Hair vitamins: which ones matter and how to include them in your routine

Hair vitamins: what they are and why they matter

Hair vitamins are the micronutrients your body needs to maintain normal hair. The most relevant are biotin, zinc and selenium, together with other B vitamins, vitamin C, vitamin D, vitamin E and iron.

Like your skin and nails, your hair largely reflects how you are doing on the inside. An unbalanced diet, stress, hormonal changes or age can make it feel finer, duller or less full. That is why it makes sense to know which nutrients are involved and how to make sure you are not missing them, without expecting effects they cannot deliver.

Which vitamins your hair needs and what each one does

Each vitamin has a different role in the body. These are the ones most closely linked to hair care, and what can actually be said about them:

• Biotin (vitamin B7): contributes to the maintenance of normal hair and skin. It is the vitamin most associated with hair.
• Other B vitamins (B5, B6, B12, folic acid): are involved in energy metabolism, red blood cell formation and the process of cell division.
• Vitamin A: contributes to the maintenance of normal skin, which includes the scalp.
• Vitamin C: contributes to normal collagen formation for the normal function of skin and increases iron absorption.
• Vitamin D: contributes to the normal function of the immune system and the maintenance of normal bones.
• Vitamin E: contributes to the protection of cells from oxidative stress.

If you want to learn more about this particular group, read our guide to B vitamins for hair.

The role of minerals: zinc, selenium and iron

Besides vitamins, some minerals are just as important for your hair. Zinc and selenium contribute to the maintenance of normal hair, and iron contributes to normal oxygen transport in the body.

A lack of iron or zinc can show up as weaker hair, which is why a professional will often order a blood test when someone notices changes in their hair. Copper, for its part, contributes to normal hair pigmentation.

If you would like to know exactly what each nutrient in the most common hair supplements does, we explain it in biotin, zinc and saw palmetto: what each nutrient does for your hair.

How to get these vitamins from your diet

A varied diet is always the foundation. Eggs, pulses, nuts, fish, meat, wholegrains, fruit and vegetables provide most of the nutrients your hair needs.

• Biotin: eggs (especially the yolk), nuts, pulses.
• Zinc: meat, shellfish, pumpkin seeds, pulses.
• Selenium: Brazil nuts, fish, eggs.
• Iron: red meat, pulses, spinach (ideally together with vitamin C).
• Vitamin C: citrus fruit, kiwi, peppers, strawberries.

A balanced diet, together with good sleep and proper hydration, is the first step before you consider any supplement.

When a food supplement makes sense

A food supplement can be useful when your diet does not cover all your needs or when you want to ensure a regular intake of biotin, zinc and selenium. It is no substitute for a varied, balanced diet and a healthy lifestyle.

At HairFluencer you will find options with different formulas. Xpecia Hombre combines biotin, zinc, folic acid, vitamin B5, L-cystine and plant extracts such as saw palmetto; Xpecia Mujer adds iron to a formula designed for women; and the Evocapil Plus nutritional complex includes zinc, selenium, biotin and other B vitamins. In all of them, biotin and zinc contribute to the maintenance of normal hair.

Always stick to the recommended daily dose and read each product's warnings, especially if you are pregnant, breastfeeding or taking medication.

Habits that help you care for your hair

Vitamins work best as part of a complete care routine. These simple habits make a difference to how your hair looks:

1. Eat a varied diet rich in fruit, vegetables and protein.
2. Avoid excessive heat (hairdryer, straighteners) and harsh chemical treatments.
3. Massage your scalp with your fingertips when you wash your hair.
4. Get enough sleep and find ways to manage stress.
5. Be consistent: hair grows slowly and any change in routine takes several months to show in how it looks.

When to see a dermatologist

If you notice intense or sudden hair loss, loss in specific areas, or hair loss with itching, pain or flaking, see a dermatologist or doctor. Vitamins are no substitute for a professional diagnosis.

A specialist can assess whether there is a nutritional deficiency, a hormonal issue or another cause, and guide you on the right next steps for you. Taking supplements on your own without knowing what is going on can delay that diagnosis.

Frequently asked questions about hair vitamins

Which vitamin is the most important for hair?

Biotin, or vitamin B7, is the one most associated with hair, because it contributes to the maintenance of normal hair. But it does not work alone: zinc and selenium carry the same authorised claim, and iron, B vitamins and vitamin C are also involved in important functions in the body.

Do hair vitamins stop hair loss?

No. No vitamin stops hair loss. Biotin, zinc and selenium contribute to the maintenance of normal hair, which is not the same as treating hair loss. If you are losing a lot of hair suddenly or in specific areas, the right thing to do is to see a dermatologist or doctor.

Can I get all the hair vitamins I need from my diet?

In most cases, yes. A varied diet with eggs, pulses, nuts, fish, meat, fruit and vegetables provides biotin, zinc, selenium, iron and B vitamins. A food supplement can be useful when your diet does not cover your needs, but it never replaces a balanced diet.

How long do you need to take vitamins to see changes in your hair?

Hair grows slowly, so any change in your routine needs several months of consistency before it shows in how your hair looks. Always follow the product's recommended daily dose, combine it with a balanced diet and good habits, and see a professional if you notice no improvement or have doubts.

What is the difference between Xpecia Hombre and Xpecia Mujer?

Both are food supplements with biotin, zinc, folic acid, vitamin B5, L-cystine and plant extracts. Xpecia Hombre is formulated with men's hair in mind, while Xpecia Mujer also contains iron, which contributes to normal oxygen transport in the body. In both, biotin and zinc contribute to the maintenance of normal hair.