Biotin vs Keratin: Which is Better for Hair Growth & Hair Fall?

Many people get confused between biotin and keratin when trying to treat hair loss, thinning, breakage, and loss.  Both are related to achieving healthy, strong hair, but they do completely different things. 

Biotin (Vitamin B7) supports hair growth from within by keeping the hair follicles healthy. Keratin, on the other hand, repairs the outer part of your hair, smoothes frizz and strengthens the hair.

This blog explains the precise difference between biotin and keratin in relation to hair growth. It will help you determine which one is best for your hair problem, inform you to understand timelines and benefits, help you choose supplements, and show you who needs what. 

You'll also find out if you can take biotin and keratin together, how long it takes for them to start working, and the best supplement combination in India.

Biotin vs Keratin – What Are They and Why Do They Matter?

Biotin, also known as Vitamin B7, is essential for the body. You need it to promote healthy hair growth, produce keratin, and maintain a healthy scalp. It helps your cells renew more quickly, strengthens hair growth, and reduces shedding. 

If you do not get enough biotin, your hair may become thin, the roots may become weak, and it may not grow fast. This is why biotin and keratin are often discussed together as being good for hair.

Keratin is a protein that occurs naturally in your hair. It is a main part of the outer layer and the core of each strand that makes up your hair. Applying keratin to your hair or consuming keratin-promoting foods can help tame frizz, repair damage, strengthen your hair, and add shine.

Biotin vs Keratin – Key Differences

Biotin helps your hair grow from the inside out by nourishing the follicles and promoting keratin production. 

Keratin repairs the hair from the outside, resulting in less frizz and stronger hair if your hair is damaged, making it feel smoother and look healthier. Both are important, but they do different things.

• Biotin: Internal growth, root strengthening, hair-thickening
• Keratin: External protection, smoothening, and damage repair

Why Internal Nutrition Is the Key to Real Hair Growth

Healthy hair starts from the roots, not just from the outside. If you want strong hair, you have to feed your hair follicles the right things, like hair growth vitamins, minerals and amino acids. Let us understand these five points.

• Eating the right things helps your hair grow stronger because it provides essential vitamins, minerals and amino acids to the follicles. Foods like eggs, nuts, spinach, and pulses supply vitamin B7 (biotin), vitamin D, vitamin E, and minerals such as iron and zinc. Key amino acids such as cysteine, methionine, and lysine support keratin production and enhance overall hair strength and growth.
• Nourishing your hair follicles helps them function well. This can reduce early hair loss and make your hair thicker.
• Vitamins and minerals for hair growth help produce keratin, which can lead to stronger, healthier, and longer hair over time.
• Amino acids are good for hair because they help rebuild weak spots, fix damage, and make hair more flexible.
• Taking care of your body internally can provide long-lasting growth results, unlike creams or oils that only temporarily improve the appearance of your hair for a short period.

Biotin Benefits for Hair Growth

Biotin is a vitamin that has been extensively studied because it plays a crucial role in helping hair grow. It strengthens the hair roots, making them denser and helping to reduce hair fall.  

People who lack sufficient biotin or who don't eat well often experience hair that becomes thin and breaks easily, making biotin tablets beneficial. Let's understand these five points.

• Biotin boosts follicle metabolism, encourages stronger growth and reduces daily hair loss.
• It enhances natural keratin production, improves strand thickness and effectively prevents brittle breakage.
• Biotin improves scalp health, reducing dryness and irritation that slows down healthy hair growth.
• It enhances the delivery of nutrients in the blood, aiding in faster regeneration of thinned hair follicles.
• Biotin corrects deficiencies, restores the growth cycle and promotes thick, healthy-looking hair.

Biotin Dosage & Timeline – When Will You See Results?

For hair health, a biotin dosage of 5,000 to 10,000 mcg per day is usually effective. If the reason for thinning hair is biotin deficiency, you can expect to see some good changes with regular intake for one to three months. 

Keratin Benefits for Hair Repair & Smoothness

Keratin strengthens weak hair. It helps repair the outer layer of hair, making it smooth and shiny. It's great for hair, especially if your hair is curly, prone to breaking, and keratin-damaged and in need of repair. Let's understand these five points.

