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Biotin vs Collagen for Hair Growth: Which Works Best?

Biotin vs Collagen for Stronger and Thicker Hair Biotin vs Collagen for Stronger and Thicker Hair
Published On : 26 Nov, 2025 | Written By : Aprajita Anand | Reviewed By : Dr. Anubhav Singh

If you want your hair to grow better, people talk a lot about biotin and collagen. They both are super trendy here in India and everywhere else, but it is difficult to know which one is the best. Biotin is believed to strengthen your hair roots and help form keratin. Collagen, on the other hand, can help make your hair thicker, bouncier and keep your scalp healthy. 

If your hair is thinning, breaking, or not growing fast enough, it's important to know the difference between biotin and collagen. This guide will make it easy to understand with facts and simple explanations to help you choose the right thing, whether you're a boy or a girl, and find the best biotin and collagen products.

What Are Biotin and Collagen?

People use them a lot to keep their hair, skin and nails good. Biotin, also known as vitamin B7, helps your body get energy from food. It's also important for making keratin, which is what makes your hair strong. 

Collagen is throughout your body. It helps keep your skin elastic and strengthens your hair follicles, which gives support to your hair. Biotin can give you stronger roots and less breakage, while collagen can make your hair thicker and better overall. Basically, both of these work wonders in keeping your hair healthy and helping it grow back.

How Do Biotin and Collagen Work for Hair Growth?

Biotin and collagen both help your hair grow, but they work well together in different ways. Biotin helps your body make more keratin, which strengthens your hair at the roots, so it breaks less and grows better. 

This is especially helpful if you have thin or weak hair. It also strengthens the hair follicles, which means new hair grows stronger.

Collagen gives your body the basic building blocks (amino acids) to make hair proteins, makes your hair more flexible, and can make it appear thicker. It keeps your scalp healthy by reducing inflammation and adding moisture, which helps your hair grow continuously. When you take them together, your hair becomes stronger, shinier, and stays healthier longer.

Benefits of Biotin vs Collagen for Hair Growth

Biotin and collagen can both help your hair get stronger and healthier. They help hair grow, break less, get thicker, and keep your scalp healthy. But they work in their own ways, so it depends on what your hair really needs. 

Let's understand the benefits of biotin vs collagen for hair growth in five points through this chart - 

Benefits Category

          Biotin

        Collagen

Hair Growth Speed

Helps hair grow faster by creating more keratin

Strengthens hair, allowing it to grow better over time.

Hair Thickness

Your hair can look thicker as it grows.

Makes your hair thick and voluminous.

Root Strength

Strengthens the roots and prevents excessive hair fall.

Makes hair stronger and scalp healthier.

Scalp Health

Keeps your hair from getting too oily and prevents breakage.

It moisturises, calms, and lowers scalp irritation.

Damage Repair 

Fix hair problems caused by not getting enough nutrients.

Repairs structural damage caused by heat, sun or ageing


Which Shows Faster Results: Biotin or Collagen?

Biotin generally makes hair grow faster than collagen, primarily if you are losing hair because you do not have enough biotin, your hair roots are weak, or your hair is not making enough keratin. If many people take biotin regularly, their hair falls less, and their hair becomes stronger in about one to one and a half months.

Collagen takes a little longer to do its job. It makes your scalp healthy, helps your hair grow thicker, and strengthens each strand from the inside out. Most people will notice real changes after two to three months.

If you want your hair to grow back faster, biotin may be the option. If you want thicker, stronger hair, collagen is often a better choice.

Biotin vs Collagen for Hair Loss: Which Is More Effective?

Both biotin and collagen can help if you are losing hair, but it really depends on the cause. Biotin is good if your hair is falling out due to weak roots, poor diet or breakage. It strengthens your hair, helps prevent excess hair loss, and encourages healthy regrowth. 

If your hair is thinning due to ageing or your scalp is no longer as flexible as it used to be, collagen is better. It nourishes the roots and can make your hair look thicker.

If you suffer from regular hair loss, using both biotin and collagen may be the solution to stronger, thicker hair that grows better overall.

Biotin vs Collagen for Thinning Hair

If your hair is thinning, collagen might be a better choice. It refills the amino acids your hair needs, which can give you thicker strands and a healthier scalp. Think of it as a boost for hair density that you can actually see

Biotin is helpful too, mostly by making the roots stronger and stopping more thinning in the future, not by thickening the hair you already have. So, if your hair looks fine or thin, collagen, especially collagen peptides, could give you more volume and better texture.

