Collagen vs Biotin: Which is Right For You?

Collagen vs biotin for hair growth

So you are here because you have heard the buzzwords, “collagen” and “biotin” and their magical effects on hair growth. But what about collagen vs biotin? How do they compare? Using collagen v biotin for hair growth is something we have seen become a trend in recent history, but which one is right for you? What are the differences between collagen vs biotin? The key to finding the best hair growth supplement is understanding how collagen and biotin work to aid hair growth. 

Collagen vs Biotin 

Let’s break down the difference between collagen vs biotin for hair growth. 

What is Biotin?

Biotin, also known as Vitamin B7, has a big role in helping enzymes in your body to break down fats, carbohydrates, and proteins in food. The suggested daily intake of biotin for men and women over the age of 19, including women who are pregnant) is 30 micrograms. This is a very small amount!  However, for women who are lactating, it is suggested they increase their daily intake to 35 micrograms.

Foods that have high levels of biotin include; 

  • Organ meats
  • Eggs
  • Fish
  • Meat
  • Seeds
  • Nuts
  • Certain vegetables, such as sweet potatoes 

Biotin v collagen for Hair Growth 

Because a lack of Vitamin B7 can be a contributor to hair thinning and hair loss, eating Vitamin B7 enriched foods or taking supplements can help your hair. This is because biotin works by supporting a key hair protein called Keratin, which is a protein found in hair, skin, and nails

What is Collagen? 

What about biotin vs collagen, especially for hair growth? Collagen is a structural protein that is found in the deeper layers of the skin. This is the key difference between collagen vs biotin - biotin is a much smaller ingredient whereas collagen is a gigantic protein!

Collagen is one of the largest proteins found in the body. Oral supplements are often used to promote the strengthening of the integumentary system (our skin!). 

Foods to eat that help boost collagen production:

  • Bone broth
  • Chicken
  • Fish and shellfish
  • Egg whites
  • Fruits
  • Vegetables 
  • Leafy greens
  • Garlic

Collagen v biotin for Hair Growth 

Collagen works to support healthy hair starting at the scalp. It provides a moisturizing effect by retaining water on the surface of the scalp, keeping it hydrated. Keeping our scalp hydrated keeps it healthy, which can indirectly slow hair thinning that can come with aging or hair thinning and hair breakage caused by dryness. 

Biotin vs collagen for hair growth

Overall, we have learned that if you are experiencing a nutritional deficiency, adding supplements such as biotin and collagen could benefit your hair and help combat hair loss. Adding collagen vs biotin, or both into your diet can help you to maintain your overall well-being. But for most individuals, eating a healthy daily diet will supply you with more than enough collagen and biotin.

But when it comes down to collagen vs biotin for hair growth, the key is not whether one is better for you than the other. Actually, the key to maintaining a healthy head of hair is to eat a well-balanced diet, stay hydrated, and get sufficient exercise. Collagen vs biotin can support healthy healthier hair, but indirectly. Incorporate more targeted products, such as the Hair Revival Serum to directly support thicker, fuller looking hair. If you are experiencing severe hair loss or hair thinning, it is important to consult a doctor to rule out any underlying conditions that could be contributing to your hair loss.
Profile photo for Evan Zhao

Reviewed by: Evan Zhao, PhD |

Evan is a synthetic biologist and chemical engineer. He completed his BS from Caltech, and his MA and PhD from Princeton University. He received the prestigious Schmidt Science Fellowship as a postdoctoral fellow at MIT/Harvard and has published in the world's top scientific journals including Nature, Nature Biotechnology, Nature Chemical Biology, and more.

Written by: Revela Editorial Team |

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