Is collagen or biotin better for hair growth?

We all seek to have impactful hair since abundant, shiny, and healthy hair has always been synonymous with beauty and health.

With time, either because we are aging, due to health situations, or even pregnancies (in the case of women) normally, we notice that our hair is not the same and loses strength and even begins to fall out more than normal.

To avoid or reduce this type of situation we can resort to the consumption of different nutritional supplements or vitamins.

When it comes to hair growth, the most recommended are hydrolyzed collagen and biotin.

Biotin or Collagen? We will tell you about it in this article.

Related topic: Best collagen supplement for hair growth

What are collagen and biotin?

biotin is a vitamin


Collagen is a protein that the body produces and is necessary to keep our hair, nails, skin, and joints healthy and in good condition.

There are more than 20 types of collagen, and although the body itself is responsible for producing it, over time, more specifically after 25 years; its production decreases.

That is why the consumption of collagen supplements is recommended, whether in powder, liquid, capsules, or gummies.


Unlike collagen, biotin is a type of B vitamin, better known as vitamin B7, B8, vitamin H, or even coenzyme R.

Like collagen, you can absorb it from different foods such as eggs, dried fruits, grains, and fish fat.

Biotin has as its main function, to help the body when it processes fats, proteins, and carbohydrates to convert them into energy.

In addition to this, biotin regulates blood sugar, cell growth.

Another benefit that biotin brings to our body is to improve the thickness of the nails, as well as avoid skin eruptions.

Related topic: What type of collagen powder does Jennifer Aniston use?

Which is better for hair growth?

Although both supplements are good allies in keeping hair healthy and strong, they work very differently.

Well, studies suggest that biotin works more like a vitamin that provides strength to nails and skin.

However, these same studies have shown that people who consume these types of supplements also have an improvement in hair growth.

On the other hand, it is proven that collagen is an excellent supplement when one of the objectives is to strengthen the hair and prevent hair loss, as well as to strengthen the nails, improve the appearance of the skin and strengthen the joints.

One of the reasons why collagen can help hair growth is that it is a protein made of amino acids such as proline, which is essential for the generation of keratin, benefiting hair follicles.

In conclusion, both collagen and protein supplements are an option to improve the condition of the hair and prevent or reduce hair loss.

We suggest you do a combination of both for best results, do not worry about mixing these supplements, as we mentioned before, collagen is a protein, while biotin is a vitamin, so you can take both.

You may also like: How to choose collagen supplement?

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