Now, if you take biotin and collagen together, you might get even better results in the long run. You'd be tackling thinning hair by strengthening the roots with biotin and plumping up the strands with collagen

Biotin vs Collagen for Hormonal or Age-Related Hair Loss

When hair loss occurs due to hormones or simply due to ageing, collagen is usually a better choice. This is because, as we age, our bodies make less collagen, and this can mean weaker hair and thinner hair. Collagen helps keep your scalp elastic, keeps blood flowing and strengthens your hair.

Biotin may still be useful because it helps form keratin and protect it from breakdown, but it is not as good at dealing with hormone changes. Women who experience hair loss after pregnancy, due to PCOS, or due to menopause often get better results from taking collagen, or even better, a combination of collagen and biotin for faster and fuller hair growth.

Should You Take Biotin and Collagen Together for Better Hair Growth?

You can take biotin and collagen at the same time. Some people actually get better results when they use both rather than choosing just one. Biotin strengthens your hair from the roots up, and collagen helps make each strand thicker and better. 

Therefore, when you use them together, it promotes hair growth perfectly. This blend helps keratin, keeps your scalp healthy, makes your hair more flexible and gives it strength for longer. It's great for anyone, whether boys or girls, whose hair breaks easily, is thin, or does not grow very fast.

Do They Work Synergistically?

Yes, biotin and collagen work well together because they focus on different things when it comes to hair growth. Biotin helps promote keratin, reduce hair fall and strengthen weak hair. Collagen gives you essential amino acids for thicker hair, better bounce and a hydrated scalp. 

When you take them together, biotin helps hair grow, and collagen makes the hair you already have look great. Using both will give you thick, healthy and strong hair after a few months.

Who Should Combine Both Supplements?

If you have hair problems such as thinning, breakage, not growing fast enough, or simply looking dull, consider taking biotin and collagen together. This is a good idea for all those, whether boys or girls, who are not getting the right nutrients, or if you are experiencing hair fall after pregnancy. 

As you age, hair loss can occur due to hormones or if your hair becomes damaged due to styling, heat, or chemicals. Most people who want thicker, fuller, stronger hair get good results from using both. This mixture is also good if you want your scalp to remain healthy and your hair to remain strong for a long time.

Biotin vs Collagen Dosage: How Much Should You Take for Hair Growth?

To get better hair, like thicker and stronger hair, you need to get the right amount of biotin and collagen. Biotin helps make keratin, which is great for hair. Collagen gives you ingredients to strengthen your hair and protect your scalp from drying out. 

How much you should eat a day depends on what your hair is like, how you live and what you eat. Here are some regular dosage recommendations that are safe and work well.

Recommended Biotin Dosage

For hair growth, the best dosage of biotin is usually 2.5-5 mg per day. It helps form keratin, which can reduce hair thinning and strengthen weak hair. If your hair is falling out really badly because you don't have enough biotin, your doctor may tell you to take up to 10 milligrams. Just make sure to take it regularly to see results.

Recommended Collagen Dosage

For stronger, thicker hair, adults should take 5-10 grams of hydrolysed collagen daily. Marine or bovine collagen works best, especially when combined with vitamin C to promote absorption. Collagen powder, capsules, or liquid form all provide similar benefits when consumed daily.

How Long Does It Take to See Results?

Usually, people start noticing a difference between biotin and collagen after using it daily for about 2 to 3 months.

  • Biotin: Biotin may reduce shedding in about a month or two
  • Collagen: Collagen can make your hair thick, shiny and bouncy around the eighth week. Since hair growth takes 3-6 months, keep using it regularly to get the best results.

Best Biotin and Collagen Supplements by Zeelab Pharmacy

Zeelab Pharmacy has skin creams that can make your skin glow. Also, they are certified by WHO-GMP, ISO and FDA. Here are three to check out. Definitely consult a doctor once. 

Mobijoint Capsule

MobiJoint Capsules are for your joints! They are composed of collagen type II, microcrystalline cellulose, anti-caking agents, colloidal silicon dioxide, and gelatin. Basically, they help keep your cartilage healthy, ease joint pain, and make it easier to move around. 

  • Composition: Collagen Type II (40 mg)
  • What it does: Mobijoint Capsules can ease joint pain, stiffness, and swelling, plus they help you move better. They help fix cartilage, make joints stronger, and give you more bend if you have arthritis, an injury, or just feel stiff from getting older.
  • How to use: Take one MobiJoint capsule with water daily after meals. Consistent use supports long-term joint health, improves mobility, and provides better pain relief, especially when combined with light exercise and a balanced diet.  

