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What Is Better for Thinning Hair: Biotin or Collagen?

You’ve definitely heard about biotin and collagen if you’re looking for better supplements for thinning hair. These two terms have become household names in the beauty business, with more and more hair products touting them as miraculous components. So which is better for hair growth?

Biotin is better than collagen if you’re looking for a solution to thinning hair and maintaining hair growth. The former has better topic absorption and can be found in a balanced diet. Collagen levels are challenging to boost, and even using supplements might not be as effective as they seem. Therefore, biotin as supplements and shampoo is better for thinning hair.

This article will examine these two supplements to determine which is better for thinning hair. Once you can get the answers to your questions, you’d be able to make informed decisions about which to choose. 

What Is Biotin?

Biotin is essentially vitamin B7, and is also often referred to as vitamin H. The most crucial function of this vitamin is to turn the food  you eat into fuel for your body. It can aid with everything from hair and skin to nails and eyes to nervous system health. 

Biotin is abundant in everyday foods, including organ meats, Egg yolks, legumes, cauliflower, sweet potatoes, legumes, nuts, and seeds. Therefore, most individuals obtain enough through their diets.

What Is Collagen?

Collagen is a type of protein and is, in fact, the primary protein present in our bodies. It’s a structural protein whose name comes from the Greek word for “glue,” and it’s widely regarded as a critical component of the human body. 

Collagen is commonly found in connective tissues, like joints and the cartilage that surrounds organs. Its supplements are widely used to support strong nails and are better for thinning hair. Collagen is also effective for relieving joint discomfort and increasing lean muscle mass. 

Biotin vs. Collagen: Similarities

These two components are similar in a few ways:

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Health Benefits

Biotin is an essential vitamin that plays various roles in the body. It has the following health benefits:

  • Promotes carbohydrate, protein, and fat metabolism
  • Necessary for the creation of hair follicles and skin cells 
  • Maintains healthy hair, skin, and nails

Collagen, the body’s major protein, serves several essential functions. Hair, skin, and nails benefit from this supplement, which is most effective when taken with other essential nutrients. You can take these alongside vitamin C, beta-carotene, biotin, and the metals copper and zinc. 

In total, there are around two dozen varieties of collagen. Below are the most frequent types in the body and their health advantages:

  • Type 1: These are the building blocks for bones
  • Type 2: aids in the cushioning of joints
  • Type 3: keeps organs, arteries, and muscles healthy

Both Are Present in the Food

Biotin is common in most meals. You’d find them in:

  • Meat
  • Dairy products
  • Fish
  • Nuts 
  • Whole grain
  • Seeds
  • Vegetables
  • Yeast
  • Fruits

Collagen is also present in some food, including:

  • The tendons, ligaments, and bones of fish, beef, pork, and poultry 
  • Broth made with animal bones 

Eating a lot of food with high protein content is another effective way of boosting collagen.

Biotin vs. Collagen: Differences 

Though both are good for healthy hair growth, they are very different elements. Here are the distinctions between collagen and biotin.

Topical Application

Both biotin and collagen have the same effect on hair development. They improve hair’s general health by supporting keratin, the protein in its structure.

Supplements like biotin and collagen operate similarly since they are taken orally. Your body breaks them down into their fundamental components. The objective is then for your body to absorb the necessary nutrients needed for thinning hair.

Topical application, on the other hand, is a little different.

The size of the collagen molecule prevents it from passing through the epidermis (your scalp). Therefore, the most collagen-laden shampoo will only touch your scalp for a moment before being rinsed off. In other words, collagen doesn’t work when applied topically.

On the other hand, biotin works well when administered to the hair directly. Biotin, unlike collagen, can be absorbed via the skin and scalp. If applied daily, it will increase the amount of biotin in your hair. This will aid in the normal growth cycle of your hair.

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Structure and Function

Biotin is a vitamin B7 or vitamin H present in bones, muscles, tendons, and skin. Meanwhile, collagen present in the human muscles, tendons, and skin, is a fibrous protein. The former is also necessary for the metabolization of fatty acids and to promote cell growth. In contrast, collagen is necessary for structural support and strength.

Furthermore, biotin promotes hair health by assisting in the breakdown of macronutrients for cell regeneration and development. However, collagen delivers essential amino acids and proteins needed for hair follicle growth.


Both nutrients can be found in certain foods but not the same ones. For instance, egg yolk is filled with biotin, while the egg white is rich in collagen. 

You can also get biotin from mushrooms, bananas, sweet potatoes, yeast, fatty fish, mushrooms, cauliflower, etc. On the other hand, collagen is present in shellfish, broth, cheese, and red, lean meat. 

Conclusion: What Is Better for Thinning Hair Biotin or Collagen?

Collagen and biotin are two entirely different substances with distinct features. However, both are common when looking for better components for thinning hair. 

You can increase your biotin intake in your diet by choosing foods high in biotin. Biotin and vitamin C can also be added to a multivitamin to boost your body’s collagen production. 

So, should you choose biotin or collagen to promote hair growth? There is no need to pick between biotin and collagen when promoting hair development. They work best together.

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