• Keratin improves your hair by smoothing it and adding instant shine.
• Keratin also repairs damaged hair by penetrating deep into the cracks caused by heat, colour and environmental factors.
• Keratin strengthens your hair, making it break less and last longer.
• It helps repair the outer layer of your hair, sealing it to retain moisture.
• All this makes your hair smooth and soft. It reduces frizz and makes your hair easier to manage, resulting in a healthier appearance. 

Biotin vs Keratin – Which One Do You Need?

Biotin can help your hair grow faster and look thicker. Keratin can repair damaged hair, tame frizz, and make your hair stronger. If you want long hair, use biotin. If you're going to make your hair look fine and soft, try keratin. The right choice depends on your hair problems, lifestyle and the condition of your roots.

Choose Biotin If:

Biotin is ideal for nourishing your hair from within, making it stronger and thicker in a natural way. Understand the five points here.

• If your hair is thinning and you want to strengthen it from within with natural methods.
• If you don't have enough biotin, you will lose more hair than normal, and your hair will not grow at the same rate.
• If you're experiencing hair loss after giving birth, it’s essential to replenish your nutrients to help you recover.
• If your hair is falling out due to stress, poor diet, or hormonal changes, you may need to supplement with biotin.
• If you are looking for a way to make your hair thick, strong and healthy by nourishing your hair follicles.

Choose Keratin If:

Keratin is ideal for hair that is damaged and needs to be repaired, smoothed and protected. Understand the five points here.

• Your hair is frizzy and dry; it needs structural smoothness and better manageability every day.
• If you frequently use heat to style your hair, you're probably causing damage that keratin can repair.
• With chemical treatments, your hair may become weak. Keratin is great for making it strong again.
• You obviously want smooth, shiny hair, free of breakage and a rough texture.
• If your hair is breaking or you have split ends, it may need immediate attention.

Biotin vs Keratin for Common Hair Problems

If you have hair problems, let's decide whether to use biotin or keratin. Biotin nourishes your hair from the inside, and keratin repairs and protects it from the outside, so that you can have better-looking hair.

Realistic Hair Regrowth Timeline

Hair takes time to grow, so keep your goals realistic to stay consistent. Good food and supplements can gradually help, as the roots become stronger and the hair becomes healthier. Understand these five timeline chart points.

Best Hair Growth Supplements in India

Young people in India notice these signs; they can quickly find affordable ways to prevent hair loss after the age of 25. Zeelab pharmacy provides WHO/GMP-certified products that meet global standards and deliver them to over 1,800 cities in India, making treatment easy and affordable.

Vitahix 5 Tablet

Vitahix 5 Tablet

Vitahix 5 Tablet is helpful in effectively treating nutritional deficiencies caused by a lack of Vitamin B7. This medicine is a form of Vitamin B that helps provide essential nutrients to the body. VitaHix 5 helps break down carbohydrates, fats and other substances within the body.

• Composition: Biotin (5mg)
• What it does: It has the vitamins and minerals you need, and it can boost your immunity. It can make you feel more energetic, keep you healthy and improve your daily diet.
• How to use: Take one tablet with water after meals every day. You can also take it as directed by your doctor's advice.

Zeelab Biotin Tablet

Zeelab Biotin Tablet

Zeelab Biotin Tablets is a dietary supplement designed to support healthy hair, skin and nails. Biotin, also known as vitamin B7, is essential for the body's metabolism and helps convert food into energy. 

• Composition: Biotin (10000mcg)
• What it does: Supports healthy hair growth by strengthening roots, reducing breakage, improving thickness, and addressing biotin deficiency to promote stronger, fuller, and healthier hair.
• How to use: Take one tablet daily after a meal with water, continue consistently for 2–3 months to achieve visible hair strength and growth benefits.

Vitahix F Tablet

Vitahix F Tablet

Vitahix F Tablets contain a combination of Biotin (5mg) and Folic Acid (5mg), two essential nutrients that support overall health, hair growth, skin health and red blood cell formation. Biotin, also known as vitamin B7, plays a crucial role in the metabolism of fats, proteins, and carbohydrates, helping to maintain healthy hair, skin, and nails. 

• Composition: Biotin (5mg) + Folic Acid (5mg)
• What it does: It helps your body make healthy red blood cells, gives you more energy, and corrects any vitamin or mineral deficiencies you may have.
• How to use: Take one tablet daily after meals with water or as advised by a healthcare professional.