Zeelab Biotin Tablet

Zeelab Biotin Tablets is a supplement that helps keep your hair, skin and nails in good shape. Biotin, or vitamin B7, is important for how your body uses energy from food. Taking it can actually help your hair grow, make your nails stronger and also give you healthy skin. 

  • Composition: Biotin (10000 mcg)
  • What it does: If your hair is weak or thin, then Zeelab Biotin Tablet can help in strengthening it. They help your body create keratin, which can improve hair thickness, reduce breakage and encourage healthy hair growth for both men and women.
  • How to use: Just take one Zeelab Biotin Tablet with water after you eat every day. It helps your body absorb it better, so you can keep your hair strong, shiny, and thick for a long time. 

Vitahix F Tablet

Vitahix F Tablets combine biotin (5mg) and folic acid (5mg). These nutrients are good for your health, your hair and skin, and for making red blood cells. Biotin, or Vitamin B7, helps your body break down fats, proteins, and carbs, which helps keep your hair, skin, and nails in good shape. 

  • Composition: Biotin (5mg) + Folic Acid (5mg)
  • What it does: Vitahix F Tablets help you feel better overall. They boost your energy, speed up your metabolism, strengthen your immune system, and cut down on nutritional problems that can make you tired, weak, and not at your best every day.
  • How to use: Take one Vitahix F tablet daily with water after meals or as directed by your doctor to ensure proper absorption, better digestion and consistent nutritional support. 

ZEELAB Hair Skin and Nails Tablet

ZEELAB Hair, Skin, and Nails Tablets? They're like a health boost for your hair, skin, and nails. They have all the good stuff like vitamins, minerals and antioxidants to help heal cells, build collagen and fight damage. 

  • Composition: Vitamin A (840 mcg) + Vitamin C (65 mg) + Vitamin D3 (600 IU) + Vitamin E Acetate (9 mg) + Vitamin B1 (2.2 mg) + Vitamin B2 (3.1 mg) + Vitamin B3 (18 mg) + Vitamin B6 (2.4 mg) + Folic Acid (120 mcg) + Vitamin B12 (2.2 mcg) + Biotin (40 mcg) + Vitamin B5 (5 mg) + Calcium (200 mg) + Phosphorus (100 mg) + Zinc (13.2 mg) + Copper (1.7 mg) + L-Cysteine (100 mg) + DL-Methionine (100 mg) + Alpha-Lipoic Acid (10 mg) + Boron (1 mg) + Lutein (2 mg) + Zeaxanthin (400 mcg) + Grape Seed Extract (5 mg) + Citrus Bioflavonoids (25 mg) + Hyaluronic Acid (5 mg) + Resveratrol (20 mg) + Collagen Hydrolysed Powder (100 mg) + Cranberry Fruit Concentrate (10 mg)
  • What it does: Zeelab Hair Skin and Nails tablets can help strengthen your hair, make your skin look clear and make your nails healthy. They are rich in essential vitamins, minerals and antioxidants to help enhance your beauty.
  • How to use: Take one Zeelab Hair Skin & Nails tablet daily with water after meals to increase absorption, aid hair growth, improve skin clarity and effectively strengthen brittle nails. 

Milk Protein Hair Shampoo with Biotin

Milk Protein Shampoo with Biotin is a hair product that helps make your hair stronger and healthier. It has milk proteins to nourish and hydrate your hair, and biotin to help them grow without much breakage. 

  • Composition: Milk Protein, Biotin, SLS, Cocobutane, SLES, Activated Dimethicone, Glycerine, Propylene Glycol, Coco Diethylamine, Ethylene Glycol Mono Stearate, Sodium Chloride & Aqua
  • What it does: This Milk Protein Hair Shampoo with Biotin is great for dry, weak hair. It feeds your hair, makes the roots stronger, cuts down on breakage, and brings back that smooth feel. Use it regularly, and you will see your hair get healthier and shinier.
  • How to use: Apply shampoo to wet hair, massage gently into the scalp for one minute, working down the lengths, then rinse thoroughly and apply conditioner. 

Zeelab Collagen Powder 250 g

ZEELAB Collagen Powder is a great way to boost your body's collagen. Collagen is important for healthy skin, hair, nails, joints and bones. Made from poultry, these peptides give you essential amino acids for stronger joints, glowing skin, and better digestion. 

