If you’ve ever pulled your hair into a ponytail and noticed it’s thinner than it used to be, or watched your hair collect in your shower drain, you’re not alone. Whether it’s postpartum shedding, stress-related hair loss, or just the effect of aging, millions of people wake up one day and wonder, “Where did all my thick and shiny hair go?”
The natural solution? Collagen supplements. More and more people are turning to collagen supplements as a natural way to rejuvenate their hair from the inside out.
In this guide, we’ll dive into the best collagen for hair growth, how it works, and how you can pick the right one for your hair goals. If you’re ready to turn breakage into volume and bounce and want to bring back your strong and shiny hair, this is where it starts.
Key Takeaways
- Collagen supplements fuel stronger, longer, and thicker hair by boosting keratin production from within.
- Type I and III collagen are considered the best collagen for hair growth, as they support hair structure and scalp health.
- Pairing collagen with vitamin C and a nutrient-rich diet can enhance absorption and benefits.
- Choosing a high-quality collagen supplement is important; purity and consistency matter for maximum results.
- Although collagen supplements are well-tolerated, always consult your healthcare provider before use to avoid any unwanted effects.
What is Collagen?
Collagen is the most abundant protein in the human body. Think of it as the structural glue that holds your skin, joints, ligaments, and even your hair together. As we age, natural collagen production declines, especially after age 25, leading to visible signs like sagging skin, brittle nails, hair loss, thinning hair, and a reduction in hair thickness.
But here’s the thing, collagen isn’t just good for your skin, it’s essential for hair health as well.
How Does Collagen Help with Hair Growth?
Hair needs the right vitamins, minerals, and proteins to grow, and collagen is one of the most important. This structural protein supplies the essential amino acids your body uses to produce keratin, the main protein that makes up your hair. It helps maintain the strength and resilience of each strand.
Collagen also plays a vital role in keeping your scalp hydrated, creating the ideal environment for healthy hair growth. Strong and vibrant hair starts with a healthy scalp.
Collagen supplementation may help protect hair follicles from damage. Acting as a natural antioxidant and a building block of hair health, it protects your strands from the effects of environmental stress, poor diet, and oxidative damage, so your hair can grow without damage. Collagen is known to:
- Support the Dermis: Hair follicles live in the dermis, a collagen-rich layer of the skin. Increased collagen intake becomes a stronger support, resulting in healthier follicles.
- Reduce Oxidative Stress: Collagen includes antioxidants that combat free radicals, protecting hair follicles from damage.
- Supply Amino Acids: Collagen provides proline and glycine, amino acids that are essential for keratin production, the protein from which your hair is made, leading to better hair growth and stronger hair.
- Improve Circulation: Enhanced skin elasticity and vascular health contribute to improved blood flow to the scalp, which nourishes hair roots.
Types of Collagen: Which One is Best for Hair Growth?
Not all collagen is created equal. The ones mentioned below are the three most relevant:
| Collagen Type | Source | Benefits for Hair |
| Type I | Marine collagen, bovine hides | Strengthens hair, supports skin and scalp |
| Type II | Chicken cartilage | Less relevant for hair; mostly supports joint pain |
| Type III | Bovine-sourced collagen | Enhances skin elasticity, supports follicle health |
Type I and Type III are considered the most effective and best collagens for hair growth, especially when hydrolyzed for maximum absorption.
Best Collagen For Hair Growth on the Market
Pure Rawz Collagen Complex – Capsules
Collagen, often known as the “fountain of youth,” is an essential protein found in the body, known for maintaining healthy skin, hair, nails, joints, and other body tissues. The collagen complex by Pure Rawz supports healthy, youthful hair and skin.
Product Overview
Thorne Collagen Plus – Powder
Collagen Plus is a unique formula by Thorne that is built to nourish skin, hair, and nails and protect them from harsh environmental factors, giving more youthful, radiant skin and hair in as soon as four weeks.
Product Overview
Best Collagen for Hair Growth: Tips on How to Use
- Consistency Is Key: Take collagen supplement daily for 8-12 weeks. Results build gradually, so stick with it for lasting hair benefits.
- Add to Smoothies or Coffee: Collagen powder is tasteless and dissolves easily. Blend it into your morning coffee or drink in your daily routine for a boost in hair health.
- Combine with Hair-Healthy Foods: Pair collagen with nutrient-rich foods like eggs, leafy greens, berries, and salmon. These provide vitamins and antioxidants that are considered collagen boosters and support hair growth from within.
- Avoid Smoking and Excess Sugar: Both can break down collagen fibers and speed up the process of aging. Protect your natural collagen by limiting these hair-harming habits.