Densihair Men 30 Capsules

Densihair Men 30 Capsules

Densihair Men 30 Capsule is a specially formulated supplement designed to promote healthy hair growth in men. It contains a blend of essential vitamins, minerals, and natural extracts, including Retinyl Palmitate, Ascorbic Acid, Folic Acid, Green Coffee Extract, and Pumpkin Seed Extract, which work synergistically to nourish hair follicles and improve scalp health.  

• Composition: Omega 3 Fatty Acids (100 mg) + Vitamin A (240 mcg) + Vitamin C (16 mg) + Vitamin D (4 mcg) + Vitamin E (4 mg) + Vitamin B9 (47.2 mcg) + Vitamin B12 (0.4 mcg) + Biotin (12 mcg) + Vitamin B5 (2 mg) + Iron (6.8 mg) + Zinc (4.8 mg) + Selenium (16 mcg) + Phytosterols (90 mg) + Green Coffee Extract (50 mg) + Pine Bark Extract (50 mg) + Pumpkin Seed Extract (40 mg) + Lycopene (5 mg) + Bhringraj Extract (50 mg)
• What it does: Strengthens the hair roots, reduces excessive hair fall, helps in hair regrowth, and nourishes the scalp for generally better, thicker and stronger hair in men
• How to use: Take one capsule daily after meals with water, continue for at least three months for hair thickening, strength and regrowth.

ZEELAB Hair Skin and Nails Tablet

ZEELAB Hair Skin and Nails Tablet

ZEELAB Hair Skin, and Nails Tablet is a comprehensive nutritional supplement designed to enhance the health and vitality of hair, skin, and nails. Enriched with essential vitamins, minerals, antioxidants, and bioactive compounds, it supports cellular repair, promotes collagen production, and protects against oxidative stress. 

• Composition: Each serving of 2 tablets contains: 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: Strengthens hair, nourishes skin and aids nail growth using essential vitamins, minerals, biotin and antioxidants for overall beauty and cellular repair
• How to use: Take one tablet with water each day after you eat. This will help you obtain the essential nutrients needed for healthy hair, glowing skin, and stronger nails.

Vitazem Multivitamin Capsule

Vitazem Multivitamin Capsule

Zeelab Vitazem Multivitamin Capsules are designed to support your overall health and well-being. They contain essential vitamins and minerals that help your body function properly. This supplement is ideal for individual seeking to boost their energy levels, improve immunity, and reduce fatigue. 

• Composition: Lecithin (10 mg) + Lysine (5 mg) + Arginine (30 mg) + Glutamic Acid (20 mg) + Vitamin A (600 mcg) + Beta Carotene (2 mg) + Vitamin B1 (1.2 mg) + Vitamin B2 (1.4 mg) + Vitamin B6 (2 mg) + Vitamin B12 (0.001 mg) + Vitamin C (40 mg) + Vitamin D3 (0.005 mg) + Vitamin E (10 mg) + Biotin (0.04 mg) + Lycopene (0.5 mg) + Folic Acid (0.1 mg) + Niacin (18 mg) + Pantothenic Acid (4.5 mg) + Calcium (50 mg) + Phosphorus (40 mg) + Chromium (0.033 mg) + Copper (1.35 mg) + Iodine (0.15 mg) + Iron (10 mg) + Magnesium (50 mg) + Manganese (2 mg) + Molybdenum (0.025 mg) + Potassium (2 mg) + Selenium (0.04 mg)
• What it does: This product provides you with the essential vitamins and minerals you need for more energy, a stronger immune system, and a faster metabolism. It replenishes any missing nutrients in your daily diet, which helps your overall health
• How to use: Take one tablet with water daily after meals. It is best to take it at approximately the same time every day, or as recommended by your doctor

Densihair Softgel Capsule For Women

Densihair Softgel Capsule For Women

Densihair Softgel Capsule for Women is a nutritional supplement designed to promote healthy hair growth and improve hair density. Enriched with essential vitamins, minerals, amino acids, isoflavones, and grape seed extract, it works to support the overall health of your hair, preventing thinning and promoting strength.  