  • Composition: Collagen (5g)
  • What it does: ZeeLab Collagen Powder can help strengthen your hair, make your skin more elastic, keep your joints flexible, and make your nails grow faster. It may also help fight ageing as it replaces vital proteins that degrade with age.
  • How to use: Add one scoop of Zealab Collagen Powder to water, juice, smoothies or hot beverages, shake well and consume daily for consistent, visible improvements in hair, skin and overall health. 

Side Effects & Safety: Biotin vs Collagen for Hair Growth

Biotin and collagen are generally safe for hair growth, but using them too much or incorrectly can cause minor side effects. Knowing the risks, how much to take and whether they are right for you can help make sure you use them safely and that they really work.

          Category

  Biotin Side Effects 

  Collagen Side Effects

Digestive Issues 

If you are sensitive, large doses may upset your stomach, give you cramps, or cause a little diarrhoea.

Some people may experience bloating, gas, or digestive discomfort initially.

Skin Reactions 

It doesn't usually cause acne because it interferes with the way your body absorbs vitamin B5.

If you are allergic, a slight rash or skin irritation may occur.

Lab Test Interference

Large doses may mess with blood test results for your thyroid, vitamin D levels or heart.

This usually does not mess with normal lab tests, but it could be a problem if you're sensitive to it.

Allergic Response

If you have allergies, you may rarely itch, break out in hives, or notice some swelling.

If you are allergic to fish, eggs or beef, you may react.

 

Who Should Avoid Biotin?

If you've got health issues or are sensitive to stuff, watch out for high doses of biotin to avoid problems.

  • If you have thyroid problems, avoid taking large doses as biotin may impair thyroid test results.
  • If you are taking heart-related medications, stay away from biotin as it may throw off important lab tests.
  • If your hair starts falling, reduce the use of biotin, as it can damage your skin.
  • If you are allergic to vitamin B, stop taking biotin to prevent a reaction or irritation.
  • To be safe, pregnant women should avoid high doses of biotin unless a doctor recommends it.

Who Should Avoid Collagen?

Some people may need to skip collagen pills due to their diet, if they have any allergies, or have any health issues they need to be careful about.

  • If you are allergic to fish, eggs or beef, stay away from collagen so you don't get sick.
  • People with kidney problems should not take collagen, as it can cause problems.
  • If you are on a low-protein diet recommended by your doctor, do not take collagen tablets.
  • If you have gut problems, collagen can make you feel bad, so it's best to skip it.
  • If you are pregnant or breastfeeding, ask your doctor before taking collagen.

Final Verdict: Biotin vs Collagen — What’s Best for Your Hair Growth Goals?

Biotin and collagen are both good for your hair, but which one you should choose depends on what's happening to your hair. If your hair is thin, weak or slow growing, then biotin is usually better as it helps form keratin and strengthens your hair from the roots down. 

But if your hair breaks easily, doesn't shine, is dry, or isn't bouncy, collagen is a better option. It repairs the hair on its own and prevents your scalp from becoming dry.

Many people see the best results when taking both biotin and collagen, especially if their hair is thin and damaged. You should have stronger roots, thicker hair and overall shiny/healthy hair.

Frequently Asked Questions

Q. Does biotin or collagen work better for thinning hair?
A. Biotin works better for thin hair caused by weak follicles, while collagen helps improve thickness and reduce breakage. Combining the two gives the best results.

Q. Can I take biotin and collagen every day?
A. Yes, you can take biotin and collagen daily. Both are generally safe and support healthy, strong hair when taken in recommended doses.

Q. Can biotin help with hair fall caused by stress?
A. If your hair is falling out due to stress, biotin may be helpful, but you also have to deal with stress.

Q. Can men use biotin and collagen for hair growth?
A. Yes, both supplements are equally effective for men and women and support overall hair protein structure.

Q. Which is better for hair growth, biotin or collagen?
A. Biotin strengthens hair follicles, while collagen improves thickness and elasticity. The better choice depends on your specific hair problems.

Q. Does collagen help reduce hair breakage?
A. Yes, collagen increases elasticity and repairs structural damage, significantly reducing wear and tear.

Is collagen good for ageing women’s hair?
A. Yes, collagen restores elasticity and reduces age-related thinning.

Q. Which is best for dry, brittle hair?
A. Collagen works better for dryness and brittleness due to its hydrating and repairing properties.

Q. Can biotin help if I have an oily scalp?
A. Biotin can help regulate scalp health, but it works best when combined with a proper scalp care routine.

Q. Is collagen good for a dandruff-prone scalp?
A. Collagen improves scalp hydration, which can reduce flaking and dryness.


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