Biotin per Dry Skin
D Ricerca Esiste solo ricerca preliminare (studi di laboratorio, segnalazioni di casi).Biotin supports fatty acid synthesis in the stratum corneum. Deficiency causes dry skin, but evidence for supplementation in non-deficient individuals is limited.
In sintesi
Biotin supports fatty acid synthesis in the stratum corneum. Deficiency causes dry skin, but evidence for supplementation in non-deficient individuals is limited.
Key Study Findings
Popolazione: General population (skin health review)
Key Statistics
2
Studi
100
Partecipanti
Positive
Grado
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosaggi di uso comune
- general:
- 30 mcg/day (AI)
- skinhairnails:
- 2,500-5,000 mcg/day
Limite massimo: No established UL (water-soluble); may interfere with lab tests at high doses
Dosaggi studiati nella ricerca
| Dosaggio | Durata | Effetto | N |
|---|---|---|---|
| Vitamin B complex (various B vitamins including niacinamide/NAD+ precursor) | -- | Positive | -- |
| F1: biotin 0.5%, caffeine 2.0%, niacinamide 2.0%; F2: finasteride 0.1%, minoxidil 1.0%, tretinoin 0. | 26 weeks | Positive | -- |
| not applicable | -- | Mixed | 180 |
| 14 nutritional compounds (vitamins, minerals, etc.) | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Neutral | 144 |
Momento migliore per l'assunzione: With meals for better absorption
Safety & Side Effects
Effetti collaterali segnalati
- ⚠ Generally well-tolerated
- ⚠ May cause acne breakouts at high doses (> 5,000 mcg)
- ⚠ Interferes with troponin and thyroid laboratory tests
Interazioni note
- ● Laboratory test interference (troponin, thyroid panels, vitamin D assays)
- ● Anticonvulsants (carbamazepine, phenytoin may reduce biotin levels)
- ● Prolonged antibiotic use (may reduce gut biotin synthesis)
Livello di assunzione massimo tollerabile: No established UL (water-soluble); may interfere with lab tests at high doses
Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.
Frequently Asked Questions
Does Biotin help with Dry Skin?
How much Biotin should I take for Dry Skin?
Are there side effects of Biotin?
How strong is the evidence for Biotin and Dry Skin?
Related Evidence
Altri ingredienti per Dry Skin
Biotin per altre condizioni
References
- [1] Carolina Schettino Kegele et al.. Int J Pharm Compd. 2025. Personalized Compounded Hair Loss Treatments: A Compatibility Assessment of the TrichoConcept™ Vehicle Line. PubMed
- [2] Feiya Du et al.. Int J Vitam Nutr Res. 2025. Advanced Applications of Vitamin B Complex in Plastic and Cosmetic Surgery: Mechanisms and Therapeutic Benefits. doi:10.31083/IJVNR39087 PubMed
- [3] Irem Nur Durusu Turkoglu et al.. J Cosmet Dermatol. 2024. A comprehensive investigation of biochemical status in patients with telogen effluvium: Analysis of Hb, ferritin, vitamin B12, vitamin D, thyroid … doi:10.1111/jocd.16512 PubMed
- [4] Jacek Januszewski et al.. Medicina (Kaunas). 2023. Nutritional Supplements for Skin Health-A Review of What Should Be Chosen and Why. doi:10.3390/medicina60010068 PubMed
- [5] Katherine G Thompson et al.. J Am Acad Dermatol. 2021. Dietary supplements in dermatology: A review of the evidence for zinc, biotin, vitamin D, nicotinamide, and Polypodium. doi:10.1016/j.jaad.2020.04.123 PubMed
- [6] Thomas Hengl et al.. J Photochem Photobiol B. 2018. Cystine-thiamin-containing hair-growth formulation modulates the response to UV radiation in an in vitro model for growth-limiting conditions of human keratinocytes. doi:10.1016/j.jphotobiol.2018.09.005 PubMed
- [7] Ralph M Trüeb. Int J Trichology. 2016. Serum Biotin Levels in Women Complaining of Hair Loss. doi:10.4103/0974-7753.188040 PubMed
- [8] Thamer Mubki. J Cutan Med Surg. 2014. Use of Vitamins and Minerals in the Treatment of Hair Loss: A Cross-Sectional Survey among Dermatologists in Saudi Arabia. doi:10.2310/7750.2014.14008 PubMed
- [9] Michael W Cashman et al.. Clin Dermatol. 2010. Nutrition and nail disease. doi:10.1016/j.clindermatol.2010.03.037 PubMed
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