Which Type of Collagen is Best for Hair Growth

Table of Contents

1. Introduction
2. The Relationship Between Collagen and Hair
3. Identifying the Different Types of Collagen
4. Choosing the Best Source: Bovine vs. Marine
5. The Importance of Hydrolyzed Collagen
6. How Collagen Supports the Hair Growth Cycle
7. Comparing Collagen and Biotin
8. Practical Tips for Using Collagen for Hair Growth
9. What to Look for in a Supplement
10. Realistic Expectations for Hair Growth
11. The BUBS Naturals Difference
12. Conclusion
13. FAQ

Introduction

Finding more hair than usual in your shower drain or hairbrush can be a frustrating experience. While many factors like stress, genetics, and nutrition play a role in hair health, many people turn to supplements to support their natural growth cycle. Collagen has become a massive topic of conversation in the wellness world, often praised for its ability to support skin, joints, and nails. However, its specific role in helping you maintain a full, healthy head of hair is where things get interesting.

At BUBS Naturals, we believe that understanding the science behind your supplements is the first step toward better results. If you want a clean starting point, our Collagen Peptides fit that goal.

We will explore the differences between Type I, II, and III collagen, the benefits of bovine versus marine sources, and how these proteins actually interact with your hair. Our goal is to provide a clear, evidence-based look at which type of collagen is best for hair growth so you can make an informed choice for your daily routine.

Quick Answer: Type I collagen is widely considered the best for hair growth because it is the most abundant in the body and highly concentrated in the amino acids required to build keratin. Supplements containing hydrolyzed Type I and Type III collagen, particularly from bovine or marine sources, provide the most comprehensive support for hair thickness and follicle health.

The Relationship Between Collagen and Hair

To understand which collagen is best, you first need to understand what your hair is actually made of. Your hair is primarily composed of a protein called keratin. While collagen itself is not a major component of the hair strand, it provides the essential building blocks the body needs to produce that keratin.

For a deeper look at the habits that support collagen production, see what helps your body produce collagen naturally.

Collagen is the most abundant protein in the human body. It acts as the "glue" that holds everything together, from your skin and bones to your tendons and ligaments. As we age, our natural production of this protein begins to slow down. By the time we reach our 40s, we may be producing significantly less collagen than we did in our early 20s. This decline often manifests as thinner skin, stiffer joints, and hair that feels more brittle or grows more slowly.

The Role of Amino Acids

Collagen is made up of several amino acids, but three stand out: proline, glycine, and hydroxyproline. Proline is particularly important because it is the primary component of keratin. When you consume a high-quality collagen supplement, your body breaks that protein down into these specific amino acids. It then uses those "raw materials" to build the proteins your hair needs to stay strong and resilient.

Supporting the Dermis

Your hair grows out of a follicle, which is rooted in the dermis—the middle layer of your skin. About 70% of your dermis is made of collagen. If the dermis is weak or lacking structural integrity, it cannot provide the necessary environment for healthy hair follicles to thrive. By supporting the health and elasticity of the dermis, collagen indirectly supports the strength and longevity of the hair that grows from it.

Identifying the Different Types of Collagen

There are at least 28 different types of collagen in the human body, but about 90% of it consists of Types I, II, and III. Each type serves a different purpose and is found in different tissues. When you are shopping for a supplement specifically for hair growth, you need to know which of these is on the label. If you want a more guided option, the Collagen Club keeps the routine simple.

Type I Collagen

Type I is the most abundant form of collagen in the body. It is found in your skin, bones, tendons, and connective tissues. Because it is a major component of the dermis, it is the most important type for hair and skin health. It is exceptionally strong and provides the structural support needed for a healthy scalp environment.

Type II Collagen

Type II collagen is primarily found in cartilage. It is the type people usually take when they are focused on joint health, particularly for cushioning the knees or hips. While Type II is vital for mobility and active lifestyles, it does not play a significant role in hair growth or skin elasticity.

Type III Collagen

Type III collagen is often found alongside Type I. It is common in muscles, arteries, and organs. It contributes to the elasticity of the skin and the health of the cardiovascular system. In supplements, Type I and Type III are frequently paired together because they complement each other in supporting the body's structural integrity.

Key Takeaway: For hair growth and thickness, prioritize a supplement that contains Type I collagen. While Type III provides excellent secondary support for skin elasticity, Type I is the heavy lifter for hair follicle health and keratin production.

Choosing the Best Source: Bovine vs. Marine

The source of the collagen determines which types are present and how easily your body can absorb them. The two most common sources in high-quality supplements are bovine (cow) and marine (fish).

Bovine Collagen

Bovine collagen is typically sourced from cow hides. It is a powerhouse for hair health because it contains a high concentration of both Type I and Type III collagen. This combination is excellent for someone who wants to support their hair, skin, and overall recovery. For a closer look at quality and results, read Is BUBS Naturals Collagen Good?.

