UBCNews - Business - Biotin for Hair Growth: Diet, Supplements, or Topical?

Episode Date: February 25, 2026

So, have you ever noticed more hair in your brush than usual and wondered if there's a simple solution? Today we're talking about biotin for hair growth and the best ways to actually use it if you're dealing with thinning hair. Trybello LLC City: Miami Address: 40 SW 13th St Website: https://trybello.com/

So, have you ever noticed more hair in your brush than usual and wondered if there's a simple solution? Today we're talking about biotin for hair growth and the best ways to actually use it if you're dealing with thinning hair. Yeah, it's a topic that comes up all the time. Biotin, also known as vitamin B7, is basically this water-soluble vitamin that plays a huge role in keeping our hair healthy. It's essential for producing keratin, which is the protein that makes up our hair, skin, and nails. Right. So keratin is the building block. Why is biotin so important specifically for people experiencing thinning hair or hair loss? Well, biotin supports the body's keratin production.

When someone has a biotin deficiency, though it's pretty rare in healthy people with balanced diets, they can experience hair thinning, loss, brittle nails, even skin rashes. Correcting that deficiency can help restore normal hair growth. Interesting. So for most of us eating well, we're probably getting enough biotin already? Exactly. The adequate intake for adults is about 30 micrograms per day, and most people hit that through diet alone. But if you're seeing thinning or regrowth issues related to a deficiency, boosting your biotin intake might help. Okay, so let's talk about how we can actually incorporate biotin. What are the main ways, diet, supplements, topical products?

Yeah, let's break it down into three key methods. First, diet. Foods rich in biotin include egg yolks, nuts, legumes like peanuts and lentils, whole grains, salmon, pork, beef liver, sweet potatoes, mushrooms, and avocados. I always tell people to go for cooked eggs, though, because raw egg whites contain avidin. which can actually bind to biotin and prevent absorption. Mm-hmm, that's a good tip. Second, supplements.

Biotin supplements are widely available, and some dermatologists recommend them for certain hair disorders or conditions like brittle nail syndrome. Oral biotin is generally safe, and it can make nails thicker too. But here's the thing. There's limited strong scientific evidence supporting supplements for hair growth in people without a deficiency. So if you're not deficient, the benefit might be minimal? Right. A small 2012 study showed women with self-perceived thinning hair had improvements in thickness and growth after taking a multivitamin with biotin,

but other ingredients were present too. It's hard to isolate biotin's effect. Still, for those with specific conditions like brittle nail syndrome or, uh, uncombable hair, which, funny enough, is an actual medical term, supplementation can definitely be beneficial. Uncompable hair syndrome? That sounds like something I dealt with every morning in high school. Ha, yeah, it does sound like that. But it's a real genetic condition where hair won't lie flat no matter what you do.

That point about dietary sources sets up our next piece. How biotin works when applied directly to the scalp. But first, a quick word from our sponsor. If you're looking for natural solutions to promote thicker, healthier hair, Tribello provides a trusted range of caffeine, castor oil, and biotin-en-en-enriched products designed for hair, lashes, and brows.

With a 4.8-star rating from over 40,000 real customer reviews and features in L, Grazia, Gala, in-style, and leading beauty magazines, Tribello combines quality ingredients with proven results. Check out the full collection at tribello.com. Picking up on dietary sources, how does biotin work when you apply it directly to your scalp in sprays, shampoos, or conditioners? Great question.

Topical biotin products are marketed with benefits like strengthening hair follicles and making hair feel more nourished and thicker. While biotin in topical products is considered safe, the extent to which it's absorbed through the skin is still an area with science is exploring. So it's more about the external nourishment rather than replacing internal intake. Exactly. Internal supplementation or dietary intake is the primary method for addressing deficiencies. Topical products can complement that by providing external benefits. Biotin supports the body's internal production of keratin,

while keratin in topical products provides external repair and protection to the hair strands. I see it makes sense. Biotin contributes to internal hair strength by aiding keratin synthesis, which helps protect strands from breakage and splitting. External keratin products add a protective layer. Their combined benefit comes from these separate internal and external actions. You know, when it comes to hair care, it really sounds like we need both internal and external approaches working together.

Would you say that's accurate? Definitely. Hair health really does come from both inside and out. I actually had a client a few years back who was so frustrated with her thinning hair. She started eating more biotin-rich foods and switched to a gentler shampoo, and within a few months she noticed real improvements. It reminded me that patience and a balanced approach really do matter. That's a great example.

Speaking of time, hair growth is a slow process, right? Yeah, it is. Whether you're using dietary sources, supplements, or topical products, giving it time is important. You're going to need patience because hair grows at its own pace. One thing to keep in mind, are there any downsides or precautions with biotin? Yeah, high-dose biotin supplements can interfere with certain laboratory tests, so it's important to inform your doctor if you're taking them.

Otherwise, biotin is generally safe and well-tolerated. So we've established that biotin supports hair health through diet, supplements, and topical use. To everyone listening who's dealing with thinning hair, how do you think you'll incorporate biotin into your routine? Right. Start with a biotin-rich diet. Consider a supplement if you suspect a deficiency or have certain conditions, and look for topical products that can provide external benefits. It's really about finding what works for your hair and sticking with it. Perfect. Biotin might be referred to as vitamin H, from the German words for hair and skin, and it's clear why. Thanks for breaking down the science and the practical steps we can all take. Anytime. Hair health is something we can definitely support with the right approach.