• Composition: Vitamin C (40 mg) + Vitamin B3 (12 mg) + Vitamin E (5 mg) + Vitamin B5 (5 mg) + Folic Acid (100 mcg) + Biotin (30 mcg) + Calcium (100 mg) + Magnesium (50 mg) + Iron (14 mg) + Zinc (10 mg) + Manganese (4 mg) + Copper (1.35 mg) + Selenium (40 mcg) + L-Glutamic Acid (61.8 mg) + DL-Methionine (40 mg) + L-Aspartic Acid (36.2 mg) + L-Leucine (23.8 mg) + L-Arginine (23.5 mg) + L-Lysine (19.6 mg) + L-Proline (16 mg) + L-Serine (16 mg) + L-Phenylalanine (16 mg) + L-Isoleucine (14.6 mg) + L-Valine (14 mg) + Glycine (12.8 mg) + L-Tyrosine (11.9 mg) + L-Alanine (11.9 mg) + L-Threonine (11.3 mg) + L-Histidine (7.7 mg) + L-Cysteine (3.9 mg) + L-Tryptophan (3.6 mg) + Soya Isoflavones (50 mg) + Grape Seed Extract (20 mg)
• What it does: Helps strengthen your hair from the roots down, reduces daily hair loss, and provides essential vitamins and minerals for your hair follicles to stay healthy and grow thick.
• How to use: Take one softgel with water daily after meals, maintain consistent use for visible improvement in hair strength, density and texture.

Zecobax Forte Tablet

Zecobax Forte Tablet

Zecobax FORTE Tablet is a WHO-GMP-Certified multivitamin and multimineral supplement designed to support overall wellness by filling nutritional gaps in the daily diet. It is used to improve energy levels, reduce tiredness, enhance immunity, and support healthy skin, hair, and bone strength through its blend of essential B-complex vitamins and minerals.  

• Composition: Riboflavin (4.5mg) + Niacinamide (45mg) + Thiamine Mono (5mg) + Pyridoxine Hydroch (3mg) + Cyanocobalamin (5mcg)
• What it does: This product helps make your hair strong and healthy. It provides your hair roots with goodies like vitamins, minerals, and biotin, which can help prevent hair loss and make each strand stronger and thicker.
• How to use: Take one tablet with water every day after meals. Continue this for at least three months to see a real difference in how your hair grows, how strong it is, and how thick it feels.

My12 Plus Tablet

My12 Plus Tablet

My12 Plus Tablet is a nutritional supplement that combines Mecobalamin, Folic Acid, Alpha Lipoic Acid, and essential vitamins like A, E, B1, B2, B6, Selenium, and Zinc. It is designed to support nerve health, boost energy, and improve overall well-being. 

• Composition: Mecobalamin (0.75 mg) + Folic Acid (0.1 mg) + Alpha Lipoic Acid (100 mg) + Vitamin A (2500 IU) + Vitamin E (7.5 IU) + Vitamin B1 (1 mg) + Vitamin B2 (1.5 mg) + Vitamin B6 (1 mg) + Selenium (0.03 mg) + Biotin (0.03 mg) + Zinc (15 mg)
• What it does: My12 Plus Tablet can help keep your nerves healthy, give you more energy, lessen tiredness, and ease symptoms from not having enough vitamin B12, so you feel better overall
• How to use: Take one tablet daily with water, after eating, or follow your doctor's advice to keep your B12 levels at normal levels

Travocal K2 Calcium Supplement Softgel Capsule

Travocal K2 Calcium Supplement Softgel Capsule

Travocal K2 Capsule is a supplement helpful in the effective treatment of nutritional deficiencies. This medicine is effective in raising the calcium levels in your blood by helping you absorb more calcium from food.  

• Composition: Calcium (500 mg) + Omega-3 (250 mg) + Boron (1.5 mg) + Vitamin B12 (750 mcg) + Folic Acid (400 mcg) + Vitamin K2-7 (45 mcg) + Vitamin D3 (0.25 mcg) + Zinc (2.73 mg) + Manganese (1.5 mg)
• What it does: This calcium supplement with vitamin K2 is great for strengthening your bones, helping your joints, and keeping your skeleton in good shape so you can move around more easily as you age.
• How to use: Take one softgel with water every day after meals. It helps your body absorb calcium, which supports strong bones and keeps your minerals balanced for healthy joints and bones.