Our Collagen Peptides are sourced from grass-fed, pasture-raised bovine hides. We chose this source because it provides a clean, effective profile of amino acids that supports various wellness goals, from muscle recovery to hair strength. Bovine collagen is also generally more cost-effective and easier to find in high-purity, unflavored forms that mix easily into coffee or shakes.

Marine Collagen

Marine collagen is sourced from fish scales and skin. It is almost exclusively Type I collagen. One of the primary advantages of marine collagen is its bioavailability. The molecules are slightly smaller than those in bovine collagen, which some people find easier to digest and absorb.

Marine collagen is an excellent choice for those who follow a pescatarian diet or who are strictly focused on skin and hair benefits without the need for the Type III support found in bovine sources. However, it can be more expensive and occasionally has a slight scent or taste if not processed with extreme care.

Which One Should You Pick?

Both bovine and marine collagen are effective for hair growth because both are rich in Type I collagen. The choice often comes down to dietary preferences. If you want a versatile "all-rounder" that supports your hair while also helping with gut health and muscle recovery, bovine is usually the way to go. If you are focused solely on hair and skin and prefer a fish-based source, marine is a great alternative.

The Importance of Hydrolyzed Collagen

Regardless of the type or source, you should always look for the word "hydrolyzed" on the label. This refers to a process called hydrolysis, where the large collagen fibers are broken down into smaller chains called peptides.

In their natural state, collagen molecules are too large for the body to absorb efficiently through the digestive tract. By breaking them down into peptides, we make the protein much more "bioavailable." This means your body can actually take those amino acids and put them to work in your hair follicles and skin cells.

At BUBS Naturals, our products are always hydrolyzed to ensure maximum absorption. We don't believe in fillers or BS ingredients—just clean peptides that your body can use immediately. This is particularly important for hair growth, as you want those amino acids to reach the follicles as quickly as possible.

Myth: Eating more high-protein foods like steak is the same as taking a collagen supplement. Fact: While whole food protein is essential, the specific amino acid profile of collagen (proline, glycine, hydroxyproline) is much higher in supplements than in standard muscle meats. Furthermore, hydrolyzed peptides are more easily absorbed than the tough collagen fibers found in food.

How Collagen Supports the Hair Growth Cycle

To understand how collagen helps hair grow, we have to look at the three phases of the hair cycle: anagen, catagen, and telogen.

1. Anagen (Growth Phase): This is when the hair is actively growing from the follicle. This phase can last several years.
2. Catagen (Transition Phase): This is a short phase where the hair follicle shrinks and detaches from the blood supply.
3. Telogen (Resting Phase): The hair stays in the follicle but is no longer growing. Eventually, the hair falls out, and the cycle repeats.

Research suggests that collagen may help prolong the anagen phase. By providing a healthy, nutrient-rich environment in the dermis, collagen helps the hair follicle stay "anchored" and productive for longer periods. It also helps protect the follicle from oxidative stress.

Fighting Free Radical Damage

Free radicals are unstable molecules caused by things like UV rays, pollution, and stress. They can damage the cells in your hair follicles, leading to thinning or even premature graying. Collagen acts as an antioxidant, helping to neutralize these free radicals and protect the integrity of your hair. This protective quality is one of the reasons many athletes and outdoor enthusiasts rely on it to maintain their health despite high levels of physical stress.

Comparing Collagen and Biotin

If you've searched for hair supplements, you've likely seen biotin mentioned as often as collagen. While they both support hair health, they work in different ways.

Biotin, also known as Vitamin B7, helps the body convert nutrients into energy and plays a role in the production of keratin. However, biotin is a micronutrient, while collagen is a structural protein. You need the "bricks" (collagen amino acids) to build the house, but you also need the "workers" (biotin) to facilitate the construction.

Many people find that taking both together provides the best results. Collagen provides the physical building blocks, while biotin supports the metabolic processes that put those blocks together.

Practical Tips for Using Collagen for Hair Growth

Adding collagen to your routine is simple, but consistency is the key to seeing results. You can't expect a single scoop to change your hair overnight.

Daily Dosing

Most studies on collagen and hair health suggest a daily dose of anywhere from 10 to 20 grams. This is typically one or two scoops of a high-quality powder. Because collagen is heat-stable, you can mix it into your morning coffee, tea, or even a hot soup without losing any of the benefits.

Timing Your Intake

There is no "perfect" time to take collagen, but many people find it easiest to incorporate into their morning routine. Mixing a scoop into your coffee or a morning smoothie ensures you don't forget it. If you are also focused on recovery, taking it after a workout alongside your other protein can be beneficial. If you like an easy add-on for that same routine, Butter MCT Oil Creamer is another simple option.