Ingredients That Boost Collagen’s Effectiveness for Hair Growth
Taking collagen alone is good, but combining it with other hair growth supplements can amplify results. Look for supplements that include:
| Ingredient | Benefit for Hair Growth |
| Vitamin C | Essential for collagen synthesis and encourages hair growth |
| Biotin | Strengthens hair follicles, reduces shedding, and promotes thicker, fuller hair |
| Zinc | Supports hormonal balance and improves hair health |
| Keratin | Strengthens hair structure from within and overall hair health |
Collagen Supplement: What to Look for Before You Buy
Not all collagen supplements are created equal. Choosing the right one can be a task, with hundreds of options on the market. If you’re shopping online or in-store, use this checklist to find a high-quality collagen product that truly supports hair growth. Here’s what you should look for:
- Hydrolyzed Collagen (Collagen Peptides): Hydrolyzed collagen, also called collagen peptides, is broken down into smaller amino acid chains, making it easier for your body to absorb and use. This form is best absorbed by the body and ideal for supporting hair health.
- Type I and Type III Collagen: These are the two types most directly linked to healthy hair, skin, and nails. Type I is the most abundant in the human body and helps form the structural foundation of hair. Type III supports elasticity and hydration.
- Third-Party Tested for Purity and Quality: Look for brands that are third-party tested to ensure their product is free of contaminants and false claims. Quality matters a lot.
- No Artificial Fillers or Additives: Avoid products loaded with artificial flavors, sweeteners, or fillers, especially if you’re taking them long-term. Many people also turn to liquid collagen or collagen gummies for convenience and taste, but it’s important to look for products that are free from artificial sweeteners.
- Contains Vitamin C or Hyaluronic Acid: Vitamin C plays a crucial role in collagen synthesis. Your body needs it to effectively absorb the collagen you consume. On the other hand, hyaluronic acid supports moisture retention in the scalp, which is important for hair growth. It is also recommended to combine collagen with nutrients like folic acid and vitamin D, which support hair health and overall wellness.
- Positive Reviews and Results: Take a moment to read verified user reviews, look for mentions of improved hair texture, growth, and thickness within 8-12 weeks. Authentic reviews can offer insight into the effectiveness of the supplement.
Side Effects of Best Collagen For Hair Growth
Collagen is usually considered safe for most people, especially when sourced from high-quality and reputable brands. However, like any supplement, it’s important to be aware of potential side effects:
- Mild Digestive Discomfort: Some users may experience bloating, a feeling of fullness, or heartburn, particularly when starting collagen for the first time or taking high doses.
- Allergic Reactions: If you’re allergic to fish, shellfish, or eggs, which are common collagen sources, you should carefully check the product label. Symptoms like itching, swelling, or rash could indicate an allergy.
- Bad Aftertaste or Smell: Some marine-based collagens may have a lingering taste or odor, though high-quality brands typically process this out.
- Interactions with Other Supplements: Collagen may interact with certain supplements or medications. Always consult your doctor, especially if you’re pregnant, nursing, or have any underlying health conditions.
Conclusion
Collagen might just be the missing piece in your haircare routine. Backed by science and trusted by beauty experts, collagen supports the strength and elasticity of hair strands while nourishing the scalp for healthy hair growth.
If you’re battling hair thinning, looking to boost shine and volume, or just want a solution for long-term hair health, adding a high-quality collagen supplement can help you achieve all of this. Be consistent, choose the best collagen for hair growth, give your body the time it needs, and your hair will thank you.
FAQs
Can collagen regrow hair in bald spots?
Collagen can strengthen hair and support new growth, especially if hair thinning is due to poor scalp health or nutrient deficiencies. However, it may not reverse genetic baldness or alopecia without other treatments.
What’s the ideal collagen dosage for hair growth?
Most studies suggest taking 2.5 to 15 grams of collagen peptides per day for visible results in hair health. Check with your healthcare provider, and stay consistent for at least 8-12 weeks.
Should I take collagen with or without food?
You can take collagen with or without food, but pairing it with Vitamin C-rich foods may boost absorption and collagen synthesis in the body.
Can I get enough collagen from food alone?
While bone broth, fish, and gelatin-rich foods provide collagen, it’s difficult to get adequate levels from food alone. Dietary supplements are a concentrated and convenient way to support hair growth.
How does collagen compare to keratin for hair health?
Keratin is the main structural protein in hair, while collagen provides the amino acids needed to build keratin. Collagen is the raw material your body uses to naturally enhance keratin production.