 participantsflagHair Health forscienceVitamin E
- Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
Meta-analysis1,658 participants19 studies pooledflagHair Health forscienceVitamin E
- Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review.
Drake L; Reyes-Hadsall S; Martinez J; Heinrich C; Huang K; Mostaghimi A · JAMA dermatology · 2023
Systematic review30 studies pooledflagHair Health forscienceVitamin E
- 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 participantsflagHair Health forscienceZinc
- 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 trialflagHair Health forscienceZinc
- 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 participantsflagHair Health forscienceZinc
- 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 participantsflagHair Health forscienceZinc
- Analysis of serum zinc and copper concentrations in hair loss.
Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
Case-control study342 participantsflagHair Health forscienceZinc