Pairing with Vitamin C

Vitamin C is a critical co-factor for collagen synthesis. Your body cannot effectively create or use collagen without it. If you want to maximize the hair-growth benefits of your supplement, ensure you are getting enough Vitamin C through your diet or a supplement. If you want the science behind that pairing, How Does Vitamin C Boost Collagen Production? breaks it down. We often recommend adding a Vitamin C supplement or eating citrus fruits, berries, or leafy greens alongside your collagen.

Bottom line: To support hair growth, take 10-20g of hydrolyzed Type I and Type III collagen peptides daily, and ensure you are getting enough Vitamin C to help your body process it.

What to Look for in a Supplement

The supplement market is crowded, and not every product is worth your money. To ensure you are getting the best collagen for hair growth, look for the following criteria:

• Simple Ingredients: Avoid products with added sugars, artificial flavors, or unnecessary fillers. You want pure collagen peptides.
• Sourcing: Look for "grass-fed" and "pasture-raised" for bovine collagen or "wild-caught" for marine collagen. This ensures a cleaner product.
• Third-Party Testing: This is non-negotiable. You want to know that what is on the label is actually in the container.
• Mixing Ability: High-quality collagen should dissolve easily in both hot and cold liquids without clumping or leaving a gritty texture.

At BUBS Naturals, we take these standards seriously, and our NSF for Sport certification is a big part of that. Our Collagen Peptides are NSF for Sport certified, which is the gold standard for purity and safety. This certification means our products are tested for over 280 banned substances and contaminants, making them a trusted choice for professional athletes, military personnel, and anyone who cares about what they put in their body.

Realistic Expectations for Hair Growth

It is important to have a realistic timeline when starting any new supplement. Hair grows at an average rate of about half an inch per month. Because collagen works from the inside out, it takes time for those new, stronger strands to grow and become visible.

Most people report seeing changes in their nails first—often within 2 to 4 weeks—because nails grow faster. For hair, you should expect to stay consistent for at least 3 to 6 months before you see a noticeable difference in thickness or growth rate. Collagen is a long-term investment in your health, not a quick fix.

Factors That Can Slow Progress

While collagen may support hair growth, other lifestyle factors can hinder your progress:

• Extreme Stress: High cortisol levels can disrupt the hair growth cycle.
• Poor Nutrition: If you aren't eating enough calories or protein, your body will prioritize vital organs over your hair.
• Heat Damage: Excessive use of styling tools can break the hair you are working so hard to grow.

By combining collagen supplementation with a balanced diet and stress management, you give your hair the best possible chance to flourish.

The BUBS Naturals Difference

We didn't start this brand just to sell supplements. We started it to honor the legacy of Glen "BUB" Doherty, a Navy SEAL, adventurer, and friend who lived life to the fullest. Our mission is to provide products that help you live your own adventure, backed by a commitment to quality and community. If you want the full backstory, About Bubs explains how that mission started.

Every product we make, from our Collagen Peptides to our Hydrate or Die electrolytes, is designed to be functional and effective. We use the cleanest ingredients possible because we believe your body deserves the best. When you choose us, you aren't just buying a supplement; you're supporting a greater purpose. We donate 10% of all our profits to veteran-focused charities in BUB's honor. It’s a way to keep his spirit of service alive while helping you reach your own wellness goals.

Conclusion

Choosing the right collagen for hair growth doesn't have to be complicated. By focusing on hydrolyzed Type I and Type III collagen from high-quality bovine or marine sources, you are providing your body with the exact tools it needs to support your hair, skin, and scalp. Remember that consistency is your best friend—make it a part of your daily routine and give your body the time it needs to rebuild and strengthen.

• Prioritize Type I collagen for maximum hair and skin support.
• Look for hydrolyzed peptides for better absorption.
• Pair your collagen with Vitamin C to help the synthesis process.
• Choose a brand that values transparency and third-party testing.

If you’re ready to start supporting your hair health from the inside out, the Collagen Club is a great place to begin. And if your routine includes hard training or long days outside, Hydrate or Die can round it out.

FAQ

Which type of collagen is most important for hair?

Type I collagen is the most important for hair because it is a primary building block of the dermis and provides the amino acids needed to produce keratin. While Type III also supports skin elasticity and scalp health, Type I is the most abundant and effective for hair structure.

Is bovine or marine collagen better for hair growth?

Both are effective, as both are rich in Type I collagen. Marine collagen is often cited for its high bioavailability and pure Type I profile, while bovine collagen provides a mix of Type I and Type III, making it a more versatile choice for overall body recovery and hair health.

How long does it take for collagen to help hair grow?

Since hair grows slowly, most people need to take collagen consistently for 3 to 6 months to see a visible difference in hair thickness or growth. You may notice improvements in nail strength and skin hydration much sooner, often within the first month.

Can I take collagen and biotin together?

Yes, taking collagen and biotin together is a common and effective strategy. Collagen provides the amino acid building blocks for hair, while biotin acts as a co-factor that helps the body process those nutrients and produce keratin more efficiently.