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SkinCited

Biotin per Dry Skin

D

Biotin supports fatty acid synthesis in the stratum corneum. Deficiency causes dry skin, but evidence for supplementation in non-deficient individuals is limited.

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            D

        

        

            
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 Statistics





            


    

        
2

        
Studi

    

    

        
100

        
Partecipanti

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Grado

    




        


        
        

        
        
        

            

  
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
                

                
            

            

            

            
            

                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?
            
        
        

            Based on 2 studies with 100 participants, there is preliminary evidence that needs more research that Biotin may support Dry Skin management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Biotin should I take for Dry Skin?
            
        
        

            Studies have used various dosages. A commonly studied range is 30 mcg/day (AI). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Biotin?
            
        
        

            Reported side effects may include Generally well-tolerated, May cause acne breakouts at high doses (> 5,000 mcg), Interferes with troponin and thyroid laboratory tests. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Biotin and Dry Skin?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 100 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Biotin per altre condizioni

                    

                        
                        
                            Hair, Skin & Nails Health
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

        Avvertenza FDA:
        Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.