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 participantsflagSkin Health flagHair Health flagNail Health forscienceBiotin
- Anti-pollution cosmetic-based one-step formation of w/o/w multiple emulsion containing D-biotin for skin protection: fabrication and in vitro and in vivo evaluation.
Ali A; Iqbal S; Ilyas A; Khan H; Asad MHHB; Fatima N; Akhtar N · Drug delivery and translational research · 2020
Non-randomized trial15 participantsflagSkin Health forscienceBiotin
- Interventions for infantile seborrhoeic dermatitis (including cradle cap).
Victoire A; Magin P; Coughlan J; van Driel ML · The Cochrane database of systematic reviews · 2019
Systematic review35 participants2 studies pooledflagSkin Health forscienceBiotin
- Final report on the safety assessment of biotin.
Fiume MZ; Cosmetic Ingredient Review Expert Panel · International journal of toxicology · 2002
Narrative reviewflagSkin 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
- 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
- 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 flagSkin Health forscienceBiotin
- Biotin for the treatment of nail disease: what is the evidence?
Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
Narrative reviewflagNail Health forscienceBiotin
- Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
Other32 participantsflagNail Health forscienceBiotin
- Brittle nails: response to daily biotin supplementation.
Hochman LG; Scher RK; Meyerson MS · Cutis · 1993
Case series35 participantsflagNail Health forscienceBiotin
- Nail Supplements: When, How, and Why?
Zaraa I; Richert B · Skin appendage disorders · 2026
Narrative reviewflagNail Health forscienceBiotin
- Brittle nails.
Iorizzo M; Pazzaglia M; M Piraccini B; Tullo S; Tosti A · Journal of cosmetic dermatology · 2009
Narrative reviewflagNail Health forscienceBiotin
- 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
- Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
Randomized trial50 participantsflagNail Health forscienceBiotin
- Vitamins and minerals: their role in nail health and disease.
Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
Narrative reviewflagNail Health forscienceBiotin
- Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
Non-randomized trial60 participantsflagSkin Health forscienceBiotin
- Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
Non-randomized trial25 participantsflagSkin Health forscienceBiotin
- Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
Case series4 participantsflagSkin Health forscienceBiotin
- Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
Randomized trial23 participantsflagSkin Health forscienceVitamin C
- Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
Randomized trial149 participantsflagSkin Health forscienceVitamin C
- Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
Randomized trial25 participantsflagSkin Health forscienceVitamin C
- Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
Randomized trial16 participantsflagSkin Health forscienceVitamin C
- Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
Cross-sectional study4,025 participantsflagSkin Health forscienceVitamin C
- Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
Meta-analysis2,088 participants20 studies pooledflagSkin Health forscienceZinc
- Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
Cohort study23 participantsflagSkin Health forscienceZinc
- Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
Randomized trial30 participantsflagSkin Health forscienceZinc
- A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
Randomized trial90 participantsflagSkin Health forscienceZinc
- Evidence-Based Nutritional Interventions in Wound Care.
Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
Systematic review2,339 participants36 studies pooledflagSkin Health forscienceZinc