As well as helping to metabolise your food and make fatty acids, biotin is known to be critical for maintaining normal
hair and skin.
1 Biotin and hair growth is talked about a lot on social media, but does it actually work?
Research examining whether biotin can help with hair growth is extremely limited – there isn’t a huge amount out there aside from a few case studies with some promising outcomes. For example, one case study found that people with hair conditions, like uncomable hair syndrome, may see an improvement in hair texture.6 But, as case studies don’t provide large-scale evidence, we can’t say for definite if biotin can help with hair growth.6-8
A review of the use of biotin for hair loss across 18 different case reports and clinical trials found that all cases showed evidence of hair improvement after taking biotin supplements.9
However, research into biotin is still limited and further research is needed to confirm if it can help with hair growth.9
Biotin does help maintain normal hair, however, so it’s still important to get enough through your diet.