Zecobax Z Multivitamin Capsule

Zecobax Z Multivitamin Capsule

Zecobax Z Multivitamin Capsule helps to effectively improve immune function, treat mouth ulcers and sore throat, and help maintain healthy skin and hair. This medicine also helps boost your energy level and fight fatigue. Zecobax-Z Multivitamin Capsule is efficient in the enhancement of overall health and well-being by playing an important role in repairing tissues and improving metabolism. 

• Compositon: Lysine (50 mg) + Vitamin B1 (1.4 mg) + Vitamin B2 (1.6 mg) + Vitamin B6 (2 mg) + Vitamin B12 (0.001 mg) + Vitamin C (25 mg) + Folic Acid (0.1 mg) + Niacin (18 mg) + Pantothenic Acid (5 mg) + Copper (1.7 mg) + Selenium (0.04 mg) + Zinc (17 mg)
• What it does: This product gives you a daily boost of energy and supports your immune system and general well-being. It's packed with the important vitamins, minerals, and antioxidants your body needs for things like metabolism, thinking, and cell function
• How to use: Just take one capsule with water after meals every day. Doing this regularly will help keep your nutrients balanced and support your energy levels, immune system and day-to-day health.

Can You Take Biotin and Keratin Together?

Yes, biotin and keratin can be used together, and in fact, they work best as a combination. Biotin supports hair growth from the inside by nourishing hair follicles and boosting natural keratin production, while keratin repairs and protects the hair from the outside by reducing frizz, breakage, and damage.

Combined benefits

• Promotes faster and healthier hair growth
• Strengthens hair roots and improves thickness
• Repairs damaged strands and smoothens frizz
• Reduces hair fall while improving shine and manageability

Best routine for Indian hair

For best results, take a biotin supplement daily after meals to support internal hair growth. Alongside this, use keratin-based shampoos, conditioners, or masks 1–2 times a week to protect hair from pollution, heat styling, and hard water damage—common issues in Indian climates. Staying consistent for at least 8–12 weeks delivers visible improvement.

Who gets the best results

• People with hair thinning, hair fall, or nutrient deficiencies
• Individuals with frizzy, dry, or chemically treated hair
• Men and women facing stress-related or post-illness hair loss
• Anyone looking for both hair growth and a smooth, healthy texture

Conclusion

Biotin and keratin are both essential for maintaining strong, healthy, and beautiful hair, but they do different things. Biotin helps your inner hair grow, strengthens the roots and reduces hair fall. Keratin works externally, taming frizz and repairing damage. 

Deciding which of these to use depends on what your hair needs; however, using both is the best approach in the long run.

If you want to see your hair grow back, get thicker, shed less, and feel smoother, you can improve your routine with Zeelab’s biotin supplements and biotin plus keratin combos. They're a good and affordable option made specifically for Indian hair.

Frequently Asked Questions

Q. Is biotin better than keratin for hair growth?
A. Biotin helps hair grow from the inside, and keratin repairs external damage. If you want your hair to grow, biotin is the solution.

Q. Can keratin regrow hair?
A. No, keratin cannot grow your hair back. It softens and repairs your existing hair.

Q. Does biotin increase keratin levels?
A. Yes, biotin helps your body make keratin by making the enzymes in your hair follicles work better.

Q. How long does biotin take to work?
A. Most people find that things get better within a month or three. It depends on your hair, how you eat and how you live.

Q. Is keratin good for frizzy hair?
A. Keratin is great for hair that is curly, rough or has gone through a lot of chemical treatments because it repairs the outer layer.

Q. Can biotin and keratin be used together?
A. Yes, doing both strengthens your roots and softens your hair, so you get the best results.

Q. Is biotin safe for daily use?
A. Yes, biotin dissolves in water and is safe if you do not take too much.

Q. Who should avoid keratin treatments?
If your hair is thin, weak, or easily affected by chemicals, you may want to skip the keratin treatment. Heat can mess it up.

Q. Can teenagers use biotin supplements?
A. Teens can use biotin under guidance, especially for deficiency-related thinness, while ensuring safe and appropriate dosage recommendations are followed.

Q. Is biotin suitable for men and women?
A. Yes, biotin can help both men and women get stronger hair, especially if they are experiencing thinning, thinning hair due to stress or nutrient deficiencies that are harming hair growth.